What are mufflers for Lada made of: we conduct a laboratory examination of 12 samples

Muffler for Priora - cost, installation and analogues

Problems with the exhaust gas removal system send drivers to maintenance. Whatever muffler you install, it will burn out over time - no matter how much it costs. The muffler is also an emission, the car Priora sedan, hatchback, station wagon is monotonous and also burns out over time. Naturally, it is better to install the main muffler on a Priora from stainless steel - without looking at the fact that it is more expensive. The cost, for example, of STT is 4950 rubles, and Mute stainless steel is 4500 rubles, Stinger is 4100 rubles. Replacing a muffler, although not a common matter, car enthusiast forums are often replenished with the latest articles devoted to the dilemmas of the exhaust of a Lada Priora car, operation, and replacement of the middle part of a car's exhaust system, clearly indicating the relevance of the issue. The exhaust system is the exhalation for a car - it is fundamental, just like the intake system. In this article we have collected most of the most pressing questions from consumers.

Main components of the Priora exhaust system

As already mentioned, this is not one element, but several:

1. Timing (gas distribution system) exhaust valves.
2. Exhaust manifold with particulate filter (catalyst).
3. Oxygen sensor (Lambda probe) 2 pieces.
4. Middle part with resonator.
5. Tail section with muffler.

Each of these parts must be considered separately.

Release of gases in the cylinder head

This is part of the operation of the gas distribution mechanism. A full description of this mechanism is a separate issue of engine operation. It is enough to mention here that the 8 exhaust valves open in exhaust mode and the piston pushes the exhaust gases into the system. Namely, into the exhaust manifold.

Catalyst or particulate filter in the exhaust manifold

This is one of the most complex and expensive components of the entire exhaust gas system. Essentially, this is a device for afterburning unburned gasoline particles using catalysis. For this purpose, the thin walls of the longitudinal filter honeycombs are made of a special material. Contacting them, gasoline burns (figuratively). The output is ordinary water.

Set of Lambda probes for Euro-3 system

What is Euro 3 standard? In fact, this is the level of purification of car exhaust gases. It is according to the levels of vehicle access to Europe that these systems are distributed. There are several levels:

• Euro level.
• Euro 2 threshold.
• Euro-3 (basic for Priora).
• Euro-4 (Subsequent models and the latest “Priors”).
• Euro-5.

In the first option, a particulate filter was added to the exhaust system. It is mentioned above. But in system No. 2, electronics control has already been connected. A special, rather complex and expensive sensor was developed. Lambda probe or oxygen sensor. Thanks to a special coating, its resistance changes its value depending on the saturation of the exhaust gases with carbon monoxide. That is, carbon monoxide.

Standard muffler - article number and cost

The VAZ 2170 Priora car is equipped by the factory with spare part item number 2170-120010. Made of light sheet steel with a width of 0.8-1.1 mm. Connecting inlet pipe with a diameter of 48 mm. Inside the muffler chamber (an oval tank - popularly known as a barrel) there is a series of parallel chambers for the final step of dampening the force of the sound wave of the exhaust gases. The exhaust pipe allows you to install various types of muffler attachments to give a unique, configurable sound signature to your car's exhaust. The cost of such a standard muffler ranges from 1200-1600 rubles. Naturally, you can go much further.

The main malfunctions of the Lada Priora muffler

The main reasons for replacing or repairing the part of the exhaust system given to us are often burnout, rupture of the tank with loud popping noises from inside, loss of integrity, and deformation of structural parts. A loud roar when operating at high speeds, impacts on the body. The main factor in the failure of the Lada Priora muffler is corrosion of the alloy, which occurs when the protective coating is lost as a result of overheating and condensation of water vapor on the walls.

Fluid in the muffler

accumulation of water in the cavity of the barrel or, as experienced car enthusiasts joke, “drips from the end”) is a fairly common phenomenon. It is important to find out what kind of liquid is collected inside. Often the reason for this is water condensation formed from the difference in the operating temperature of the unit and the external environment. It has a bad effect on models made of iron-zinc steel that are not sufficiently protected against corrosion. Models made of steel with a bit of aluminum or stainless steel are the least susceptible to such effects. Almost everyone finds a way out by drilling a drainage hole in the corner of the tank. If you find antifreeze or antifreeze in the water, it’s time to sound the alarm. Malfunction in the density of the car’s engine cooling system (loss of integrity, wear of the cylinder head gasket, depressurization of the cylinder block). You should immediately check the operation of the cooling system and remove the cause in order to avoid subsequent negative consequences.

