Problems with the Peugeot RCZ
Reliability Peugeot RCZ: common problems, issues symptoms and faults
- Timing chain problems with the 1.6 200 THP engine: The timing chain of the 200 hp THP engine shows the first signs of wear from 80.000-120.000 km. The characteristic rattling during cold starts indicates a stretched timing chain, which can lead to costly engine damage if left untreated.
- Heater does not heat up - thermostat defects: The problem of the heater not getting warm occurs particularly in models from 2012 onwards. This usually manifests itself between 60.000-100.000 km and is often due to a defective thermostat or problems in the cooling circuit.
- Air conditioning does not cool - compressor failures: The air conditioning system typically loses its cooling capacity after 80.000-150.000 km. The compressor begins to show signs of weakness, which is noticeable in the form of decreasing cooling capacity and unusual noises.
- Engine won't start - starting problems with the HDI diesel: The 156 hp HDI diesel exhibits starting problems from around 100.000 km, particularly in the winter months. Defective glow plugs or problems with the fuel supply are the most common causes of these breakdowns.
Peugeot RCZ: Problems with the timing chain in the 1.6 200 THP engine
The timing chain of the 1.6 200 THP engine is considered one of the most critical weak points of the Peugeot RCZ. The first symptoms can occur from a mileage of just 80.000 km and are manifested by a characteristic rattling noise when starting cold. The 200 hp engine typically shows clear signs of wear on the timing chain between 100.000-150.000 km, whereby untreated problems can lead to serious engine damage. The reliability of the entire drive depends largely on the timely maintenance of this critical component. Advanced stretching of the chain can result in valve damage, requiring a complete engine overhaul and significantly affecting the life of the vehicle.
Regular maintenance is essential for the longevity of the engine. The sensitive Peugeot RCZ timing chain tensioners require special attention and should be checked at the first sign of noise. Diagnosis is carried out by visually inspecting the chain, measuring the chain tension and checking the tensioner function. Timely replacement of the timing chain including tensioner and guide rails prevents costly consequential damage and ensures optimum engine performance over many more kilometers.
Peugeot RCZ: Problems with the heating - thermostat and cooling system defects
The problem "heater does not get warm" occurs particularly frequently in the Peugeot RCZ in vehicles built from 2012 onwards. The symptoms usually appear between 60.000-100.000 km mileage and are manifested by insufficient heat development in the interior, even after long journeys. The thermostat does not work properly and often gets stuck in the open position, preventing the coolant from reaching the required operating temperature. These faults not only lead to a loss of comfort, but can also affect the service life of the engine, as the optimum temperature range is not reached. In addition, air bubbles in the cooling system or a defective water pump can exacerbate the problems.
A systematic check is crucial for the correct diagnosis of the problem. The complex Peugeot RCZ cooling systems require professional bleeding and inspection of all components, including the thermostat, water pump and coolant temperature sensor. The repair begins with the replacement of the thermostat, followed by a thorough bleeding of the system. In the case of persistent problems, it may also be necessary to flush the cooling system or replace the water pump to restore full functionality.
Peugeot RCZ: Problems with the air conditioning system - compressor and refrigerant leaks
The air conditioning system of the Peugeot RCZ typically shows its first weaknesses after 80.000-150.000 km, with the most common complaint being "air conditioning not cooling". The compressor gradually loses its efficiency, which is initially noticeable in the form of reduced cooling performance at high outside temperatures. In addition, leaking condensers or evaporators can lead to a continuous loss of refrigerant, which impairs the efficiency of the entire system. Electronic components such as the air conditioning compressor control can also fail and lead to complete system breakdowns. The reliability of the air conditioning system depends heavily on regular maintenance and the timely replacement of wearing parts.
Professional maintenance is essential for the proper functioning of the air conditioning system. The sensitive Peugeot RCZ air conditioning compressors require regular checks of the refrigerant level and seals to prevent premature failure. The diagnosis includes a pressure test of the system, a check of the electrical connections and a visual inspection of all lines for leaks. Compressor defects often require a complete replacement, while refrigerant leaks must first be localized and sealed.
