Replacing spark plugs for Hyundai Solaris: instructions, installation, testing

In accordance with technical regulations, spark plugs on Hyundai Solaris with 1.4 and 1.6 liter engines must be replaced every 60,000 km. However, depending on the operating conditions of the car, as well as based on the condition of the spark plugs themselves, replacement can be done earlier, for example, every 30-45 thousand kilometers.

How to determine that spark plugs need replacing

If the scheduled maintenance of 60,000 km has not yet arrived, at which it is necessary to replace the spark plugs, and problems have appeared with the car’s engine, it’s time to identify the reasons; it may be the spark plugs.

Unstable engine operation at idle
The engine fluctuates or the speed fluctuates
Difficulty starting the engine
Weak engine thrust

If one or more of the above symptoms are detected, it is necessary to carry out diagnostics and, if problems are identified, replace the spark plugs. The operation of the spark plug can be affected by low-quality fuel, faulty valve stem seals, a rich or, conversely, lean mixture, as a result of which carbon deposits appear on the spark plug electrode, which prevents the appearance of a spark.

Which spark plugs to choose for replacement

From the factory, the car is equipped with original Hyundai spark plugs 18855-10060. The cost of an original candle is from 250 rubles. It is worth noting that the original spark plugs are produced by NGK, so if you want to save money, you don’t have to buy or order Hyundai spark plugs, you can buy NGK and it will be the same.

To replace, you can choose to purchase the following spark plugs:

Regular
Iridium
Iridium-platinum

The cost of these types of spark plugs varies, as does the opinion of car enthusiasts about each of them. For example, some motorists praise the 4-pin spark plugs UXF-56/89. With them, fuel consumption is lower and the dynamics are better. Others prefer regular iridium or iridium-platinum with the longest service life.

Denso Iridium Tough iridium-platinum spark plugs for G4FC, G4FA 1.4 and 1.6 liter engines Spark plug item: VXUH22I
Denso IXUH22I POWER iridium spark plugs for G4FC, G4FA 1.4 and 1.6 liter engines Spark plug item: IXUH22I
Denso spark plugs with thin electrode Denso XUH22TT Spark plug item: XUH22TT

Above we have indicated the most popular spark plugs installed on Hyundai Solaris. The choice, as always, is yours; you just have to note that iridium spark plugs are designed for 60-80 thousand km, while iridium-platinum spark plugs last up to 100,000 km.

Replacing spark plugs yourself

To replace the spark plugs, we need a 16mm spark plug wrench and a 10mm wrench to unscrew the decorative cover.

So, using a wrench or a 10 mm socket, unscrew the 4 bolts of the decorative engine cover. Let's take it off.

Using a screwdriver, carefully pry and remove the block from the ignition coil and move it to the side.

Using a socket or a 10mm wrench, unscrew the bolt securing the coil, and then remove the coil from the well.

Using a 16mm spark plug wrench, unscrew the spark plug and replace it with a new one.

We do the same with the remaining three spark plugs. You can replace either one by one or by unscrewing all the coils at once; there is no sequence when replacing.

After replacement, check that all the pads are tightly inserted into the coils, and only then start the engine.

There is no need to tighten the candles too much. If you overtighten, you will break the threads on the well. The tightening torque of the spark plugs with a torque wrench is 25 Nm.

Useful tips

If it was necessary to remove the spark plugs to check their condition between replacements, there is no need to clean them by hand. Such neglect will lead to damage to the insulating layer of the central electrode. However, you can check the gap between the electrodes.
If the candle is difficult to extinguish, you should not use force; the wire on the head is made of light alloy and can simply be torn off. Warm up the engine, this will make the task easier for you and the spark plugs will come off the first time.
Apply some graphite cut from a pencil to the spark plug wire, you can use graphite or copper grease to screw it in and then unscrew the spark plug.
If you find a defect in the threads on the spark plug, you can take it to a workshop where a threaded bushing can be installed.
When installing new spark plugs, remember that cold spark plugs cannot be screwed onto a hot engine, so they cannot be removed.
The tightening torque for the spark plugs is 20 N•m. If you don’t have a torque wrench at hand, you can proceed as follows: screw the spark plug in so that the O-ring fits, after which it will not turn either by hand or with a wrench; do not use force. When installing new spark plugs, tighten them about a quarter turn using a spark plug wrench. If the spark plugs are old, just turn the key 15 degrees.

