? replacing the timing belt? VAZ 2110 8 valves do it yourself

When does a timing belt need to be replaced?

Sometimes, at the same time as replacing the belt, it may be necessary to replace the cooling pump. when signs of malfunction appear or in the following cases:

The timing belt is very old (more than 5 years, even if it has not been used).
Cracks, abrasions and “fluffing”.
Destruction of belt teeth.
Depressurization and leaks in the timing case (oil and coolant destroy the rubber base of the belt).
If the belt is worn out, the engine may start and run unsteadily.
Belt wear can cause an ignition failure, after which the engine begins to knock and run noisily, and black smoke begins to come out of the exhaust pipe.

Timing belt damage analysis

1. When the timing belt is slightly damaged or completely torn and the cord is frayed, then most likely the reason for this is overtension.

2. When one of the teeth is missing, this is a sign of weak belt tension.

3. Lack or high wear of teeth on the belt, in turn, indicates incorrect tension.

4. A cracked timing belt indicates severe overheating or hypothermia.

5. When wear is noticeable between the teeth, the belt is most likely not tensioned correctly. (weak or strong).

It is possible that if the belt is loosely tensioned, the belt will jump over a tooth; in this case, “CHECK” lights up and immediately goes out. This is what the camshaft position sensor signals.

6. An oily timing belt indicates that oil is leaking from the engine somewhere. In this case, you need to replace the belt and look for leaks.

7. Noticeable end wear indicates angular or parallel misalignment of the belt.

8. Increased noise indicates excessive or insufficient belt tension. This problem should be corrected immediately to avoid cutting teeth or breaking the belt.

Signs of wear

The timing belt drive synchronizes the operation of the power unit. This is a very important function. The gas distribution mechanism ensures that the camshaft rotates at a speed lower than the crankshaft. And the main purpose of the timing belt is to release gases through the valves. But when the belt definitely needs to be replaced:

the belt teeth are worn out;
the structure has delaminated;
the ends are torn;
We have already talked about the presence of oil on the surface.

Wait, there are so many manufacturers here. So which timing belt is best?

Yes, there are many companies that produce the necessary materials for replacing the timing belt. They are usually divided into “original” and “analogues” - in the first case, the supplier is the car manufacturer, and in the second - third-party companies that specialize in the production of spare parts.

If you dig a little deeper, you will find out that the original belts, rollers or other parts are made by the same third-party manufacturers, only the packaging and markings are different. These are the so-called OEM suppliers - reliable companies with a good reputation that have entered into an agreement with the car manufacturer.

Among the manufacturers of timing belts and rollers, the following companies have proven themselves well: Gates, Contitech, Dayco, Bosch, INA. There are other, cheaper options that expand the price/quality range. But, as we have already found out, the timing belt is not a part you should skimp on.

Procedure for replacing the timing belt

Raise the hood and disconnect the battery terminal “to minus” (the key in the ignition switch must be “off”) so that the brake lights do not light up in vain and “just in case”. Important! Before removing the terminal from the battery and turning off the power to the car, you must study the “Operation and Repair Manual” of the car

In some cars, it is impossible to disconnect the terminal from the battery (!), since adaptations in the electronic control system will be reset. In this case, you need to work with a car that is not de-energized more carefully. To ensure free access to the necessary mechanisms, you will need to remove the wheel, engine cover, protection, and generator belt. Depending on the make of the car and engine modification, work may require removing the power steering fluid reservoir or adsorber, or the air conditioner bracket, intercooler with terminals, air intake (or something else). Using a hexagon, unscrew the screws securing the belt and gear guard. If there is a crankshaft position sensor (CPS), disconnect the connector with wires from it. Unscrew the bolt and remove the timing belt tensioning roller

Also remove the support (guide) roller, if there is one. Remove the old timing belt. Check the position of the mark on one camshaft gear (on an 8-valve engine) or on two gears on two camshafts (on a 16-valve engine) in relation to the marks on the timing case. If the marks do not coincide, to set them in the desired position (against each other), you need to turn the camshaft with a wrench using the bolt securing the gear to the camshaft. To check the alignment of the mark on the crankshaft gear with the mark on the oil pump housing, unscrew and pull out the crankshaft toothed pulley with a special washer. If the pulley bolt does not unscrew, then you can rest the handle of the L-shaped key against the rod, put on the negative terminal of the battery (if it has been removed) and turn it with the starter. After unscrewing the bolt, remove the terminal back. You can also use a pneumatic impact wrench or have an assistant engage the highest gear and apply the brake while you unscrew the bolt. If the gear mark is set incorrectly, then screw the fastening bolt into place and turn the gear by this bolt with a wrench until the mark on the crankshaft gear is correctly aligned with the mark on the oil pump housing. Install the support (guide) roller, if equipped. First place the new timing belt on the crankshaft gear, on the support roller, then on the camshaft gear (or two gears, if there are two camshafts) and then on the pump gear. In this case, you need to control the position of the marks on one or two camshaft gears. If the marks are lost, they must be set correctly immediately. Install the tension roller and tighten it loosely, without tightly tightening the bolt until it stops. Check the evenness of the belt pad. Then tighten the belt using a special key for the tension roller, turning the roller counterclockwise (or in the direction of the arrows on the roller body). Next, holding the roller with a special key in the desired position, fix the position of the roller by tightening the fastening bolt until it stops, with a little force. You can check the belt tension with one hand by turning the belt lengthwise with your fingers. A well-tensioned belt should not turn more than 90°. At the final stage, reinstall and secure all dismantled elements in the reverse order.