Peugeot RCZ: Starting problems with HDI diesel - engine won't start
The 156 hp HDI diesel of the Peugeot RCZ shows starting problems, especially in the cold months, which typically occur after 100.000 km. The main symptom "engine won't start" manifests itself in prolonged starting times or complete refusal to start, especially at temperatures below 5°C. The glow plugs lose their effectiveness and can begin to show signs of weakness as early as 80.000 km, while fuel delivery can be impaired by clogged filters or a weakening high-pressure pump. Problems with the battery or starter motor can also exacerbate starting problems. These breakdowns often occur without warning and can cause considerable inconvenience, especially if the vehicle won't start.
A professional inspection is essential for the correct diagnosis of starting problems. The temperature-sensitive Peugeot RCZ HDI glow plugs require regular checks and should be replaced every 100.000 km as a preventive measure. The systematic check includes measuring the glow plug resistance, checking the fuel delivery, checking the battery voltage and diagnosing the engine control unit. Timely replacement of defective glow plugs and regular maintenance of the fuel system can prevent most starting problems and significantly improve the reliability of the diesel engine.
Peugeot RCZ: Problems with the camshaft - wear and bearing damage
The camshaft of the Peugeot RCZ shows signs of wear, especially in high-load engines such as the 200 THP, which typically become noticeable between 120.000-180.000 km. Unusual engine noises, particularly a metallic rattling in the upper rev range, indicate problems with the camshaft bearings. Wear is accelerated by inadequate lubrication or the use of inferior engine oils, which leads to a reduced service life of the entire valve train. With advanced wear, the valves can no longer open and close correctly, leading to a loss of power and increased fuel consumption. Untreated camshaft problems can cause serious engine damage and significantly affect the reliability of the vehicle.
Regular maintenance is critical to the longevity of the camshaft. The precision Peugeot RCZ camshaft bearings require high quality engine oil and regular oil changes every 15,000 km or annually to ensure optimum lubrication. Diagnosis is carried out by analyzing the engine noise, checking the valve clearance and, if necessary, an endoscopic examination of the camshaft bearings. At the first signs of wear, the engine oil should be changed more frequently and high-quality additives should be used to prevent further damage and extend the service life of the camshaft.
Additional common defects of the Peugeot RCZ
Based on the experience of Peugeot RCZ owners, the following additional problems occur:
- Turbocharger defects on the 200 THP: Typically occur after 150.000-200.000 km, often caused by oil carbon deposits or defective guide vanes.
- Clutch problems: Usually show up between 80.000-120.000 km, especially with a sporty driving style due to premature wear of the clutch disk.
- Electronic roof problems: The folding roof can show malfunctions from 60.000 km, often due to defective motors or sensors in the roof mechanism.
- Fuel pump failures: Occur mainly after 100.000-150.000 km, recognizable by starting problems and irregular engine running.
- Xenon headlight problems: The ballasts can fail after as little as 50.000-80.000 km, resulting in light failure.
- Chassis wear: Shock absorbers and springs show their first signs of weakness after 60.000-100.000 km of sporty use.
Peugeot RCZ: weaknesses and strengths
| Strengths |
Weak points |
| Sporty design |
Timing chain problems with the THP engine |
| Strong engine power (200 hp) |
Heating problems from 60.000 km |
| Good road holding |
Air conditioning failures |
| High-quality workmanship |
Starting problems with the HDI diesel |
| Folding roof functionality |
Camshaft wear |
| Modern electronics |
Electronic roof problems |
| Attractive resale value |
Turbocharger defects |
The Peugeot RCZ presents itself as a sporty and attractive sports car, but it has specific weak points that require regular attention. In particular, the timing chain of the 200 THP engine and the heating/cooling systems require preventive maintenance. However, with the right care and timely repairs, the RCZ can achieve a satisfactory longevity and give its owners many years of driving pleasure.
29 September 2025 (updated) 
