Porsche 911 (997) problems

Common Porsche 911 (997) problems

Based on the complaints from owners of the Porsche 911 (997), several common problems have been identified:

1. IMS Bearing Troubles:
   • The earliest versions of the Porsche 997 had issues with the IMS (Intermediate Shaft) bearing incorrectly installed. While most were fixed, some cars still experience this problem.
2. Over-Revving:
   • Previous owners have been known to damage the warranty and the car itself by over-revving the engine during drives. This can lead to serious engine issues and affect the overall performance of the vehicle.
3. Poor Service History:
   • Buying a used Porsche 997 requires caution regarding the service history. Well-meaning mechanics may have caused unintentional damage, impacting the car's reliability and performance.
4. Faulty Alternator Cables:
   • Some Porsche 997 models have been reported to have poor alternator cables, leading to battery troubles and reduced runtime. While replacing these cables is a relatively straightforward fix, it's essential to address this issue promptly.
5. Broken Radiators:
   • Radiators in Porsche 997 cars are prone to leakage, especially in the coolant radiators and aircon condensers located in the front of the vehicle. Leaking radiators can lead to overheating and other related issues, necessitating repairs or replacements.

These common problems highlight the importance of thorough inspections and maintenance when owning or considering purchasing a Porsche 911 (997). Addressing these issues promptly can help maintain the performance and longevity of the vehicle, ensuring a more enjoyable ownership experience.

Is the Porsche 997 reliable?

Is it a reliable car? Yes, the 997 model is hugely reliable, and a popular choice among Porsche owners. There are however good and bad 997 options, so we want you to have all of the details before proceeding.

What year 997 to avoid?

Still, there are some Porsche 997 years to avoid. We recommend staying away from the 2004, 2005, 2006, 2009, and 2011 models. These won't provide the most value for your investment. The faults in the Porsche 997 lie in the engine, cooling system, and paint on the car.

What is the problem with the 997 engine?

The most common reason for misfires is a crack in the coil packs due to them being exposed to high temperatures in their location next to the exhaust. They are likely to need to be replaced several times during the 997's life, but fortunately it is a simple and relatively inexpensive fix.

What year was 911 to avoid?

Quick answer: Avoid Porsche 911 year models 1983 and 2009

Of over 50 years of year models, there are really only two Porsche 911 models you should truly avoid: the 1983 year model and the 2009 model. The 1983 Porsche 911 reportedly has issues with broken head bolts that may pop up under 40,000 miles.