Common Issues with VAZ 21108: Troubleshooting and Preventative Maintenance

By Brian Wong, Reviewed by: Kurt Niebuhr, Updated on April 23, 2024

1. Introduction

1.1. Overview of the VAZ 21108

The VAZ 21108, also known as the Lada Priora, is a compact car produced by the Russian automaker AvtoVAZ from 2007 to 2018. It was designed as a replacement for the VAZ 2110, which had been in production since 1996.

The VAZ 21108 was available in several different trim levels, or "complectations," depending on the specific market where it was sold. These different complectations offered varying levels of equipment and features, such as air conditioning, power windows, alloy wheels, and leather seats.

The VAZ 21108 was produced with several types of engines, including a 1.6-liter petrol engine (81 hp), a 1.8-liter petrol engine (98 hp), and a 1.6-liter diesel engine (80 hp). Depending on the specific engine variant, the VAZ 21108 was equipped with different engine codes.

Early models of the VAZ 21108 (produced from 2007 to 2010) were known to have issues with engine overheating, power steering problems, and suspension failures. Mid-generation models (produced from 2011 to 2014) were prone to oil leaks, electrical issues, and transmission problems. Later models (produced from 2015 to 2018) had issues with the fuel system, exhaust system, and brake system failures.

Common issues with the VAZ 21108 also varied by complectation and engine type. For example, the Classic complectation was known for starter motor failure, clutch issues, and fuel pump problems, while the Luxe complectation had problems with ignition coil failures, alternator issues, and suspension failures. Similarly, the 1.6-liter petrol engine was prone to misfiring and rough running, oil pump failures, and timing belt issues, while the 1.8-liter petrol engine had issues with camshaft position sensor failure, throttle body malfunctions, and fuel injector problems.

Despite its issues, the VAZ 21108 remained a popular choice for drivers in Russia and other parts of Eastern Europe due to its affordability and practicality. With proper maintenance and care, many VAZ 21108s have been known to last for hundreds of thousands of kilometers.

2. Common issues by year and model

2.1. Early models (2007-2010)

2.1.1. Engine overheating

Early models of the VAZ 21108, produced from 2007 to 2010, were known to have issues with engine overheating. This was often caused by a faulty thermostat, which failed to regulate the engine's temperature properly. Other potential causes of engine overheating in the VAZ 21108 included a malfunctioning radiator fan, a clogged radiator, or a blown head gasket.

To prevent engine overheating in the VAZ 21108, regular maintenance was crucial. It was important to have the cooling system inspected and serviced regularly, including the thermostat, radiator fan, and radiator. The engine oil and coolant levels should also be checked regularly, as low levels of either could lead to overheating.

If the engine did overheat, it was important to address the issue as soon as possible to avoid further damage. Continuing to drive the car while the engine was overheating could lead to serious engine damage and costly repairs. If the issue was a faulty thermostat, it could be replaced relatively easily and inexpensively. However, if the head gasket was blown or the radiator was severely damaged, the repair costs could be much higher.

Owners of VAZ 21108s experiencing engine overheating issues should have their car inspected by a qualified mechanic as soon as possible to diagnose the issue and determine the best course of action. Regular maintenance and prompt attention to overheating issues can help extend the life of the engine and prevent costly repairs.

2.1.2. Power steering issues

Early models of the VAZ 21108, produced from 2007 to 2010, were known to have issues with the power steering system. Some drivers reported that the power steering would suddenly stop working, leaving them without the assistance needed to steer the car.

The most common cause of power steering issues in the VAZ 21108 was a faulty power steering pump or power steering fluid leak. In some cases, the power steering belt could also become loose or break, causing the system to fail.

To prevent power steering issues in the VAZ 21108, regular maintenance of the power steering system was crucial. This included checking the power steering fluid level and quality, inspecting the power steering belt for wear or damage, and checking the power steering pump for leaks or other issues.

If the power steering did fail while driving, it was important to safely pull over to the side of the road as soon as possible. Attempting to drive without power steering could be dangerous and result in loss of control of the vehicle.