After completing all the work, you need to start the engine and check the work by ear.

Belt tension on 16-valve VAZ engines

Tensioning the timing belt on Priora and other cars equipped with 16-valve engines is generally done in the same way.

However, there are slight differences. Thus, the gas distribution mechanism cover of these engines is mounted on 6, and not on 3 bolts, as in the previous case.

In addition, the timing belt on VAZ-2112 power units (16 valves) is tensioned using two rollers. One of them is movable, used for tension. The second one is the support one. » alt=»»> When tensioning the belt of a “Prior” motor or motor 2112, special care must be taken. After putting it on and tightening it, you must definitely try to crank the engine by hand.

If the crankshaft cannot be turned, you should once again check that the marks are installed correctly. On these engines, an error almost always leads to damage to the valves and piston group.

Causes of belt breakage

One of the common problems with the model is the failure of the timing belt. The reasons for this may be different:

Simple wear and tear caused by a long period of use of the vehicle;
Regular increased loads under which the engine has to work intensively;
Mechanical damage as a result of improper operation or received during the repair of other components;
Manufacturing defect.

Regardless of the causes of the problem, it must be eliminated.

Over time, it stretches so much that the gear teeth jump by 1-2 links. This disrupts the valve timing and causes interruptions in engine operation. But this is the best-case scenario for such a situation. The worst is when the strap breaks and the valves bend.

What is timing belt?

Timing mechanism diagram

The gas distribution mechanism is a mechanism in which the valve timing of the power unit is controlled. For normal engine performance, there are special marks by which the timing belt must be set.

Some are on the block, while others are on the pulleys. When the cylinder is in the first upper position, all these marks must coincide.

The timing marks are misaligned if the drive toothed belt is broken or if it is replaced incorrectly. So, in these cases, the engine will not work correctly and the marks will need to be re-set. Doing this is quite problematic and not everyone can do it.

Timing belt VAZ 2114 8 valves: functions, location and signs of malfunctions

So, the belt is under a protective cover on the crankshaft pulley side. The belt itself is a ring structure, made of reinforced rubber, and has an internal tooth structure so that the teeth on the crankshaft pulley and timing gear can engage with the belt.

Engaging with the crankshaft and camshaft with its toothed side, the belt ensures synchronous rotation of the shafts, and with its smooth side it drives the water pump shaft of the internal combustion engine cooling system. The required timing belt tension is maintained by a tension roller.

If the timing belt is torn or has become dislodged/flipped off or jumped, the vehicle’s internal combustion engine stalls or operates extremely unstably. Possible signs of timing belt failure:

the engine stalls;
the car does not start;
“phase sensor error” lights up - failure of the timing belt (displacement or slippage of the belt).

It is important to understand that, subject to constant wear and various loads (including temperature), the timing belt 2114 may fail ahead of schedule

For this reason, it is important to pay attention to signs of problems with this element. For example, the timing belt on a VAZ 2114 “chews”. There may be several reasons why the timing belt is chewing.

This is either mechanical damage to the teeth of the crankshaft or pulley, sagging belt, displacement of the axes of the pump roller and tension roller, etc.

There may be several reasons why the timing belt is chewing. This is either mechanical damage to the teeth of the crankshaft or pulley, sagging belt, displacement of the axes of the pump roller and tension roller, etc.

For example, the timing belt on a VAZ 2114 “chews”. There may be several reasons why the timing belt is chewing. This is either mechanical damage to the teeth of the crankshaft or pulley, sagging of the belt, displacement of the axes of the pump roller and tension roller, etc.

Another such reason may be the belt slipping or moving to the side relative to its working position. This can lead to damage to the timing belt structure (contact with metal parts, abrasion on the edge of the tension roller) and, accordingly, disruption of the car engine.

The main reasons for belt displacement can be:

manufacturing defect of the product (different rigidity across the width);
failure of the water pump bearings (play, lack of lubrication, poor cleaning of the seat);
deformation of the tension roller mounting pin (improper tightening or errors when replacing elements).

When to tension the timing belt

The timing belt of the VAZ-2112 and other VAZ models is tensioned in the following cases:

Installing a new belt;
Loose belt;
“Slipping” of the belt with a violation of the timing adjustment;
Replacement of the tension roller and other timing drive mechanisms.

If the cause of the intervention is a broken or “slipping” belt, you must first ensure the integrity of the valves. A broken gas distribution mechanism (drive) leads to engine damage on 16-valve 1.5-liter power units. However, in cases of drive failure at high speeds, valves and CPGs are also destroyed on other engines.

They check the operation of the timing belt on the VAZ-2114 and other models equipped with 8-valve units by turning the camshaft manually. A working mechanism should turn with some effort. A faulty one, as a rule, cannot be affected.