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How to change spark plugs in Hyundai Solaris?

The process of replacing spark plugs on a Hyundai Solaris is accessible to every car enthusiast; it is simple and does not require special knowledge. Watching the training video will help you avoid mistakes and perform all operations correctly.

Replacing spark plugs is an indispensable element of any regular technical inspection, but the peculiarities of vehicle operation sometimes force you to do this during breaks between maintenance.

How to choose spark plugs for Hyundai Solaris

The performance of a car engine depends entirely on the quality of these small parts. This structural element is responsible for igniting the air-fuel mixture and starting the engine. The spark plug consists of a durable body, a ceramic insulator and conductors.

Replacement is carried out as they fail and their service life expires; they have their own service life and upon expiration they are subject to mandatory disposal. The mileage of the car is also important.

If the manufacturer proposes to replace it after every run of 55,000 kilometers, then practitioners who know the situation with the mode of operation of vehicles suggest reducing this period to 35,000 km.

You can purchase both original parts from the Korean concern and their analogues with similar characteristics. Original HYUNDAI/KIA 18854-10080 will cost the driver 500 rubles or more, Japanese analogues NGK - Solaris 11 can be found for about 300 rubles.

All spark plugs are of the spark type, widely used in the automotive industry. The more aggressive the driver's driving style, the higher the heat rating required from the kit.

How to change spark plugs on a Hyundai Solaris?

Many drivers know in general terms how to change spark plugs on a Hyundai Solaris, but have never done it themselves. This process is simple and only requires skill with a screwdriver.

Before starting work, the car engine must cool completely. You need to disconnect the negative cable from the battery.

Next, the replacement process is carried out in the following order:

find 4 bolts on the plastic cover protecting the engine. Unscrew them with a 10 key;

Carefully remove the cover with the logo;
find the coils. They are secured with a retaining bolt, which is removed with the same key, and then remove the coils. To do this, first remove the wires using a screwdriver, slightly loosening them in the terminal block;

it is necessary to clean the compartment from decay and combustion products, dust and dirt. It is optimal to blow out the space using compressed air;

Next you will need a 16mm spark plug head equipped with a magnet or rubber band for holding. An extended collar will help you unscrew all the spark plugs;

study the place where the sparks are created. If carbon deposits or blockages are detected, then the engine’s performance is impaired;

screw in the candles. The upper part of the part is mounted in the magnetic head of the key, the lower part is inserted into the cartridge and screwed in smoothly and without much effort. If this condition is violated, the thread can be torn off, which will be indicated by increased resistance. If this happens, the process will have to be repeated. After screwing is completed, the spark plug will need to be pressed firmly into the cartridge with a little force;

check the functionality of the spark plug and engine starting.

Video

The video shows a step-by-step plan for replacing spark plugs on a Hyundai Solaris:

All operations can be performed even by an inexperienced master if all the tools are available. Replacement time usually does not exceed 30 minutes.

When working, pay attention to safety precautions and do not damage the equipment.

Replacing spark plugs for Hyundai Solaris

According to the manufacturer's regulations, replacement of spark plugs on Hyundai Solaris is provided every 60,000 km. If you service your car yourself, stick to the stated mileage or change the spark plugs even earlier. If you do not buy iridium spark plugs, but regular ones, replacement should be reduced to 30 thousand mileage. That is, every 30,00 km you will need to change the spark plugs.

How to determine the need for replacement

If you just bought a used car, we recommend that you have it serviced immediately. In addition to the filters, also replace the spark plugs. If you notice that your car has the following symptoms, we advise you to check the condition of the spark plugs and, if necessary, replace them.

Fuel consumption has increased for no apparent reason
At idle speed the engine does not operate stably, the tachometer needle may fluctuate
The engine does not develop power and may stall

If these signs are detected, the condition of the spark plugs and ignition coils should be diagnosed. Perhaps the spark plugs are working, but the problem is in the ignition coils.