Owners of VAZ 21108s experiencing power steering issues should have their car inspected by a qualified mechanic as soon as possible to diagnose the issue and determine the best course of action. In some cases, replacing the power steering pump or fixing a fluid leak could resolve the issue. However, if the power steering rack or other components were damaged, more extensive repairs could be necessary.

2.1.3. Suspension problems

Early models of the VAZ 21108, produced from 2007 to 2010, were known to have issues with the suspension system. Drivers reported that the car's suspension felt loose or unstable, especially at high speeds or when driving on rough roads.

One common cause of suspension issues in the VAZ 21108 was worn or damaged shock absorbers. The shock absorbers were responsible for absorbing the bumps and vibrations of the road, and if they were worn or damaged, they could no longer perform this function properly. Other potential causes of suspension issues included worn or damaged ball joints, tie rods, or control arms.

To prevent suspension issues in the VAZ 21108, regular maintenance was crucial. This included having the suspension system inspected regularly, checking for wear or damage to the shock absorbers, ball joints, tie rods, and control arms. Additionally, drivers could reduce the likelihood of suspension issues by avoiding rough roads and potholes whenever possible.

If drivers noticed issues with their VAZ 21108's suspension, it was important to have the car inspected by a qualified mechanic as soon as possible. Continuing to drive with worn or damaged suspension components could result in further damage to the car and potentially dangerous driving conditions.

Depending on the cause of the suspension issues, repairs could range from relatively minor to more extensive. Replacing worn shock absorbers, ball joints, or tie rods was typically a straightforward repair, while more extensive damage to the suspension system could require more significant repairs or replacements.

2.2. Mid-generation models (2011-2014)

2.2.1. Oil leaks

Mid-generation models of the VAZ 21108, produced from 2011 to 2014, were known to have issues with oil leaks. Drivers reported seeing oil spots on the ground underneath the car, as well as noticing a burning oil smell while driving.

One common cause of oil leaks in the VAZ 21108 was a faulty valve cover gasket. The valve cover gasket was responsible for sealing the valve cover to the top of the engine, and if it became worn or damaged, it could allow oil to leak out of the engine. Other potential causes of oil leaks included worn or damaged oil pan gaskets, front crankshaft seals, or rear main seals.

To prevent oil leaks in the VAZ 21108, regular maintenance was crucial. This included checking the oil level and quality regularly, inspecting the valve cover gasket and other gaskets for wear or damage, and checking for any signs of oil leaks under the car.

If drivers noticed oil leaks or a burning oil smell while driving, it was important to have the car inspected by a qualified mechanic as soon as possible. Continuing to drive with an oil leak could result in further damage to the engine and potentially costly repairs.

Depending on the cause of the oil leak, repairs could range from relatively minor to more extensive. Replacing worn or damaged gaskets or seals was typically a straightforward repair, while more significant damage to the engine could require more extensive repairs or even a complete engine replacement.

2.2.2. Electrical issues

Mid-generation models of the VAZ 21108, produced from 2011 to 2014, were known to have electrical issues. These issues ranged from minor annoyances, such as non-functional dashboard lights, to more serious problems, such as engine stalls or failure to start.

One common cause of electrical issues in the VAZ 21108 was a faulty battery or alternator. A weak or failing battery could cause issues with starting the engine or keeping the engine running, while a faulty alternator could prevent the battery from properly charging and result in a dead battery.

Other potential causes of electrical issues included faulty wiring or connectors, corroded or loose battery terminals, or a malfunctioning starter motor. In some cases, issues with the car's computer or other electronic components could also cause electrical issues.

To prevent electrical issues in the VAZ 21108, regular maintenance was important. This included checking the battery and alternator regularly for signs of wear or damage, inspecting the wiring and connectors for corrosion or damage, and ensuring that all battery terminals were clean and tight.

If drivers noticed any electrical issues with their VAZ 21108, it was important to have the car inspected by a qualified mechanic as soon as possible. Continuing to drive with electrical issues could result in further damage to the car's electrical system and potentially more costly repairs.

Depending on the cause of the electrical issue, repairs could range from relatively simple, such as replacing a battery or alternator, to more complex, such as rewiring or replacing the car's computer. In some cases, it may be necessary to replace the car's wiring harness or other electrical components to fully resolve the issue.

