JAC S5 Issues: A Comprehensive Guide

By Brian Wong, Reviewed by: Kurt Niebuhr, Updated on April 24, 2024

1. Introduction

JAC S5 is a compact crossover SUV that has been in production since 2013. It is one of the popular models of JAC Motors, a Chinese car manufacturer. The S5 is known for its sleek and modern design, as well as its spacious and comfortable interior.

The JAC S5 comes with different engine options depending on the market, including a 1.5-liter or a 2.0-liter gasoline engine, a diesel engine, or an electric powertrain. The engine is paired with either a six-speed manual or a continuously variable transmission (CVT).

The S5 is also equipped with advanced safety features, such as ABS, EBD, TCS, and ESP, as well as airbags for the driver and passengers. It also comes with an infotainment system that includes a touchscreen display, Bluetooth connectivity, and a sound system.

One of the notable features of the JAC S5 is its spacious interior, which offers ample legroom and headroom for both front and rear passengers. The seats are comfortable, and the rear seats can be folded down to increase cargo space. The S5 also offers a panoramic sunroof, which gives the cabin a more airy feel.

While the JAC S5 is generally a reliable car, there have been some reported issues with certain models and model years. For example, some early models of the S5 have had problems with power loss and engine overheating. Other reported issues include fuel efficiency problems, electrical problems, and brake system issues.

To avoid potential issues with the JAC S5, it is important to follow the manufacturer's recommended maintenance schedule and address any issues promptly. Regular oil changes, tire rotations, and brake inspections can go a long way in keeping the car running smoothly. It is also a good idea to have the car inspected by a qualified mechanic before purchasing it, especially if buying a used JAC S5.

2. Common Problems by Year Range

2.1. JAC S5 2013-2015

JAC S5 models produced from 2013 to 2015 have reported several issues that owners should be aware of. One common problem is power loss, which can be caused by a variety of factors, including a clogged air filter or a malfunctioning oxygen sensor. Engine overheating is another issue that has been reported with early models of the S5. This can be caused by a malfunctioning radiator fan, a damaged water pump, or a leak in the cooling system.

Another common problem with early JAC S5 models is suspension issues, which can result in a bumpy or uncomfortable ride. This can be caused by worn-out shock absorbers or damaged suspension components, such as control arms or ball joints.

To avoid these issues, it is important to follow the manufacturer's recommended maintenance schedule and have the car inspected by a qualified mechanic regularly. It is also important to address any issues promptly to prevent them from becoming more serious problems.

If you are considering purchasing a used JAC S5 produced from 2013 to 2015, it is important to have the car thoroughly inspected by a qualified mechanic. They can check for potential issues with the powertrain, suspension, and cooling system, and advise you on any necessary repairs or maintenance. It is also important to review the car's maintenance history and check for any signs of neglect or lack of regular maintenance. By taking these steps, you can avoid potential issues with the JAC S5 and enjoy a reliable and comfortable ride.

2.2. JAC S5 2016-2018

JAC S5 models produced from 2016 to 2018 have reported several issues that owners should be aware of. One common problem is with the fuel system, where the fuel pump may fail prematurely. This can cause the engine to stall or prevent the car from starting altogether.

Another issue that has been reported with JAC S5 models produced from 2016 to 2018 is with the air conditioning system. Some owners have reported that the air conditioning unit does not cool the cabin adequately, even after being serviced by a qualified mechanic. This can be caused by a variety of factors, including a refrigerant leak, a malfunctioning compressor, or a faulty evaporator.

Some JAC S5 models from this year range have also been reported to have issues with the electrical system. This can result in problems with the power windows, door locks, and other features that rely on electrical power. This can be caused by a damaged fuse or relay, a malfunctioning switch, or a damaged wiring harness.

To prevent these issues, it is important to follow the manufacturer's recommended maintenance schedule and have the car inspected by a qualified mechanic regularly. Regular maintenance can help to prevent premature wear and tear on components, including the fuel pump and air conditioning system. It is also important to address any issues promptly to prevent them from becoming more serious problems.

If you are considering purchasing a used JAC S5 produced from 2016 to 2018, it is important to have the car inspected by a qualified mechanic. They can check for potential issues with the fuel system, air conditioning, and electrical system, and advise you on any necessary repairs or maintenance. It is also important to review the car's maintenance history and check for any signs of neglect or lack of regular maintenance. By taking these steps, you can avoid potential issues with the JAC S5 and enjoy a reliable and comfortable ride.

2.3. JAC S5 2019-2021

JAC S5 models produced from 2019 to 2021 have reported several issues that owners should be aware of. One common problem with these models is the transmission, where some owners have reported issues with the automatic transmission not shifting smoothly or hesitating during acceleration. This can be caused by a malfunctioning solenoid or a damaged valve body.