During the procedure, it is necessary to check the compression in each of the cylinders. The easiest way to do this is to tightly cover the spark plug hole with paper. If there is pressure in the cylinder, the plug is knocked out of its seat at a certain stage of camshaft rotation. » alt=»»> A similar check on 16-valve engines is not recommended. The risk of damage to an initially good valve mechanism is too great. There are no grooves in the pistons of one and a half liter engines of this type. Therefore, valves that move down bend when they contact the piston surface.

Replacing the timing chain

It remains to note such a point as replacing the timing chain. We can say right away: it is absolutely no different from the belt replacement algorithm. The main difficulty is the preparatory operations, with the help of which you can get to the desired part. On average, this takes several hours, while direct replacement takes a few minutes.

So, it is quite possible to cope with replacing the timing belt yourself. Of course, this procedure is not quick, but it is quite accessible even to beginners.

The main thing is to stock up on the appropriate tools, as well as a user manual for the car. Some things are unique to a particular model.

For example, how to properly tension the timing belt is written there. Remember that if you do something once, it will be much easier the next time.

Step-by-step instructions for replacing the timing belt

Unscrew the two bolts from the side of the timing belt protective cover. Key for 10.

And one in front, remove the cover. Key for 10.

Remove the generator drive belt. Loosen the locking nut, set the wrench to 13 and unscrew the tension bolt, set the wrench to 10. Move the generator towards the cylinder block.

Alternator belt tensioning mechanism.

If you cannot move the generator, you need to loosen the fastening nut from below. The key is 17.

Generator mounting.

Set the top dead center

Use the crankshaft pulley bolt to turn it clockwise.

We ensure that the mark on the camshaft toothed pulley (hereinafter referred to as simply an asterisk) matches the mark on the metal casing.

Camshaft mark.

The mark on the crankshaft sprocket should also coincide with the low tide on the oil pump.

Crankshaft mark.

We unscrew the crankshaft pulley bolt, having previously locked the crankshaft. We block the rear wheels, engage fifth gear and insert a screwdriver into the ventilation hole of the brake disc below the caliper. 17mm head with extension and pipe as a lever.
Unscrew the nut securing the tension roller and remove it along with the old timing belt.

Fastening the tension roller.

Replacing the pump

Unscrew the bolt securing the camshaft sprocket and remove it. The key or head is 17.

Fastening the camshaft sprocket.

Remove the timing belt protective cover. We unscrew the nut and bolt by 10, as well as the three bolts securing the water pump. Head for 10.

Fastening the timing case.

Removing the pump

Lubricate the pump gasket with a thin layer of sealant and install the pump in place. We install the protective casing and tighten all the bolts evenly.

Pump mount.

Belt tension

Tension plays an important role in the proper operation of the engine and reduces the effect of wear on its condition. It’s worth knowing when to stop – too much or too little tension leads to interruptions and rapid damage. Let's carry out this setup step by step:

Turn the crankshaft counterclockwise by two camshaft teeth to tighten the belt. Check the tension. If everything is done correctly, then it will turn at a right angle between the pulleys, with a slight force of the fingers. Otherwise, loosen the fastening nut and turn the roller counterclockwise 10 degrees to loosen the tension. Adjust until tension is set to medium. Remember not to turn the crankshaft by the camshaft pulley to avoid engine damage.

Replacing the timing belt of the Lada Priora engine

According to the maintenance regulations, the condition of the timing belt should be checked after 105 thousand km, and the belt replaced after 200 thousand km.

It is necessary to take into account that failure of the timing belt (breakage or shearing of teeth) can lead to valves sticking into the pistons due to mismatch of the rotation angles of the crankshaft and camshafts and, as a result, to expensive engine repairs. Therefore, we recommend checking the condition of the belt more often - every 45 thousand km.

The surface of the toothed part of the belt should not have folds, cracks, undercuts of teeth and separation of fabric from rubber. The reverse side of the belt should not have wear, exposing the cord threads, or signs of burning.

There should be no delamination or fraying on the end surfaces of the belt. The belt also needs to be replaced if traces of oil are found on it (before replacing the belt, the cause of its oiling should be eliminated) or when replacing a failed tensioner/support roller of the timing drive and coolant pump.

Use a 5mm hex to unscrew the five screws securing the front upper timing cover...

...and remove it. Remove the right mudguard of the engine compartment (see.

Using the “17” head, turn the crankshaft clockwise by the bolt securing the generator drive pulley... ...and inspect the belt for damage.

To replace the belt...

...using a 5mm hexagon, unscrew the two screws securing the front lower timing cover...

...and remove the cover. Remove the generator drive belt (see.

...until the marks on the camshaft toothed pulleys align with the marks on the rear timing cover. To check the position of the crankshaft...

…we remove the rubber plug in the upper part of the clutch housing (for clarity, the cooling system hose and the wire blocks from the coolant temperature gauge sensor and the ECM coolant temperature sensor are disconnected)…

...and make sure that the mark on the flywheel 1 is located opposite the slot 2 of the upper cover of the clutch housing. In order not to disturb the valve timing when unscrewing the bolt securing the generator drive pulley, an assistant fixes the flywheel by inserting a large slotted screwdriver through the hole in the clutch housing between the flywheel teeth.