2.2.3. Transmission problems

Mid-generation models of the VAZ 21108, produced from 2011 to 2014, were known to have transmission problems that could result in issues with shifting, grinding gears, or failure to engage properly. These issues could be caused by a number of different factors, including problems with the transmission fluid, worn or damaged gears, or issues with the clutch.

One common cause of transmission problems in the VAZ 21108 was low or dirty transmission fluid. Over time, the fluid could become contaminated with debris or worn out, which could lead to issues with shifting and gear engagement. Regularly checking and replacing the transmission fluid was important to prevent these issues from occurring.

Another potential cause of transmission problems was worn or damaged gears. This could occur due to normal wear and tear over time, or due to issues with the clutch or other components of the transmission system. In some cases, replacing the worn or damaged gears or other transmission components could resolve the issue.

Issues with the clutch were also a common cause of transmission problems in the VAZ 21108. This could include issues with the clutch plate or other components of the clutch system. In some cases, adjustments to the clutch system could resolve the issue, while in other cases it may be necessary to replace the entire clutch system.

To prevent transmission problems in the VAZ 21108, regular maintenance was important. This included checking and replacing the transmission fluid regularly, inspecting the clutch system for wear and damage, and ensuring that all gears and other transmission components were properly lubricated and functioning properly.

If drivers noticed any transmission issues with their VAZ 21108, it was important to have the car inspected by a qualified mechanic as soon as possible. Continuing to drive with transmission problems could result in further damage to the car's transmission system and potentially more costly repairs.

Depending on the cause of the transmission issue, repairs could range from relatively simple, such as replacing the transmission fluid or making adjustments to the clutch system, to more complex, such as replacing the entire transmission system. In some cases, it may be necessary to rebuild or replace the transmission system to fully resolve the issue.

2.3. Later models (2015-2018)

2.3.1. Fuel system issues

The VAZ 21108 is known for various issues related to its fuel system, particularly in later models produced between 2015 and 2018. One of the most common issues is the failure of the fuel pump. Symptoms of a failing fuel pump include difficulty starting the engine, loss of power during acceleration, and frequent stalling. Another issue that may occur with the fuel system is clogging of the fuel injectors. This can lead to reduced engine performance, rough idling, and poor fuel efficiency.

In addition to these issues, some drivers may experience problems with the fuel tank. One common issue is the fuel tank sensor failing, which can cause the fuel gauge to give incorrect readings. This can lead to drivers running out of fuel unexpectedly. Fuel tank leaks can also occur, which can be dangerous and require immediate attention.

To prevent these fuel system issues, regular maintenance and inspections are recommended. This can include changing the fuel filter, inspecting the fuel lines for leaks or damage, and ensuring the fuel pump and injectors are functioning properly. It is also important to use high-quality fuel and to avoid running the vehicle on empty, as this can lead to sediment and debris getting into the fuel system.

If any issues with the fuel system are suspected, it is important to have them addressed promptly by a qualified mechanic. This can help prevent further damage to the vehicle and ensure safe operation on the road.

2.3.2. Exhaust system problems

The VAZ 21108 has been known to experience issues with its exhaust system, particularly in the later models produced between 2015 and 2018. One of the most common problems reported by drivers is a loud and persistent rattling or clanking noise emanating from the exhaust pipe.

In many cases, this noise is caused by a damaged or loose heat shield, which is designed to protect the exhaust system from heat generated by the engine. Over time, the heat shield can become corroded, rusted or otherwise weakened, leading to vibration and noise when the car is in motion. In some cases, the heat shield may detach completely from the exhaust pipe, which can be dangerous if it comes into contact with the road.

Another issue that can affect the exhaust system on the VAZ 21108 is a buildup of soot or debris in the muffler or catalytic converter. This can cause a reduction in performance, as well as an increase in emissions. In severe cases, a clogged muffler or catalytic converter may cause the engine to stall or misfire, which can be a safety hazard.

To address these issues, drivers may need to have the exhaust system inspected and repaired by a qualified mechanic. Depending on the severity of the problem, this may involve replacing the heat shield, cleaning out the muffler or catalytic converter, or even replacing the entire exhaust system. Regular maintenance, such as oil changes and tune-ups, can also help prevent exhaust system problems and prolong the life of the vehicle.