Loud roar at revs

The sound of the exhaust gases changes when the engine speed reaches above 3000. The reason for this behavior is often the burnout of the partitions inside the resonator, the middle part of the exhaust system, or a clogged exhaust catalyst. Loss of joint density, structural integrity as a result of corrosion, burning of individual parts, cracks in the joints of parts. All this indicates the end of the service life of the spare part. The only reliable solution is to replace the faulty system unit. Repairing these flaws with a hammer and welder is a temporary solution.

Why does the silencer fire?

Loud popping noises occurring inside the exhaust system suggest a malfunction. Naturally, there is a malfunction, but it lies in the operation of the machine’s motor. The shot occurs as a result of partial combustion of the gas-fuel mixture inside the cylinders and ignition of the residues already inside the exhaust gas removal system.

Roar, shooting, condensation and other reasons to look under the car

It's easy to spot muffler problems. It is difficult not to notice extraneous sounds coming from under the car, or a sharp change in the tone and volume of the response to pressing the gas. It is not uncommon to notice fluid leaking or even splashing from the exhaust pipe. All these are signs of malfunctions, but do they all indicate problems in the exhaust system?

Fluid in the muffler

Fluid dripping from the exhaust pipe is a common occurrence. However, it is worth distinguishing what kind of liquid it is. If it's water, there's nothing wrong with it. When the ambient temperature changes, moisture from the air condenses on the surfaces of the muffler. If a steel muffler is used, this can lead to corrosion, but usually the Priora exhaust system uses aluminized steel or stainless steel, which means that damage from water will be minimal. In cases of heavy accumulation of water, experienced motorists usually drill a drainage hole in the “barrel” of the muffler.

If there is excessive accumulation of water in the muffler, in winter you may encounter icing of the exhaust pipe

If antifreeze drips from the exhaust pipe, the fault should be looked for not in the muffler, but in the engine. The reason may be wear of the cylinder head gasket, as well as depressurization of the block itself. Antifreeze in the exhaust pipe is a symptom of serious problems, and if it is detected, you should immediately diagnose the engine.

Pops and shots from the exhaust pipe

Popping noises coming from the muffler indicate a malfunction. However, this is also a malfunction of the engine, not the exhaust system. Shots or pops from the exhaust pipe indicate that the mixture of air and gasoline does not burn out in the cylinder block, which means that when you hear them, you should check the spark plugs and spark plug wires, as well as the serviceability of the gas distribution mechanism. Problems with combustion of the mixture are not a symptom of a muffler failure, but they can be its cause.

Video: this is what pops from the muffler sound like

Knocking from under the car

A knocking sound from under the bottom of the car while driving or rattling from vibrations is an unpleasant phenomenon. The muffler may touch the gas tank or the underbody. There are several possible reasons for this.

1. First of all, check the rubber muffler hangers. Their wear leads to loosening of the entire exhaust system. These mounts are sold at most auto parts stores. Their price usually does not exceed 100 rubles per piece. Replace the suspension with new ones and the knocking will stop.
2. It is worth checking whether the clamp connecting the main muffler and the additional muffler is loose. If necessary, replace the fastening bolts and nuts. For replacement, it is best to use fasteners made of heat-resistant materials.
3. Using the wrong model of muffler with pipe bends that differ from the original spare part can lead to contact between the exhaust pipe and various components of the car: the body, the gas tank and even the suspension. Be careful when choosing a muffler.

Lowered the car - the muffler is knocking

When installing a short-travel suspension on a Priora, tuning enthusiasts often encounter a situation where the suspension beam, which has moved closer to the body, begins to touch the muffler. This problem can be solved by replacing the muffler hangers with new ones of a more suitable shape.