Which spark plugs to choose for replacement

Original Hyundai/KIA spark plugs 18854 10080 or the same spark plugs under article number 18858 10090 were installed from the factory. The cost of one spark plug is from 250 rubles. In addition to the original, you can find a fairly large selection of analogue candles.

Analogues of candles 18854 10080

Bosch 0 242 129 515 from 165 RUR
Brisk QR15LC1 from 140 RUR
Champion OE201/T10 from 130 RUR
Denso IXUH2-2I from 600 RUR
Denso XUH22-TT from 150 RUR
NGK 1578 from 180 RUR
NGK LZKR6B-10E from 177 RUR

Replacing spark plugs on a Hyundai Solaris - instructions

Author of the article: AutoKontact.ru

date: 05/06/2018

Technical regulations for the maintenance of Hyundai Solaris cars equipped with 1.4 or 1.6 liter engines require changing spark plugs during maintenance performed after 60,000 km. But, if the car was operated in difficult conditions, or if the quality of the Hyundai Solaris spark plugs is poor, it is necessary to replace the spark plugs with less mileage - 30 - 45 thousand km.

Signs of problems with Solaris spark plugs

Any abnormal situation in engine operation, if it occurs between 60,000 km of scheduled maintenance, will require a thorough analysis. There is a high probability that the Hyundai Solaris spark plugs are to blame.

Specific manifestations of such malfunctions are as follows:

the engine idles uncertainly;
troits and does not maintain speed;
takes a long time to start up when starting;
does not develop full power.

If you notice such "tricks" of the engine on at least one point, carry out its diagnostics. This will help you localize the problem factor, and if the spark plugs are to blame, replace the Hyundai Solaris spark plugs.

Factors that affect the service life of spark plugs on Hyundai Solaris:

low quality fuel;
valve stem seals with a defect;
incorrect ratio of fuel mixture components.

All this leads to the formation of carbon deposits on the spark plug electrodes.

The principle of selecting candles for Solaris

At Hyundai factories, car engines are equipped with original Hyundai spark plugs 18855-10060. You can purchase this part at a price of 250 rubles and more. Original candles are produced by NGK. To replace Solaris spark plugs, products with the Hyundai and NGK logos will be absolutely equivalent.

In addition to the original replacement Hyundai Solaris spark plugs, you can choose from three types:

ordinary,
iridium
iridium-platinum.

They vary significantly in price and popularity among different groups of car enthusiasts.

The first type includes four-pin spark plugs UXF-56/89. Many drivers prefer them for reduced fuel consumption and improved dynamics. But iridium and iridium-platinum have their own cohorts of fans.

As an example of the second and third types, we will name several of the most famous models:

Denso Iridium Tough (article VXUH22I) is a representative of iridium-platinum;
Denso IXUH22I POWER (article IXUH22I) from among iridium;
Denso XUH22TT (article XUH22TT) with a thin electrode.

The marking of the spark plugs indicates their use in G4FC, G4FA engines with a volume of 1.4 and 1.6 liters.

The declared resource for producing spark plugs inspires confidence that pure iridium ones will last 60-80 thousand km, and iridium-platinum ones will last up to 100 thousand km.

Procedure for replacing spark plugs on a Hyundai Solaris

This operation does not require a large set of tools. It would be advisable to have three items on hand:

wrench 10 (you can use a head);
spark plug wrench 16;
screwdriver

First, you need to remove the decorative cover. It is secured with four bolts that can be unscrewed with a 10 mm wrench.

After removing the cover, you can begin replacing the Solaris spark plugs. The order of replacing spark plugs on a Solaris is not important. But for each spark plug, replacement begins with removing the block from the ignition coil and putting it aside. The block is removed with a screwdriver.

Then, using a 10mm wrench, unscrew the bolt securing the coil and remove it from the well. Now you can get close to the candle. Replacing spark plugs on a Hyundai Solaris is done with a 16mm spark plug wrench.

When tightening a new spark plug, do not use too much force. The parts are fragile and have fine threads. Nominal tightening force 25 N*m.

To replace the remaining three candles, everything is repeated in a similar way. If it is more convenient for you to first remove all the coils and then change all the spark plugs, do so. The quality of work will be more influenced by accuracy rather than the sequence of actions.

After replacing the spark plugs on the Solaris, you need to fasten the coils back and firmly insert the pads into place.