2.3.3. Brake system failures

The brake system is one of the most crucial safety features in any vehicle, including the VAZ 21108. Brake system failures can cause serious accidents, so it is important to address any issues promptly. In later models of the VAZ 21108, which were produced between 2015 and 2018, there were some common brake system problems reported by owners.

One issue that some drivers reported was a soft or spongy brake pedal. This can be caused by air in the brake lines, which can be remedied by bleeding the brakes. Another possible cause is a failing brake master cylinder, which can lead to a loss of brake pressure. In this case, the master cylinder will need to be replaced.

Another problem reported by some VAZ 21108 owners was uneven brake pad wear. This can be caused by a number of factors, including improper installation of the brake pads or calipers, a malfunctioning brake caliper, or a worn or damaged brake rotor. In some cases, the entire brake system may need to be replaced to address this issue.

Some drivers also reported brake noise, such as squealing or grinding. This can be caused by worn brake pads or rotors, or by debris or rust on the brake components. Replacing the brake pads and rotors, and cleaning the brake components, can usually address this issue.

Finally, some VAZ 21108 owners reported experiencing a brake pedal that was slow to return to its normal position after being pressed. This can be caused by a number of factors, including a failing brake booster, a clogged brake line, or a malfunctioning brake caliper. In some cases, the entire brake system may need to be replaced to address this issue.

As with any brake system issue, it is important to have your VAZ 21108 inspected by a qualified mechanic if you experience any of these problems. Prompt attention to brake system issues can help prevent accidents and ensure that your vehicle is safe to drive.

3. Common issues by complectation and engine type

3.1. Classic complectation

3.1.1. Starter motor failure

One of the common issues with the VAZ 21108 is the starter motor failure, particularly in the Classic complectation. The starter motor is responsible for turning over the engine, and when it fails, the engine will not start. The most common cause of starter motor failure is wear and tear over time, which can cause the motor to become less efficient and eventually stop working altogether.

Another possible cause of starter motor failure is a faulty solenoid, which is the component responsible for engaging the starter motor with the engine's flywheel. If the solenoid is not functioning properly, the starter motor may not engage at all, or it may engage intermittently, causing the engine to start sporadically.

To address starter motor failure, it is important to have a professional mechanic inspect the vehicle and diagnose the problem. In some cases, the starter motor may need to be replaced entirely. Other times, a faulty solenoid may be the issue, which can be replaced separately from the starter motor.

It is worth noting that starter motor failure can also be caused by issues with the battery, alternator, or other components of the vehicle's electrical system. Therefore, it is important to have a thorough inspection to determine the root cause of the problem before making any repairs.

3.1.2. Clutch issues

The VAZ 21108, particularly the classic complectation, is known for experiencing issues with the clutch. One of the most common issues is clutch slippage, which is often caused by worn clutch discs or pressure plates. Symptoms of a slipping clutch include difficulty in shifting gears, a loss of power, and a noticeable burning smell.

Another issue that can arise with the clutch system is clutch chatter, which can cause the clutch pedal to vibrate or chatter when it is depressed. This issue is usually caused by a damaged clutch disc or a misaligned clutch assembly. Additionally, problems with the release bearing or pilot bearing can also cause vibration or noise when engaging or disengaging the clutch.

In some cases, the clutch cable or hydraulic system can also cause issues with the clutch. If the cable or hydraulic system is damaged or not functioning properly, the clutch may not fully disengage, which can make it difficult to shift gears or cause grinding sounds.

To address these issues, it is important to have the clutch system inspected and diagnosed by a qualified mechanic. Replacement parts, such as clutch discs, pressure plates, and release bearings, may need to be replaced to restore proper clutch function. Additionally, the clutch cable or hydraulic system may also require repairs or replacement to prevent further issues with the clutch.

3.1.3. Fuel pump problems

The VAZ 21108 is known to have fuel pump issues in its classic complementation models. One of the common problems that drivers may encounter is fuel pump failure. Symptoms of this issue include difficulty starting the engine, engine stalling, and lack of power. Fuel pump failure can be caused by a variety of factors, including a clogged fuel filter, worn-out pump motor brushes, or a faulty fuel pressure regulator.