Having unscrewed the bolt securing the generator drive pulley...

...remove the pulley...

...and its support washer.

Using a spanner wrench or a 15mm socket, loosen the bolt securing the belt tension roller. At the same time, the tension roller will rotate and the belt tension will weaken.

Remove the belt from the camshaft pulleys of the tension and support rollers. After removing the belt from the coolant pump and crankshaft pulleys, remove the belt from the engine compartment.

After removing the timing belt, the crankshaft and camshafts must not be turned at large angles to avoid the valves sticking into the pistons. When replacing the timing belt, we also change the tensioner and support rollers of the belt. Unscrew the bolt securing the tension roller and remove the roller.

Using a 15mm spanner, unscrew the bolt securing the support roller... ...and remove the roller assembly with the bolt and thrust washer.

The roller thrust washer has cores that prevent the washer from being removed from the bolt. Before installing the new support and tension rollers, apply thread sealant to the threaded part of the bolts that secure them. We do not completely tighten the tension roller bolt.

Before installing the belt, make sure that the alignment marks of the crankshaft and camshafts are aligned.

With the generator drive pulley removed, it is convenient to control the position of the crankshaft...

...by aligning mark 1 on the crankshaft toothed pulley with mark 2 (rib) on the oil pump cover. We put the timing belt on the crankshaft pulley. While tensioning both branches of the belt, we place the front branch behind the support roller, and the rear branch, putting it on the coolant pump pulley, behind the tension roller. Then we put the belt on the camshaft pulleys. To tension the belt...

...insert the tips of the pliers to remove the retaining rings into the grooves of the outer race of the tension roller.

We tighten the belt by turning the tension roller counterclockwise with pliers...

...until cutout 1 of the outer race of the roller aligns with the rectangular protrusion 2 of its inner sleeve... ...and tighten the roller mounting bolt with a wrench.

Having installed the generator drive pulley, turn the crankshaft by the pulley mounting bolt two turns clockwise.

We check the alignment of the installation marks on the crankshaft and camshafts, as well as the alignment of the cutout with the protrusion on the tension roller.

Otherwise, we repeat the operations of installing and tensioning the timing belt.

TDC marks VAZ 2110 2114 8 valves

The TDC marks are located on the camshaft timing belt pulley (lug) and on the rear camshaft drive belt cover (tendril).

In addition, the marks are located on the flywheel (risk) and on the scale of the rear shield of the clutch housing (triangular cutout). For clarity, the gearbox has been removed.

Additionally, marks are located on the crankshaft timing pulley (dot) and the oil pump cover (triangular cutout). These marks are visible only when the generator drive pulley is removed.

You will need: a socket wrench “17”, a socket wrench “10”. 1. Disconnect the wire from the “–” terminal of the battery.

2. Set the gear shift lever to neutral and place chocks under the car wheels.

3. Remove the right front wheel and the right mudguard of the engine compartment.

4. Open the hood and remove the three screws securing the front camshaft drive belt cover. Please note: the screws on the side fastening of the cover also secure the wire holders. Remove the front cover.

5. Rotate the crankshaft by the bolt securing the generator drive pulley to it until the marks on the camshaft pulley and the rear cover coincide.

6. Remove the plug from the hole in the clutch housing and check the alignment of the marks on the flywheel.

Help in choosing a timing belt and rollers

The reliability, efficiency and operating life of the motor depend on the quality of the rollers and belts chosen for replacement.

Research shows that the cost of a belt is from 450 rubles, and rollers will cost you at least 600 rubles.

When buying spare parts, be guided by the opinions of VAZ 2110 car owners. There are many forums. Also consult with specialists at the service station. They will be able to give professional advice, or even order quality components for you.

Surveys among owners of AvtoVAZ’s creation, namely the VAZ 2110, showed that the most popular belts are products manufactured by the following companies:

Gates;
Bosch;
Kraft;
Power Grip;
Dayco;
Contitech.

As for videos, it’s better to pay attention to the following brands:

Gates;
Power Grip;
VPZ;
BRT;
Dayco;
Marel.

Of course, the choice is purely individual and depends on the financial capabilities and available assortment of a particular store. But if the necessary elements are not available in your city, you can always order them online. Nowadays this is not a problem.

Purpose of the crankshaft pulley

The crankshaft pulley on the VAZ 2110 serves the following purposes:

Reducing the amplitude of crankshaft vibrations during resonance. In particular, for this purpose, some craftsmen install a lightweight version of the crankshaft.
Reducing noise from the operation of the power unit.
Rotation of mechanisms that are directly involved in the operation of the motor. This happens with the help of gears and a belt.
The damper, in turn, addresses pulses corresponding to the number of crankshaft revolutions to the ECU.

Crankshaft damper pulley VAZ 2110

The VAZ 2110 car has a crankshaft damper pulley. The pulley itself transmits torque to additional units. The part is a flat ribbed wheel with a special hole for installing a belt. To improve performance, automakers equipped the pulley with a damper. Damper - a rubber layer to dampen vibrations that occur in cars. However, with this innovation, the life of the pulley has been reduced because the damper loses elasticity due to excessive loads. Sometimes the pulley breaks completely, which is why the VAZ 2110 stops moving.