Loud roar at revs

If a vehicle's exhaust system loses its seal, it cannot effectively reduce the volume of exhaust emissions. In this case, the exhaust often takes on a “pseudo-sports” sound. Therefore, if the muffler growls, you should look for a gap in it. It can be on the muffler body or on the pipes. It makes sense to check the connections and their fastenings. If the metal from which the muffler is made is of low quality, the exhaust pipe may burn out due to temperature. Time, corrosion and the quality of domestic roads cause damage to the exhaust system.

Pressure and temperature can cause holes

A burnt or broken muffler is easiest to replace. If depressurization occurs at the joints, you can limit yourself to replacing the sealing ring and the necessary fasteners.

Manufacturers of mufflers and prices of analogues for Priora

The choice of silencers on the Priora available to the user is enormous. Almost all of them differ in the name of the manufacturer's plant. Let's look at the main differences in production method and materials:

• The muffler is made of steel with a large admixture of aluminum (Lada-Style, EDEX, PHOENIX, etc.), resistant to corrosion, suitable for all body types. Its disadvantage: the presence of welding seams in the design of the part. Cost – from 2500 rubles;
• The sunset type of production (Phobos, NAAZ, Avtokomplekt, etc.) has the main advantage of creating a part without welding technologies or using stainless steel, which is why it has an increased service life. The cost of such a “stray” is from 3000 rubles;
• An economical muffler (“VVV Togliatti”) uses iron-zinc steel in production, is short-lived, suffers greatly from corrosion, and rapid wear. The only plus is the cost of the spare part is approximately 1400 rubles;
• A separate type is stinger (spider) forward flow exhaust systems (“MUTE”? “StinGer-auto”, etc.). Advantages: slight increase in vehicle traction, choice of high-quality materials in manufacturing, longer service life.

Prices are very different depending on the manufacturer, from 4500 rubles. Remember, it is better to buy one good emissions than two bad ones and your Priora remains satisfied.

Mufflers VAZ 2101-2107 (Classic)

Silencers for domestic classics come in 3 types:

1. Muffler for a classic sedan body assembled by AvtoVAZ (VAZ 2101, 2103, 2105, 2106, 2107) stamped and welded
2. Muffler for a classic station wagon assembled by AvtoVAZ (VAZ 2102, 2104) stamped and welded
3. Muffler for classic IZhavto assembly (VAZ 2104, 2106, 2107)

Despite the fact that the length of the classic sedan and station wagon is approximately the same, their mufflers are slightly different. The main difference here is not the length of the exhaust pipe, but the bend of the pipe that goes around the bridge (unfortunately, this is almost invisible in the photo). Also, about the first 2 types of mufflers, it must be said that they can be presented on the market in 2 types of production:

1. Stamp welding is a production method in which two metal parts of the muffler can are stamped, then welded together and the whole thing is welded to the pipe.
2. Sundown is a manufacturing method in which a sheet of metal is taken and wrapped around the muffler entrails.

Historically, mufflers were previously manufactured only by the stamp-welded method. Then bam, nano technology! A seaming method has appeared, which is cheaper to produce and more reliable compared to the stamp-welded method, because One weld is better than a muffler welded all over. In this case, it does not matter what method the muffler is made of - they fit like originals, both stamped and welded. However, keep in mind that the original muffler for classics is only stamped and welded, because The factory makes them only using the old method.

The presence of the 3rd type of muffler is explained by the fact that when the production of the VAZ classic was completely transferred to Izhevsk, they decided to install their own exhaust system, the production of which had already been established.

From the classics, let's move on to front-wheel drive VAZ cars, where the above-mentioned rule applies 100%: “The longer the body, the longer the exhaust pipe of the muffler.” But there are nuances here too.

Removing and installing the head muffler of the Lada Priora

Replacing the muffler on a Priora yourself is possible within the confines of a garage. The presence of an inspection hole will greatly help the replacement event. Replacement can also be done using a jack. The main muffler and resonator are almost always dismantled; other parts rarely break.

• To remove the main part, unscrew the fastening and connecting clamp. The module is disconnected from the resonator.
• The resonator hangs on rubber hangers, lift it up and unfasten it.
• We throw away the sealing ring located between the nodes; during reverse installation, a new gasket is used for the connection.