Another issue related to the fuel pump is low fuel pressure, which can lead to engine misfires, hesitation, and reduced power. This problem can be caused by a failing fuel pump or fuel pressure regulator. In some cases, a leaky fuel injector can also result in low fuel pressure.

To prevent fuel pump problems in the VAZ 21108, it is essential to perform regular maintenance, including replacing the fuel filter every 20,000 km and checking the fuel pressure regularly. If the fuel pump is suspected of being the problem, it is recommended to replace it with a high-quality replacement part to ensure the proper function of the fuel system.

Overall, fuel pump issues are a common problem in VAZ 21108 classic complementation models and can lead to severe engine problems if not addressed promptly.

3.2. Comfort complectation

3.2.1. Air conditioning malfunctions

The VAZ 21108 Comfort complectation comes equipped with air conditioning, which can be a source of problems for some owners. One common issue is a malfunctioning air conditioning compressor, which may result in reduced cooling or complete failure of the system. A faulty compressor may need to be replaced, which can be an expensive repair.

Another issue with the air conditioning system in the Comfort complectation is a leak in the refrigerant system, which can lead to reduced cooling performance. Leaks may be caused by damaged or worn-out hoses, fittings, or seals, and can often be difficult to diagnose and repair.

Some owners have also reported problems with the blower motor, which is responsible for circulating air through the cabin. A faulty blower motor may result in weak or no airflow from the vents, and may need to be replaced.

In addition to these specific issues, air conditioning systems in any vehicle require regular maintenance to keep them working properly. This includes replacing the cabin air filter, which can become clogged with debris and restrict airflow, and ensuring that the system is properly charged with refrigerant. Neglecting regular maintenance can result in reduced cooling performance and potentially more serious problems down the line.

3.2.2. Power window failures

The VAZ 21108 Comfort complectation models can experience common issues with their power windows. Some drivers may find that the power windows stop working altogether, while others may notice that the windows move slowly or make unusual noises when being operated.

One of the primary causes of power window failures in the VAZ 21108 Comfort complectation is a faulty window regulator. The regulator is responsible for moving the window up and down, and it can wear out over time or become damaged due to regular use. Additionally, the power window motor may also fail, causing the window to stop functioning properly.

Another issue that can cause power window problems is an electrical fault. If there is a problem with the wiring or the switches that control the power windows, the windows may not work at all or may exhibit unusual behavior. This can be difficult to diagnose, and it may require the help of a trained mechanic to identify and repair the issue.

In some cases, debris or dirt can accumulate in the window tracks or on the glass itself, causing the windows to become stuck or operate slowly. Regular cleaning and maintenance can help prevent these issues from occurring, but if they do occur, they can often be resolved with a thorough cleaning.

Overall, drivers of the VAZ 21108 Comfort complectation models should be aware of the potential for power window issues and should seek professional assistance if they encounter any problems with their windows.

3.2.3. Audio system issues

The Vaz 21108, particularly the Comfort complectation, is equipped with an audio system that is prone to malfunctions. The most common issues include the failure of speakers, the radio not turning on, or the audio system not producing any sound.

One possible reason for audio system failure is a blown fuse. In this case, the audio system will not work, and it's a straightforward fix by replacing the fuse. Another common issue is a malfunctioning head unit or amplifier, which requires professional repair or replacement.

Another issue with the audio system is the failure of individual speakers, which may produce distorted or no sound. This issue can be caused by blown speaker coils or wiring problems. Replacing or repairing the affected speakers is the only solution.

In some cases, the radio may not turn on due to a blown fuse or faulty wiring, while in others, the problem may be with the head unit. It is also essential to check the antenna, which may be loose or damaged.

To prevent audio system issues, it's essential to ensure that the system is properly maintained and regularly checked for faults. Also, avoid overloading the system, which may cause damage or reduce its lifespan.

3.3. Luxe complectation

3.3.1. Ignition coil failures

The Vaz 21108, especially the Luxe complectation, can experience issues with ignition coil failures. This component is responsible for generating the spark needed to ignite the fuel in the engine's combustion chamber. If it fails, the engine may misfire, run rough, and lose power, among other symptoms.