Possible faults

The crankshaft pulley is removed in the following cases:

In the case of a VAZ 2110 hub turning. In most cases, this occurs due to careless repairs. The VAZ 2110 car is equipped with a special fixing sleeve, which is pressed into the gear. If installed incorrectly, it may fall out, which will cause the hub to rotate.
In case of lubricant leakage from under the crankshaft oil seal. It needs to be removed and replaced with a new one.
New oil seal
In case of strong resonance.
Incorrect pulley type installations.
Incorrect damper installation.
A split in the place where the damper is installed. In this case, replacement is necessary, and better yet, together with the crankshaft gear.
When removing the crankshaft - for repair work, changing bearings, etc.

Features of model 2110

The features of this model include the following:

Availability of ventilated brake discs.
Galvanization of parts that most often rusted in older models.
On-board control system.

The gas distribution mechanism on the VAZ 2110 suffers from frequent breakdowns, or more precisely, from damage and ruptures of the timing belt, which is a closed rubber ring, the dimensions of which vary in different engines. It is possible to replace it without any particular difficulties; if you have time, you can figure out this procedure yourself, saving on repairs in the workshop.

And also, its damage may indicate problems with the gas distribution system, which are worth investigating. Let's look at how to replace a belt and analyze damage to the timing belt.

About the engine

The engine performance of the 2110 is quite good for the time it was produced.

On 2110 cars, a variety of engines were installed, both carburetor and injection, with 8 valves (VAZ 2111, 21114) and with 16 valves (VAZ 21120, 21124).

List of VAZ 2110 engines:

According to the standard, the VAZ 2110 was equipped with an 8-valve engine, in variations numbered 21114 and 2111, which differed in minor characteristics. The 8-valve engine, marked 21114, earned the greatest recognition due to its high power and relatively low fuel consumption.

The standard operating mileage for this engine is 250,000 km. When using high-quality oil poured into the engine, you can extend the life of the car by 20–30 thousand km.

Preparatory work

Before you start work, familiarize yourself with the timing system diagram and the location of the marks on the camshaft and crankshaft.

This is what a detailed timing belt diagram looks like.

Diagram: 1. Crankshaft pulley. 2. Timing belt. 3. Water pump pulley. 4. Tension roller. 5. Intake camshaft pulley. 6. Upper timing belt protective cover. 7. Exhaust camshaft pulley. 8. Phase sensor synchronization dial. 9. Support roller.

A – TDC mark on the crankshaft pulley. B – Mark on the oil pump cover. C – Installation mark on the protective cover. D – Mark on the exhaust camshaft pulley. E - Mark on the intake camshaft pulley. F - Installation mark on the protective cover.

Tools for work

To carry out all the work you will need:

New timing belt for the 16-valve VAZ-2112 engine.
Socket head for “10” and “17”.
The key is "17".
Screwdriver.
Tensioner pulley key.

Step-by-step replacement procedure

First of all, after opening the hood, remove the negative terminal from the battery.
Next, remove the timing belt protective cover by unscrewing 6 bolts using a “10” socket.
Remove the chip from the crankshaft sensor. Read more about all sensors on the VAZ-2112.
We unscrew one bolt that secures it and remove the sensor.
You will then see that the pulley is missing a number of teeth, this is to allow the sensor to detect TDC and also block it in order to unscrew the pulley.
Next, align this hole for the sensor with the pulley, and insert an object through the hole (a hex key with a “12” size works well - approx.).
When the pulley is blocked, we “tear off” this generator nut.
Then loosen the bolt on the tension pulley and remove the old timing belt. If necessary, we also shoot videos. Usually, along with replacing the belt, both the pump (water pump) and the rollers are replaced. We have already written in detail about checking the pump for play and about choosing a pump for a 16-valve engine.
You can install a new belt by removing the tension roller, or by turning the exhaust camshaft pulley (pulley on the right side - approx.) with a key to “17”.
We fix the crankshaft pulley bolt back and align the marks with the housing on the oil pump.
Next, make sure that the pulley marks on the camshafts align and that the drive gear does not go astray.
The next step is to tension the belt using a tension roller using a special wrench. However, if you don’t have one, you can use two nails and a screwdriver inserted between them.
We tighten the belt until you feel its elastic state between the two camshaft pulleys. Don't forget to tighten the tension roller nut.
Afterwards, we turn the crankshaft two full turns, if all the marks match and remain in place, then the work on replacing the timing belt can be considered complete.
We tighten all the nuts until they stop, put the crankshaft sensor in place, connect the power supply to it and put the protective cover in place.

If all work is carried out in such a strict order, the entire replacement can be done with your own hands within an hour.

Belt tension on 8-valve VAZ engines

Before tightening the timing belt on the VAZ, the following preparatory work should be performed:

Hang up and remove the right front wheel;
Unscrew the 3 bolts securing the front timing cover;
Remove the cover;
Use a 17 key to loosen the tension roller.