The number of exhaust rubber bands on a Prior hatchback and sedan varies. The exhaust pipe on the Prior is attached to the exhaust pipe with a bolted connection, which is sometimes difficult to unscrew; it is better to treat the bolts and nuts with a WD tool in advance. Often, after dismantling, you have to replace them with new ones. Before installation, it is recommended to clean all connecting elements from burning and dirt. Removing the exhaust of priors “on the knee” is a tedious task, but doable!

Source: priorik.ru

Roar, shooting, condensation and other reasons to look under the car

It's easy to spot muffler problems. It is difficult not to notice extraneous sounds coming from under the car, or a sharp change in the tone and volume of the response to pressing the gas. It is not uncommon to notice fluid leaking or even splashing from the exhaust pipe. All these are signs of malfunctions, but do they all indicate problems in the exhaust system?

Fluid in the muffler

Fluid dripping from the exhaust pipe is a common occurrence. However, it is worth distinguishing what kind of liquid it is. If it's water, there's nothing wrong with it. When the ambient temperature changes, moisture from the air condenses on the surfaces of the muffler. If a steel muffler is used, this can lead to corrosion, but usually the Priora exhaust system uses aluminized steel or stainless steel, which means that damage from water will be minimal. In cases of heavy accumulation of water, experienced motorists usually drill a drainage hole in the “barrel” of the muffler.

If there is excessive accumulation of water in the muffler, in winter you may encounter icing of the exhaust pipe

If antifreeze drips from the exhaust pipe, the fault should be looked for not in the muffler, but in the engine. The reason may be wear of the cylinder head gasket, as well as depressurization of the block itself. Antifreeze in the exhaust pipe is a symptom of serious problems, and if it is detected, you should immediately diagnose the engine.

Pops and shots from the exhaust pipe

Popping noises coming from the muffler indicate a malfunction. However, this is also a malfunction of the engine, not the exhaust system. Shots or pops from the exhaust pipe indicate that the mixture of air and gasoline does not burn out in the cylinder block, which means that when you hear them, you should check the spark plugs and spark plug wires, as well as the serviceability of the gas distribution mechanism. Problems with combustion of the mixture are not a symptom of a muffler failure, but they can be its cause.

Video: this is what pops from the muffler sound like

Knocking from under the car

A knocking sound from under the bottom of the car while driving or rattling from vibrations is an unpleasant phenomenon. The muffler may touch the gas tank or the underbody. There are several possible reasons for this.

1. First of all, check the rubber muffler hangers. Their wear leads to loosening of the entire exhaust system. These mounts are sold at most auto parts stores. Their price usually does not exceed 100 rubles per piece. Replace the suspension with new ones and the knocking will stop.
2. It is worth checking whether the clamp connecting the main muffler and the additional muffler is loose. If necessary, replace the fastening bolts and nuts. For replacement, it is best to use fasteners made of heat-resistant materials.
3. Using the wrong model of muffler with pipe bends that differ from the original spare part can lead to contact between the exhaust pipe and various components of the car: the body, the gas tank and even the suspension. Be careful when choosing a muffler.

Lowered the car - the muffler is knocking

When installing a short-travel suspension on a Priora, tuning enthusiasts often encounter a situation where the suspension beam, which has moved closer to the body, begins to touch the muffler. This problem can be solved by replacing the muffler hangers with new ones of a more suitable shape.

Loud roar at revs

If a vehicle's exhaust system loses its seal, it cannot effectively reduce the volume of exhaust emissions. In this case, the exhaust often takes on a “pseudo-sports” sound. Therefore, if the muffler growls, you should look for a gap in it. It can be on the muffler body or on the pipes. It makes sense to check the connections and their fastenings. If the metal from which the muffler is made is of low quality, the exhaust pipe may burn out due to temperature. Time, corrosion and the quality of domestic roads cause damage to the exhaust system.

Pressure and temperature can cause holes

A burnt or broken muffler is easiest to replace. If depressurization occurs at the joints, you can limit yourself to replacing the sealing ring and the necessary fasteners.