The ignition coil failures in the Vaz 21108 are often caused by heat and age, as well as electrical issues. Over time, the coil's insulation may break down, causing it to short out and fail. Electrical issues, such as a faulty spark plug or wiring, can also cause the ignition coil to fail prematurely.

If you experience any symptoms of an ignition coil failure, such as a rough idle or reduced power, it's essential to have your Vaz 21108 inspected by a qualified mechanic. Ignoring the problem can lead to more significant engine issues, such as damaged spark plugs, catalytic converters, and even engine failure.

Regular maintenance, such as changing the spark plugs and ignition coils at the manufacturer's recommended intervals, can help prevent ignition coil failures in your Vaz 21108. Additionally, it's crucial to have your vehicle inspected by a qualified mechanic at the first sign of any issues to prevent more significant problems from developing.

3.3.2. Alternator problems

The Vaz 21108, also known as the Lada Samara, is a compact car that was manufactured by Russian automaker AvtoVAZ from 1984 to 2013. One of the common issues faced by the Vaz 21108, specifically in the Luxe complectation, is alternator problems.

The alternator is responsible for generating electrical power for the car's electrical system and charging the battery. Over time, the alternator can develop faults that can cause problems such as a weak or dead battery, dimming lights, and electrical component failure.

In the Luxe complectation of the Vaz 21108, some drivers have reported issues with the alternator failing prematurely or not functioning at full capacity. This can be due to a variety of factors, including poor quality components, manufacturing defects, or general wear and tear.

Symptoms of alternator problems in the Vaz 21108 Luxe complectation can include a warning light on the dashboard, a whining noise from the engine, dimming or flickering lights, difficulty starting the car, and even complete electrical failure.

To prevent alternator problems, it is essential to ensure that the vehicle's electrical system is regularly inspected and serviced. Regular maintenance can help to identify potential issues before they become more severe and costly to repair. Additionally, it is important to use high-quality parts and components when replacing or repairing the alternator to avoid future issues.

If an alternator problem is suspected in a Vaz 21108 Luxe complectation, it is essential to have the car inspected by a qualified mechanic as soon as possible. Prompt attention to the issue can help to avoid further damage to the vehicle and prevent more costly repairs down the line.

3.3.3. Suspension failures

The suspension system of the VAZ 21108 can experience various problems, especially in the Luxe complectation models. One common issue is the failure of shock absorbers. Over time, the shocks may become worn or damaged, resulting in reduced stability, bouncing, or noise. This can make the car uncomfortable to drive, and it may become difficult to control, especially at high speeds. Additionally, the suspension springs may become weak or break, causing the car to sag or lean to one side.

Another common issue in the suspension system is the failure of the ball joints. The ball joints connect the suspension to the wheels and allow them to move up and down. When these joints fail, the suspension may become loose, and the wheels may wobble or shake while driving. This can be dangerous and cause the driver to lose control of the vehicle.

In some cases, the strut mounts may also fail, resulting in noise, vibration, and poor handling. The strut mounts hold the shock absorber in place and allow it to pivot as the wheels move. If the mounts fail, the shock absorber may become loose, causing it to rattle and make noise while driving.

Lastly, the control arm bushings may also experience problems, especially in the Luxe complectation models. The control arm bushings connect the control arms to the car's frame and allow them to move up and down with the suspension. If the bushings become worn or damaged, the suspension may become loose, causing noise, vibration, and poor handling. Additionally, the car may experience uneven tire wear, which can be costly to repair.

3.4. Engine types

3.4.1. 1.6-liter petrol engine

The VAZ 21108 is equipped with a 1.6-liter petrol engine that has been used in various models of the VAZ lineup. This engine is known for its durability and reliability, but it still has some common issues that are worth noting.

One common problem with the 1.6-liter petrol engine is oil consumption. This can be caused by worn piston rings or valve seals, leading to oil leaking into the combustion chamber and burning off. This issue can be identified by checking the oil level regularly and adding oil as needed.

Another issue is the timing belt tensioner, which can wear out over time and cause the timing belt to slip or even break. This can cause major engine damage, so it is important to replace the timing belt and tensioner at the recommended intervals.

The 1.6-liter petrol engine is also prone to overheating, which can be caused by a malfunctioning cooling system or a faulty thermostat. This issue can lead to engine damage and should be addressed promptly.

