If you want a luxury SUV that goes fast and handles well on and off the road, then the Porsche Cayenne is for you. It boasts great engine power and agility that is almost on par with that of a sports car. Of course, it also has breakdowns like all cars, so it is important that you know the common faults of the Porsche Cayenne .
Its newer models come with state-of-the-art infotainment and security systems, while older units can be good deals. After all, it is reported to only depreciate 53% after five years.
How good is the Porsche Cayenne?
The Porsche Cayenne is considered below average in terms of reliability. A reliability rating of 1.5 out of 5.0 was given to the Porsche Cayenne, putting it last out of 14 mid-size luxury SUVs.
The Cayenne has a low cost of ownership, needing repairs more often than other SUVs. It also tends to develop serious problems that are costly to fix. Despite the vehicle’s low reliability score, many Cayenne drivers on the forums have rave reviews of their SUVs.
No matter the model year, your Cayenne can last well beyond its useful life if you take good care of it. Follow the maintenance schedule and never neglect Porsche Cayenne parts when they start to malfunction.
Common faults of the Porsche Cayenne
The Porsche Cayenne has enjoyed continuous production since 2002 and is now in its third generation. However, some of its model years have turned out to be less reliable than others. Depending on the specific year, certain problems may appear more frequently.
A comparison of model years conducted by surveys showed that the highest number of complaints were for the 2011 Porsche Cayenne. However, the site ranked the 2004 Cayenne as the worst model year because it has issues that appear earlier than normal. Most of them cause serious damage that requires expensive repairs.
Here are the common Porsche Cayenne failures that your SUV can develop:
1- Problems in the cooling system
Like other first generation (2003-2010) Porsche Cayennes, the 2004 model year does not lack engine power. Its powerful engine requires an efficient cooling system to prevent it from overheating.
Unfortunately, some drivers of the 2004 Porsche Cayenne have complained that their plastic coolant lines could not withstand the high temperatures. These pipelines are located above the starter, and pass through the engine.
An extremely hot engine can melt the plastic and cause the tube to fracture and leak. The consequent loss of coolant will make the engine much more prone to overheating and damage. And if the coolant leaks to the starter, it can damage the ignition part.
Replacing the plastic refrigerant tubes with heat resistant aluminum tubes usually solves this problem. If you are thinking of buying a second-hand Porsche Cayenne, always check the cooling system to see if it has plastic or aluminum tubes.
Similar problems may arise in other model years. Both the 2006 and 2013 Porsche Cayenne also received several complaints about their plastic cooling tubes melting and leaking coolant.
2- Transmission problems
The transmission in the Porsche Cayenne transports the power generated by the engine to the drive wheels. When the transfer case, driveshafts, or other powertrain parts fail, vehicle movements can become erratic and uncontrollable.
Several drivers have reported that the transfer case on the 2012 Porsche Cayenne can break without warning. Replacing it is expensive, and the new part can also break down later and require another replacement.
Another possible problem seen on some units is the driveshaft on the 2004 Porsche Cayenne losing its center carrier bearing. It doesn’t matter if the rest of the driveshaft is fine; once the bearing is gone, the entire part becomes useless and must be replaced.
Several 2008 Cayenne owners reported that the driveshaft failed with only 30,000 miles on it. This problem can make your SUVs dangerous to drive. When accelerating the vehicle, the faulty propshaft squealed, shook, and squealed loudly. Most owners have fixed the problem with an engine overhaul.
3- Engine problems
The Porsche Cayenne received an extensive redesign in 2011. As the first representative of a new generation, many of its units had problems with their engine and other crucial parts. Placing the faulty drive shaft.
Several 2011 Porsche Cayenne owners have raised complaints about the engine dying while driving. Sometimes the check engine light would come on to warn them that something had gone wrong. This is usually followed by a loud noise from the motor for several minutes before it fails for good. If the engine dies before the driver can move the Cayenne out of traffic, the loss of power could lead to an accident.
Other engine problems can arise in various Porsche Cayennes. Several owners of the 2010 model year have complained that the SUV’s engine was often shutting down abruptly. There was no warning of any kind. Some of them also reported that the steering wheel locked up and moved uncontrollably.
Familiarize yourself with the problems that may appear in the model year Cayenne that you own or plan to purchase. Learn about parts that can fail prematurely and the best way to fix them. With timely repairs and maintenance, you can improve the reliability of your Porsche Cayenne.