In conclusion, we offer you a video of replacing spark plugs on a Hyundai Solaris.

Zen Car Guru

How to change spark plugs on a Hyundai Solaris: photos and videos

The spark plug is one of the main elements for maintaining the power unit in working condition. Its function is to timely ignite the enriched fuel mixture in a variety of engines. The basis of the design is a housing, a ceramic insulator and a central conductor.

Replacing spark plugs on a Hyundai Solaris

This process is not complicated and is quite accessible to every driver who knows the location of the spark plugs in the engine compartment.

It is necessary to begin work with the engine cooled down and the negative cable on the battery disconnected. The sequence of actions is as follows:

Using a 10mm socket and a special ratchet type tool, unscrew the 4 bolts on the protective plastic engine cover (located in the very top part).
To remove the cover, unscrew the bolts.
Remove the Hyundai logo cover.
This opens access to the coils, which are secured with a retaining bolt.
Unscrew the bolts with a 10mm head and remove the coils from the spark plug wells. The wires are removed using a screwdriver by loosening the terminal clamp. Unscrew the bolts to remove the coils.
To clean the space around the spark plug, use compressed air.
This method helps to effectively remove dust and dirty particles from the metal surface. Remove the ignition coils.
Take a 16mm spark plug head (with a rubber band or magnet to hold it) and use an extended wrench to unscrew all the spark plugs one by one.
Unscrew the spark plugs with a 16mm wrench.
Inspect the sparking area for carbon deposits and gaps.
Thanks to these data, some conclusions can be drawn regarding the quality of engine operation. Old and new spark plug.
Install new spark plugs. To do this, it is enough to install the upper part into the magnetic head (the rubber head is not recommended for use, since it often remains inside the well and is difficult to remove) and carefully screw in the lower half without using significant force. Compliance with this rule will help avoid damage to the threads in the cylinder block. If resistance appears when screwing in, this is a sign of rotation not along the thread. Unscrew the spark plug and repeat the process again. When successfully tightened, press the spark plug to the end with a force of 25N∙m.

It is important to remember that over-tightening the spark plugs can damage the threads on the cylinder block bores. After installation, the ease of starting and operation of the engine is checked. Candles that have reached the end of their service life cannot be restored and must be disposed of.

Video about replacing spark plugs on a Hyundai Solaris

When to change

Spark plugs must be changed every 35,000 km. mileage

The manufacturing plant suggests replacing it after 55 thousand kilometers.

2272-4-16-08

We remove the candle from the spark plug well.
When installing a spark plug, it must be baited and screwed in by rotating the extension by hand, without a wrench, to avoid damaging the threads of the spark plug hole in the cylinder head. If the spark plug does not follow the thread, strong resistance to rotation will be felt. In this case, it is necessary to completely unscrew the spark plug and, after cleaning the threads, re-tighten it. Finally tighten the spark plug to a torque of 25 Nm.

Attention! Over-tightening the spark plugs can damage the threads in the spark plug holes in the cylinder head.

We replace the remaining spark plugs in the same way.

Replacing spark plugs on a Hyundai Solaris - instructions

Many drivers know in general terms how to change spark plugs on a Hyundai Solaris, but have never done it themselves. This process is simple and only requires skill with a screwdriver.

Before starting work, the car engine must cool completely. You need to disconnect the negative cable from the battery.

Removing old ones

This process is not complicated and is quite accessible to every driver who knows the location of the spark plugs in the engine compartment.

It is necessary to begin work with the engine cooled down and the negative cable on the battery disconnected. The sequence of actions is as follows:

How to drain gasoline correctly

Using a 10mm socket and a special ratchet type tool, unscrew the 4 bolts on the protective plastic engine cover (located in the very top part).
To remove the cover, unscrew the bolts.
Remove the Hyundai logo cover.
This opens access to the coils, which are secured with a retaining bolt.
Unscrew the bolts with a 10mm head and remove the coils from the spark plug wells. The wires are removed using a screwdriver by loosening the terminal clamp. Unscrew the bolts to remove the coils.
To clean the space around the spark plug, use compressed air.
This method helps to effectively remove dust and dirty particles from the metal surface. Remove the ignition coils.
Take a 16mm spark plug head (with a rubber band or magnet to hold it) and use an extended wrench to unscrew all the spark plugs one by one.
Unscrew the spark plugs with a 16mm wrench.
Inspect the sparking area for carbon deposits and gaps.
Thanks to these data, some conclusions can be drawn regarding the quality of engine operation. Old and new spark plug.
Install new spark plugs.
To do this, it is enough to install the upper part into the magnetic head (the rubber head is not recommended for use, since it often remains inside the well and is difficult to remove) and carefully screw in the lower half without using significant force. Compliance with this rule will help avoid damage to the threads in the cylinder block. If resistance appears when screwing in, this is a sign of rotation not along the thread. Unscrew the spark plug and repeat the process again. When successfully tightened, press the spark plug to the end with a force of 25N∙m. New candles.

Inspection for defects

It is recommended to replace spark plugs on a Hyundai Solaris strictly according to the regulations. This interval is conditional, since the service life of consumables greatly depends on the quality of the fuel and the driving style of the car owner. Unscheduled replacement is required if any of the following damage is detected:

Cracks on the body.
Soot from candles.
Damage to electrodes.
Gasket damage.

If at least one of these defects is present, it is recommended to replace the spark plugs.

Mitsubishi Outlander CVT repair

Checking the gap

On Hyundai Solaris, the normal spark plug gap is 0.9 mm when using leaded gasoline. For unleaded fuel, the normal spark plug gap is 1.0-1.1 mm.

The process of replacing spark plugs

1. To gain access to the spark plugs, you need to remove the top protective plastic cover from the engine, which is attached to 4 10mm wrench bolts. A socket wrench or socket is good for this purpose;

2. After removing the cover, you need to turn off the power to the car by disconnecting the positive terminal from the battery. It is also necessary to disconnect the power wires from the ignition coils.

These wires are attached to connectors and clamps; you need to use a screwdriver to tighten the tab of the clamp and remove the wire connector from the coil terminal block.

After disconnecting the wires, the ignition coils are removed from each well;

3. After removing the ignition coils, access to the spark plugs is opened, using an extended spark plug wrench, the old spark plugs are sequentially turned out, and new ones are screwed in their place.

The process of replacing spark plugs on a Hyundai Solaris car with a 1.4 engine is identical to the process when replacing spark plugs on a 1.6 liter engine.

Before installing new spark plugs, it is necessary to carefully examine the condition of the electrodes on the old spark plugs; this will help determine the nature of the malfunction. The entire assembly is carried out in the reverse order, when tightening the spark plugs, you should not apply much force, 20-30 Nm will be enough.

Old spark plugs removed from a car should not be restored or adjusted; in extreme cases, you can carry with you an old spark plug that is least damaged, which will help you get there if one of the car’s spark plugs suddenly fails.

When to change spark plugs, which ones to install

The question of when to change spark plugs is answered differently. Some people think that it is necessary to observe the interval specified in the regulations, others prefer to change candles depending on the condition. According to technical documentation, Hyundai Solaris spark plugs should be changed every 30 thousand kilometers.

Original

Original Hyundai/KIA spark plugs 18854 10080 or the same spark plugs under article number 18858 10090 were installed from the factory. In addition to the original, you can find a fairly large selection of analogue spark plugs.

Check and signs of wear

At a mileage of 30 thousand km you already need to check the spark plugs. Very often they are sentenced to replacement if there is a brown band on the insulator. If there is a band, it means gases are escaping from the combustion chamber and the spark plug is not airtight. THIS IS A MYTH THAT BECAME TRUE!

The belt on the insulator is not an indicator of the condition of the spark plug

If you cut off the upper part of the body, you can see that there is no such belt underneath. Therefore, this has nothing to do with the tightness of the insulator.

The belt on the insulator is not an indicator of the condition of the spark plug

Now the most important thing is why you need to unscrew the spark plugs. This is a clearance check. It should be 1-1.1 mm.

New and worn electrodes

If it is not greatly enlarged and the central electrode is not very worn, you can slightly bend the side electrode to the desired value and gain some more mileage before replacement.

Typically, a spark eats away the central electrode, and the side one turns from rectangular to rounded.