Additionally, the engine may develop a misfire, which can be caused by a faulty ignition coil or spark plug. This can result in poor engine performance and reduced fuel efficiency.

Overall, while the 1.6-liter petrol engine in the VAZ 21108 is generally reliable, it is important to address any issues promptly to prevent further damage and ensure the longevity of the engine. Regular maintenance, including oil changes and timing belt replacements, is also key to keeping the engine running smoothly.

3.4.2. 1.8-liter petrol engine

The VAZ 21108 is equipped with a 1.8-liter petrol engine that has been used in various models. While this engine is generally considered to be reliable, it is not without its common issues. One of the most frequent problems with this engine is oil leaks, which can occur in the oil pan gasket, valve cover gasket, or crankshaft seal. If not addressed promptly, oil leaks can lead to low oil levels and engine damage.

Another common issue with the 1.8-liter engine is related to the timing belt. It is recommended to replace the timing belt every 60,000 to 90,000 miles, depending on driving conditions. If the timing belt fails, it can cause significant engine damage, which can be expensive to repair.

Another issue with this engine is related to the cooling system. The thermostat can become stuck or fail to open, which can cause the engine to overheat. If not addressed, this can lead to engine damage or failure.

Additionally, the 1.8-liter engine may experience issues with the fuel system, such as clogged fuel injectors or a failing fuel pump. These issues can lead to poor fuel economy, decreased performance, and even engine failure.

Overall, while the 1.8-liter engine used in the VAZ 21108 is generally reliable, it is not immune to common issues that can arise over time. Regular maintenance and prompt attention to any issues that arise can help keep the engine running smoothly for years to come.

3.4.3. 1.6-liter diesel engine

The VAZ 21108 model is also available with a 1.6-liter diesel engine, which has its own set of common issues based on complectation and engine type. One of the most common issues with this engine is related to the fuel system, specifically the fuel injectors. Over time, the injectors may become clogged or fail to open and close properly, which can result in poor fuel efficiency, reduced power, and even engine misfires.

Another common issue with the 1.6-liter diesel engine is related to the turbocharger. In some cases, the turbocharger may fail prematurely, resulting in reduced power and poor performance. This can be caused by a variety of factors, including oil starvation, a worn or damaged turbo bearing, or excessive heat or pressure.

In addition to these issues, the 1.6-liter diesel engine may also be prone to problems with the cooling system. Specifically, the engine may be susceptible to overheating due to a malfunctioning radiator, thermostat, or water pump. This can cause serious damage to the engine if left unchecked, and may result in costly repairs.

Other common issues with the 1.6-liter diesel engine include issues with the timing belt and tensioner, which can result in engine damage if they fail, and problems with the engine's electrical system, such as a failing alternator or starter motor. As with any engine, proper maintenance and care can go a long way in preventing these issues from occurring, but they are still common problems that owners of the VAZ 21108 with a 1.6-liter diesel engine should be aware of.

4. Conclusion

4.1. Summary of common issues with the VAZ 21108

The VAZ 21108, also known as the Lada Priora, has had its fair share of common issues across different complectations and engine types. Some of the most common issues with this car include problems with the exhaust system, brake system, starter motor, clutch, fuel pump, air conditioning, power windows, audio system, ignition coil, alternator, and suspension.

The exhaust system has been known to rust and corrode over time, causing leaks and potentially harmful emissions. Brake system failures can also occur, particularly with the classic complectation models. Starter motor failure is another common issue with these cars, which can cause difficulty starting the engine. Clutch problems have been reported with classic complectation models, and fuel pump issues have been known to occur as well.

Air conditioning malfunctions have been reported in comfort complectation models, along with power window failures and audio system issues. Luxe complectation models have had issues with the ignition coil, which can lead to engine misfires and reduced performance. Alternator problems have also been reported with these models, along with suspension failures.

Overall, while the VAZ 21108 can be a reliable and affordable car, it is important for owners to be aware of these common issues and take proper maintenance measures to prevent them from occurring.

Example List of VAZ 21108 Engine Error Codes and Descriptions

FAQ: Common Issues with VAZ 21108 and Troubleshooting Tips

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