Another issue that has been reported with JAC S5 models produced from 2019 to 2021 is with the infotainment system. Some owners have reported that the screen freezes or goes blank, or that the system does not respond to input from the touch screen or physical buttons. This can be caused by a software issue or a malfunctioning component within the system.

Some JAC S5 models from this year range have also been reported to have issues with the exterior paint quality. Some owners have reported that the paint chips or scratches easily, or that the clear coat is prone to peeling. This can be caused by poor quality paint or inadequate preparation of the surface before painting.

To avoid these issues, it is important to follow the manufacturer's recommended maintenance schedule and have the car inspected by a qualified mechanic regularly. It is also important to address any issues promptly to prevent them from becoming more serious problems.

If you are considering purchasing a used JAC S5 produced from 2019 to 2021, it is important to have the car thoroughly inspected by a qualified mechanic. They can check for potential issues with the transmission, infotainment system, and paint quality, and advise you on any necessary repairs or maintenance. It is also important to review the car's maintenance history and check for any signs of neglect or lack of regular maintenance. By taking these steps, you can avoid potential issues with the JAC S5 and enjoy a reliable and comfortable ride.

3. Problems by Engine Type

3.1. 1.5-liter gasoline engine

JAC S5 models equipped with the 1.5-liter gasoline engine have reported a few problems that owners should be aware of. One common issue with this engine is related to the timing chain. Some owners have reported a rattling noise coming from the engine, which can be caused by a worn or loose timing chain. This issue can be addressed by replacing the timing chain or tensioner.

Another reported issue with the 1.5-liter engine is related to the throttle body. Some owners have reported a hesitation or loss of power when accelerating, which can be caused by a malfunctioning throttle body. This issue can be resolved by cleaning or replacing the throttle body.

In addition to these issues, some JAC S5 models equipped with the 1.5-liter engine have reported a rough idle or stalling. This can be caused by a variety of issues, such as a dirty air filter, faulty spark plugs, or a malfunctioning mass airflow sensor.

To prevent these issues, it is important to follow the manufacturer's recommended maintenance schedule and have the car inspected by a qualified mechanic regularly. It is also important to address any issues promptly to prevent them from becoming more serious problems.

If you are considering purchasing a used JAC S5 with the 1.5-liter gasoline engine, it is important to have the car thoroughly inspected by a qualified mechanic. They can check for potential issues with the timing chain, throttle body, and other components, and advise you on any necessary repairs or maintenance. It is also important to review the car's maintenance history and check for any signs of neglect or lack of regular maintenance. By taking these steps, you can avoid potential issues with the JAC S5 and enjoy a reliable and efficient ride.

3.2. 2.0-liter gasoline engine

JAC S5 models equipped with the 2.0-liter gasoline engine have also reported a few issues that owners should be aware of. One common problem with this engine is related to the fuel injectors. Some owners have reported misfires or rough idling caused by clogged or malfunctioning fuel injectors. This issue can be resolved by cleaning or replacing the fuel injectors.

Another issue reported by some JAC S5 owners with the 2.0-liter engine is related to the valve cover gasket. Over time, the gasket can become worn or damaged, leading to oil leaks. This issue can be resolved by replacing the valve cover gasket.

In addition, some JAC S5 models with the 2.0-liter engine have reported a loss of power or rough shifting from the transmission. This can be caused by a variety of issues, such as a low transmission fluid level or a malfunctioning transmission control module. In some cases, the transmission may need to be rebuilt or replaced.

To prevent these issues, it is important to follow the manufacturer's recommended maintenance schedule and have the car inspected by a qualified mechanic regularly. It is also important to address any issues promptly to prevent them from becoming more serious problems.

If you are considering purchasing a used JAC S5 with the 2.0-liter gasoline engine, it is important to have the car thoroughly inspected by a qualified mechanic. They can check for potential issues with the fuel injectors, valve cover gasket, transmission, and other components, and advise you on any necessary repairs or maintenance. It is also important to review the car's maintenance history and check for any signs of neglect or lack of regular maintenance. By taking these steps, you can avoid potential issues with the JAC S5 and enjoy a reliable and efficient ride.

4. Common Issues by Trim Level

4.1. Standard Model

The JAC S5 Standard Model is the base trim level and is equipped with a range of standard features. While the model is generally reliable, there have been some common issues reported by owners. One of the most common issues is related to the exterior design of the car. Some owners have reported that the exterior paint chips easily, which can lead to rusting over time. This can be prevented by regularly washing the car and applying a protective wax coating.

Another issue that has been reported by some owners of the JAC S5 Standard Model is related to the car's suspension system. Some owners have reported that the suspension is too firm, which can lead to a bumpy ride and discomfort for passengers. This can be addressed by replacing the suspension with a more comfortable option or by installing shock absorbers to improve ride quality.