Muffler rubber for Priora VAZ 2170 yellowish polyurethane “CS-20” 04861

Trade in auto parts during the pandemic, from April 5, according to the order of the Government of the Sverdlovsk region No. 125-RP, is allowed in a limited manner with masks and gloves and periodic disinfection of the premises for customers.

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"Ekris" 1201005

Price: 1090 rubles

This muffler is heavier than the second model with index -01 due to the increased thickness of the pipes. Unfortunately, no other information about the differences between the two models could be found even on the manufacturer’s website. The packaging indicates that there are two types of mufflers: reinforced and aluminized. But it was also not possible to find any indications of which muffler model each type belongs to. There are no complaints about the appearance of the product: the bends of the pipes are smooth, the welding is done carefully. Minor comments may arise regarding the side hook-fastening - it is attached to the can only on one side and can easily bend during transportation. No warranty information available.

Replacing the muffler

The very first part of the Priora exhaust system that needs to be replaced is the muffler. It burns out faster and more often, and only after it can it get to the resonator.

In practice, for almost all car owners, the factory muffler can completely wear out up to 5-7 years or up to 100,000 km. This is considered to be a very good indicator and a completely decent service life. If you look at the exhaust parts already purchased in the store, they are unlikely to last even half the life that the factory parts lasted.

In order to change the muffler on a Priora, you will need the following tool:

1. 13 mm head
2. 13mm socket wrench
3. Ratchet or wrench
4. Penetrating lubricant
5. Hammer (as needed)

Trial

First, the geometric dimensions and thickness of the metal used were checked, and the weight of each muffler was measured.

Then a strip of metal was cut from each can, which was submitted for metallographic examination to the Volna Plant NPO to determine the content of alloying elements (in particular, aluminum), which improve the properties of the manufacturing metal.

Aluminum is used as a steel deoxidizer, and its introduction during the smelting process makes it possible to bind harmful impurities such as oxygen and nitrogen, which reduce the mechanical properties of steel.

As the results of spectral analysis showed, all test samples contained aluminum, but in the Transmaster and Transmaster AL, SDV G014 and Izhora Muffler 136018 mufflers, its amount was negligible and had virtually no effect on the properties of steel. The last two specimens, in addition, had the largest amount of harmful impurities in the form of phosphorus and sulfur.

But the AvtoVAZagregat, AvtoMuffler, Izhora Muffler 135884 and SVD GAL012 mufflers, on the contrary, additionally contained titanium, niobium and vanadium, which indicates the use of higher quality steel.

However, the durability of the muffler depends not only on the quality of the metal, but also on its thickness, as well as a good design that does not create excessive resistance. The last two parameters, alas, left out a product with insufficient metal thickness (0.75 mm) and an exhaust pipe diameter (38 mm), which will also be narrowed to 32 mm, which will inevitably lead to an increase in resistance.

Manufacturing quality is the most obvious drawback of almost all of the suppressors tested. Rough welds, rust, crooked bends and fastenings, scuffs and dents. It feels like silencers in Russia are made in concentration camps from improvised materials.

The procedure for replacing the rear muffler on a Priora with your own hands

So, it’s worth noting right away that it’s most convenient to do this repair in an inspection pit. If there are no such criteria, then you need to at least raise the back of the car with a jack.

So, we apply penetrating lubricant to all threaded connections, then wait a couple of minutes until everything has acidified!

Now we unscrew the two nuts of the coupling bolts of the clamp connecting the resonator to the Priora muffler.

After this, you need to move the clamp to the side and disconnect the exhaust part. If you cannot create this manually, you can carefully and without excessive effort hit the joint with a hammer several times.

As a result, we get the following picture.

Now the muffler remains hanging only on rubber hangers, from which it needs to be removed.

As you can see in the top photo, one rubber band is actually located at the very rear of the muffler, and the second one is closer to the support, in other words, at the other end.

After that, we completely remove the muffler from the car and replace it with a new one. Installation is done in reverse order. When performing this repair, it is best to also change the bolts and nuts, as well as the clamp itself with a new one. Closely inspect the connecting ring for damage and, if necessary, replace it with a new one.

The cost of a new muffler for a Priora can vary quite a lot, and depends on the type of production, as well as on the manufacturer. Prices may vary between 1000-2000 rubles.

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Source: priora-remont.ru