After this, you should check the drive marks. One of them, located on the crankshaft pulley, must coincide with the installation tab of the rear cover. At the same time, check the mark on the flywheel. It should be flush with the alignment mark on the block boss.

IMPORTANT! In reality, it is not always possible to achieve an exact match of marks. Therefore, the mechanism is adjusted with an error of +/- 1-2 mm. This does not have a noticeable effect on the driving performance of the car.

If the marks match, the question of how to tighten the timing belt can be considered resolved. Without removing the belt, it is necessary to move the weakened tension roller to the right so that the necessary tension occurs. After this, the roller is tightened tightly. To adjust the roller, a special “horned” key is used. If it is not available, you can use two Phillips screwdrivers, which are inserted into special holes on the roller.

If the marks do not match, the timing belt on the VAZ-2109 must be removed from the pulleys. After this, the pulleys themselves are individually set according to the marks. It is better to start reinstalling the belt from the rear branch. After installing it, the roller is tightened.

IMPORTANT! When installing the timing belt on a VAZ-2114 and other front-wheel drive models, the pulleys located according to the marks can shift by 1-2 teeth. If this happens, the marks should be set with an error to the left, which allows you to compensate for the offset. After installing the belt, the pulleys themselves will move into the required position.

It is necessary to finish tensioning and fixing the belt, and then manually turn the engine 2-3 turns by the crankshaft pulley. To do this, it is convenient to use a “19” head with an extension. The gearbox must be in neutral. If after turning the marks have not moved relative to each other, the procedure can be considered completed. Assembly is carried out in reverse order. » alt=»»> The question of how to check the consistency of the tension should be answered. To do this, hold the strap between your thumb and index finger and turn it 90°. The technician must be able to do this, otherwise the belt is considered over-tensioned.

Honda GC 135 engine analysis

We directly disconnect the engine from the unit (remove the pulleys, starter flywheel, frame, etc.), we get the following:

We unscrew the cover bolts, pry the cover evenly around the perimeter (it sits on the sealant) and remove it, we get the following:

We remove the magneto and flywheel (lock the shaft, unscrew the nut and knock it off the cone by tapping). Don't forget about the keys, don't lose them.

Next is the crankcase. The plane of connection between the crankcase and the head is at an angle. We unscrew it around the perimeter of the crankcase (there are many of them), pry it along the seam with a strong screwdriver (it sits on the sealant). The direction of removing the crankcase is along the crankshaft, and not along the plane; the guide tubes are visible there in the photo.

We gained access to the crankshaft, later we will unscrew the two bolts with the numbers 12.

In order to avoid problems later when assembling and installing the timing belt in the correct position, we will make notes on the pulley and crankshaft gear relative to the marks on the belt. We remove the belt, unscrew the bolts on the crankshaft, remove the piston (here you will have to play around, since it comes out at a certain position. Remove the crankshaft. We received the following picture from the cylinder side

And then we are engaged in examining the problems. In my case, it was a ring on the piston (there were no scuffs on the cylinder). I bought the rings in a Honda brand store (on Google) for 1000 rubles, since the search for a cheap equivalent did not yield anything. Well, since the oil spilled through the air filter, then I carefully cut out the paper of the old filter, bought a regular filter for Lada cars (I don’t remember exactly which model for 100 rubles, the width and thickness were the same), removed the parallon, cut it to the required length and secured it with sealant. By the way, a native filter for GC135 costs approximately 500-600 rubles.

We received a new filter. When assembling, we clean anything, remove old silicone, degrease, apply sealants where necessary, check for unnecessary parts. After assembly, the engine does not start on the first try, so do not be alarmed

Features of labeling

Before installing another timing belt, it is better to set the crankshaft and camshaft to the specified marks from the very beginning. We set the gears to 0 position. Points A, B, C, D, E, F must match as shown in the picture. After this, you need to set the marks on the camshafts and the belt casing in the same position.

To check the location of the crankshaft, remove the plug from the box, which is installed under the thermostat, and look for the flywheel. If the marks on the camshaft and the casing match, then there should be a match in the cut on the flywheel and on the metal casing.

All alignments must be clear, the marks must match for proper operation of the belt. After the mark is installed on the flywheel, it must be fixed in this position so as not to break off the thread. And then, as mentioned, you can begin to tension and adjust the timing belt.

Manufacturer's recommendations

Your primary task as a car owner is to periodically visually inspect the unit.
In addition to replacing the element, it is necessary to simultaneously replace the tension rollers.
VAZ 2110 comes with 8 and 16 valves. The replacement process also depends on this. So, in an 8-valve valve, one tension roller is installed, and in a 16-valve valve, a support and a tension roller are installed.

Replacing the timing belt of a dozen is not difficult. It is not necessary to contact specialists. It is quite possible to do it on your own.

Set of tools

To complete the job of replacing the timing belt you will need:

A set of spanners and open-end wrenches;
Mount;
Screwdriver Set;
A special key with which to tighten the roller or simple pliers with curved rings;
Car jack;
Rags, protective gloves.

Many people ignore the advice on using gloves. Especially in the summer when it's hot. But they are needed to protect you from injury.