Additionally, some owners have reported issues with the car's electrical system, particularly with the car's battery. Some owners have reported that the battery drains quickly or that the car won't start, even with a new battery. This can be caused by a faulty alternator, which should be replaced as soon as possible to avoid further issues.

To avoid these issues, it is important to follow the manufacturer's recommended maintenance schedule and have the car inspected regularly by a qualified mechanic. Regular maintenance can help prevent issues with the car's suspension, electrical system, and other components. It is also important to address any issues promptly to prevent them from becoming more serious problems.

If you are considering purchasing a used JAC S5 Standard Model, it is important to have the car inspected thoroughly by a qualified mechanic. They can check for potential issues with the car's suspension, electrical system, and other components and advise you on any necessary repairs or maintenance. It is also important to review the car's maintenance history and check for any signs of neglect or lack of regular maintenance. By taking these steps, you can avoid potential issues with the JAC S5 and enjoy a reliable and comfortable ride.

4.2. Comfort Model

The JAC S5 Comfort Model is a higher-end trim level that comes equipped with additional comfort features such as leather upholstery, a larger touchscreen display, and a sunroof. While the model is generally reliable, there have been some common issues reported by owners.

One of the most common issues reported by owners of the JAC S5 Comfort Model is related to the car's transmission. Some owners have reported that the transmission can be slow to shift, leading to a jerky ride and decreased fuel efficiency. This can be addressed by having the transmission fluid flushed and replaced or by replacing the transmission with a newer model.

Another issue that has been reported by some owners of the JAC S5 Comfort Model is related to the car's air conditioning system. Some owners have reported that the system is not as effective as it should be, especially during hot weather. This can be caused by a variety of factors, including a clogged air filter or a refrigerant leak. Regular maintenance and inspections can help prevent these issues from occurring.

Additionally, some owners have reported issues with the car's electronic features, particularly with the touchscreen display. Some owners have reported that the display can be slow to respond or that it freezes up altogether. This can be caused by a software glitch or a faulty display unit, which should be replaced by a qualified technician.

To avoid these issues, it is important to follow the manufacturer's recommended maintenance schedule and have the car inspected regularly by a qualified mechanic. Regular maintenance can help prevent issues with the car's transmission, air conditioning system, and other components. It is also important to address any issues promptly to prevent them from becoming more serious problems.

If you are considering purchasing a used JAC S5 Comfort Model, it is important to have the car inspected thoroughly by a qualified mechanic. They can check for potential issues with the car's transmission, air conditioning system, and electronic features and advise you on any necessary repairs or maintenance. It is also important to review the car's maintenance history and check for any signs of neglect or lack of regular maintenance. By taking these steps, you can avoid potential issues with the JAC S5 Comfort Model and enjoy a comfortable and reliable ride.

4.3. Elite Model

The Elite model of the JAC S5 is the highest trim level available and comes with additional features and amenities. However, like any vehicle, it can also experience some common issues.

One of the common problems reported with the Elite model is related to the suspension system. Some drivers have experienced a noisy suspension that can be heard when driving over uneven surfaces. This could be due to worn-out suspension components or inadequate lubrication, and it is important to address the issue promptly to prevent further damage to the vehicle.

Another issue reported with the Elite model is related to the infotainment system. Some drivers have experienced a blank or unresponsive touchscreen display, which could be due to a software malfunction or a loose connection. In some cases, a simple reset of the system may solve the problem, while in others, a software update or replacement of the unit may be necessary.

In addition, some drivers have reported issues with the power windows in the Elite model. Some have experienced slow or jerky movement, while others have had issues with the window becoming stuck in the open or closed position. This could be due to a faulty window regulator or motor and may require replacement of the affected component.

Overall, while the Elite model of the JAC S5 is designed to provide a high level of comfort and convenience, it is important to be aware of these common issues and address them promptly to ensure the longevity and reliability of the vehicle.

5. Conclusion

In conclusion, the JAC S5 is a compact SUV that has gained popularity in the Chinese market and in other countries around the world. While the vehicle has its strengths, such as its modern design, spacious interior, and affordable price, it also has some common issues that owners should be aware of.

These issues can vary depending on the year range, engine type, and trim level of the vehicle. Some common problems include engine issues, such as overheating, oil leaks, and reduced power, as well as transmission problems, such as jerking and hesitation. Electrical issues, such as malfunctioning power windows and warning lights, have also been reported.

To avoid these problems, it is important to maintain the vehicle properly by adhering to the recommended maintenance schedule, checking the oil and other fluid levels regularly, and taking care of any issues as soon as they arise. It is also recommended to purchase the vehicle from a reputable dealer and to take it for a test drive before making the purchase.

Overall, while the JAC S5 may have some common issues, it is still a reliable and practical choice for those in the market for a compact SUV.

Example List of JAC S5 Engine Error Codes and Descriptions

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