Can a Porsche Cayenne have a prophaft failure?
Anyone interested in buying a Porsche Cayenne who’s been researching their purchase via forums is forgiven for massive paranoia regarding propshaft failures. The truth is that propshaft or cardan shaft failure is going to happen to any Cayenne you buy. Propshafts or driveshafts are maintenance items on any vehicle: especially 2-tonne 4wd SUVs.
Why is my Porsche Cayenne making a clunking noise?
The Cayenne is infamous for a noisy drive shaft accompanied by clunking sounds on acceleration or when switching gears. This is usually caused by a failure in the driveshaft support bearing. The driveshaft runs down the center of the car and connects the transmission to the rear differential.
What can I do about my Porsche Cayenne transmission?
Technicians at Porsche not trained to dissect the transmission and make repairs. Typically, they just replace the transmission. The components such as the Transmission Control Module (TCM) and the Mechatronic Unit inside the transmission are often unavailable as replacement parts.
Why does my Porsche Cayenne Jerk when I change gears?
Sometimes, this can also show up as jerking when the PDK is going through 2nd to 3rd gear changes and accelerating between 30-50mph. The problem stems from the transfer case in the four-wheel drive system and is a regularly reported issue.
What should I do about my Porsche Cayenne driveshaft support?
The factory fix for the support is to remove the driveshaft from the car, disassemble it and use a new center support (with the same rubber centered design) when reassembling it. EPS has devised a solution that does not require driveshaft removal, and does a better job of supporting the driveshaft.
What’s the problem with the propshaft on a Porsche Cayenne?
Taking the second (supposedly recon) propshaft off the Cayenne, no doubt the centre bearing has been replaced on this, but the centre CV joint is just like my own one: sticky and recalcitrant. The new shaft feels totally different. Speaking to a few propshaft experts this week, all agree that the problem is tied to the centre CV joint.
How do you remove the flex disc on a Porsche Cayenne?
Loosen and remove the six 18mm nuts and bolts holding the flex disc between the output shaft and the driveshaft. These will take a bit of muscle to break free. If you don’t have an impact wrench, I recommend putting the parking brake on and even having a helper press the brakes when attempting to loosen the bolts.
Why is the CV bearing on my Cayenne not working?
Prime suspect of a Cayenne propshaft issue is the centre bearing mount. The bearing supporting the CV joint in the middle of the two-piece propshaft is mounted in rubber.