There is no need for an inspection hole. You will need to remove the right wheel to remove the timing belt if your Ten is equipped with power steering. So you can't do without a jack.

Installing a new belt

Then the question arises: how to install a timing belt on a VAZ 2110 8 valves. The work is carried out in the opposite order.

Installing the timing belt VAZ 2110 8 valves consists of the following steps:

The tension roller is being fixed. Attention is immediately drawn to the location of the key holes. They are heading outside.
To install the VAZ 2110 8-valve timing belt, you need to put it on the crankshaft pulley. The same system includes a coolant pump and a tension roller. It is important to understand: how to tighten the timing belt on a VAZ 2110. A screwdriver is used to carry out this work. It must be installed between the pins that are screwed into the roller. The lever rotates the roller counterclockwise. The belt is then tensioned onto the pulley.
Then the tension roller nut and the generator pulley bolt are returned to their place.
Now the crankshaft rotates 2 turns clockwise. The crankshaft and camshaft marks are aligned. If the labels do not match, the entire operation is repeated.

Next you need to adjust the strap tension. The rotational movements of the crankshaft are carried out against the direction of movement clockwise. Normal tension is 1.5-2 kg. If there is no special device, then a manual method of checking is carried out. The free section of the belt is grasped with two fingers: the thumb and forefinger. The force should be enough to turn the belt at an angle of 90 degrees.

Knowing how to install a timing belt on a VAZ 2110 8 valve with your own hands, you still need to check the quality of the work done. To do this, start the engine and listen. There should be no extraneous noise. Their presence indicates a strong belt tension. To do this, the fastening of the roller is loosened, and the roller itself is rotated to the left by 10-15 degrees. The field of this system is fixed.

Lada 2112 2007, 89 l. With. - with your own hands

Lada 2112, 2007

Comments 48

I don’t know what they write about here regarding belt tension on 2112, on PRIOR everything is tightened little by little through the tension roller. The right branch of the belt through the guide roller should already be laid: - through two camshaft pulleys, a crankshaft toothed pulley, through a pump and have sufficient tension. In this case, the marks on the camshaft pulleys and the crankshaft toothed pulley must be fixed using the corresponding counter marks

In this position, holding the belt with your hand on the left side of the branch, on the side of the tension roller, so that it does not weaken and does not jump over the teeth, no matter where and in what place (and this is possible even for one tooth), we place or slip the tension roller under the belt , insert its bolt and tighten everything with such a turn of the roller by hand that the belt does not loosen and does not jump over the teeth

Next, spin the engine several times, or maybe it’s better, by the wheel with 4-5 gear engaged, and make sure that all the marks on all the pulleys match perfectly. How to recognize the mark on the ring gear of the generator drive pulley on the crankshaft, I have already written below and given a drawing. With the wheel removed and the stand hanging with the steering wheel turned, this ring and the DPKV are clearly visible, or almost well, through the mirror.

Then, after cranking the engine several times by hand, carefully, slowly - and what the hell is not joking, the marks didn’t match when parked and the valves were bent with the starter, yikes, then you begin to tighten the roller to working condition. At the moment when, when cranking the engine, the right branch self-tensions when viewed from the side of the pulleys - and the left one weakens, this is where you need to tighten the roller - like how everyone around writes and rips off each other. On a Priora, the tension of the roller can be general or weak, the belt will jump, or the roller may be pressed against the belt so that it and other damn spare parts will feel sick

At the moment when, when cranking the engine, the right branch self-tensions when viewed from the side of the pulleys - and the left one weakens, this is where you need to tighten the roller - like how everyone around writes and rips off each other. On a Priora, the tension of the roller can be general or weak, the belt will jump, or the roller may be pressed against the belt so that it and other damn spare parts will become sick.

Don't be afraid to start the engine to see how your video lives when the engine is running. Nothing will happen to either the belt or the roller when adjusting in a tightened state. The main thing is that the belt does not dangle too much, otherwise it will either fly off or fly like plywood over the toothed pulleys and fucking bend the valves. If the tension roller is dead, overtightened, the belt may hum a little from the overtightening, which in turn will affect on a PUMP, therefore, it will not last long due to a strongly tightened belt (of course it will not immediately fall apart) - then we begin manipulations to tension the roller. The ROLLER on the Priora should be alive when the engine is running. It should vibrate inconspicuously on the tension spring and this is clearly noticeable, and when you press the gas sharply it jumps, pushing up well with the belt and this can be seen even by a blind mole.

What is written in the Talmuds about how to pull a roller does not always coincide with reality. Therefore, it may be that when you set it up as written in the bible for dummies, the roller will simply rest in peace and will not work properly. Therefore, everything is relative to different manufacturers and defects.

In general, honestly, it’s better to under-tighten the roller a little than to over-tighten it. The roller, the pump and the belt will live. The main thing is to watch and listen for extraneous sounds in the timing belt area.

More than once I had cases where the belt was about to fly off, dangled and shouted, pull me up, even rubbed the protective cover. The casing probably saved the day because the belt did not fly off and the piston did not stick into the valves.

But for those who have plugless pistons, they are destined to drive on loose belts. Well, just think, it fell off, hey, hey, but everything lasts a long time and doesn’t break. By the way, the tenth cans have 2110 and some others may have rollers with flanges, they don’t have to worry too much about it, these rollers won’t let the belt fly off just like that from weakness. — It’s okay to slip over the teeth of the pulleys, well, just think, the traction has dropped or it’s completely stalled, corrected it, tightened it and again the gas is up to the limit. The main valve head and pistons cannot be killed. They already write on the Internet that AvtoVAZ began producing engines with 98 hp. and 106 hp with plugless pistons - Freebie please! But the 1.8 liter engines are 122 hp. Not yet, just look for and install such pistons yourself.

So, change the pumps themselves and the safety belts. brr timing belt and don’t be afraid of anything. The main thing is logical thinking and the right approach to what you want to do.

REPLACING THE VAZ 2110 TIMING BELT (16 VALVES)

Not every car enthusiast knows how to replace the timing belt on their own. For 16 valves this procedure is carried out slightly differently than for 8 valves.

First of all, you need to remove the protection casing.

Remove the “chip” from the crankshaft sensor and unscrew the bolt. After this, remove the sensor itself.

The pulley is missing a tooth that allows the crankshaft sensor to find top dead center. In addition, the missing tooth is necessary to lock the crankshaft and tighten the pulley mounting bolt.

The pulley must be aligned with the hole for the crankshaft sensor. A tube of suitable size or some other suitable object must be inserted into this hole. We block the pulley, unscrew it and remove it.

We loosen the tension by unscrewing the tensioner nut and remove it.

We insert a new belt. You can do this in two ways, depending on what is convenient for you. This is done by turning the right camshaft with a wrench or by removing the tensioner roller.

We fasten the bolt that serves to secure the pulley, then align the marks of the belt drive gear. If there is no mark on the oil pump housing, you can use the flywheel marks as a guide. Afterwards, you can make a mark yourself to make it more convenient.

We align the marks on the camshaft pulleys, paying attention to the fact that the drive gear marks must certainly match. We use a tensioner roller and a special key to tension the part.

If you don't have such a key, you can use two nails and a screwdriver or pry bar that needs to be inserted between them. You can also use forks by first removing the two front teeth and shortening the two outer ones to half by bending them. Finally, be sure to tighten the tensioner nut.

We use a tensioner roller and a special key to tension the part. If you don't have such a key, you can use two nails and a screwdriver or pry bar that needs to be inserted between them. You can also use forks by first removing the two front teeth and shortening the two outer ones to half by bending them. Finally, be sure to tighten the tensioner nut.

Check the tension by pressing your finger up and down.

We turn the crankshaft exactly two turns, and then check each mark. If they all match, the pulley can be screwed on. Otherwise, repeat steps 6 – 9.
After everything is done, we return everything to its place and start the engine.

Now the replacement can be considered completed. As we now see, this procedure takes a little longer, but it is not much more complicated.

The process of removing the old belt

To understand how to change the timing belt on a VAZ 2110, you need to study the instructions.

Stages of the soft product replacement process:

The wire leading to ground is disconnected from the battery.
The alternator belt is removed.
The piston of number 1 cylinder rises. The front right wheel must be removed. Setting the VAZ 2110 8 valve timing marks is done by turning the crankshaft in the direction of movement clockwise. The marks of the camshaft gear are aligned with a special antenna located on the rear cover of the timing drive.
The bolt on the generator drive pulley is unscrewed and removed. A prerequisite is to lock the crankshaft. This will require at least two people. One is engaged in keeping the crankshaft from possible rotation. The other one, from the clutch housing, removes the plug and unscrews the bolt securing the pulley, which is removed. Immediately there is a check of the coincidence of the marks on the flywheel and the slot in the crankcase.
To loosen the nut securing the tension roller, take a size 17 wrench. With its help, the roller is slightly rotated in order to reduce the belt tension.
The timing drive is being removed.

When is replacement required?

The belt has a resource - a set service life. If this period has expired, the spare part must be replaced even if it looks normal. After all, a break can happen at any moment.

When asked how many kilometers it is necessary to replace the belt so that the belt does not break, experienced car enthusiasts give different answers. Some believe that after 50–60 thousand kilometers. Others clarify: this replacement period is relevant for an 8v (eight-valve) engine. If a 16v (sixteen-valve) engine is installed, then replacement must be done after 30–45 thousand kilometers.

In the video, a practitioner shows what timing belts look like after a long run and whether advertising should be trusted. Filmed by ExpertR channel.

Visual belt check

Before replacing the timing belt on a VAZ 2110 8 valve, it is necessary to inspect it. It is carried out after a run of 15 thousand km.

Tools are prepared for this:

keys: overhead and open-end.
different types of screwdrivers;
a mount is required;
pliers with special jaws for proper installation of the roller;
jack.

The check consists of the following points:

There is a special plug on the front protective timing cover that can be removed.
The belt is removed from the generator pulley. This is important for ease of use.
The timing cover is held in place by 6 bolts that need to be unscrewed.
The belt opens. He is visually inspected.

Do-it-yourself replacement of the VAZ 2110 8-valve injector timing belt is carried out in the case when all defects are clearly visible.