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.
Why is my climate control not working on my Porsche Cayenne?
A common problem in the Porsche Cayenne is a condition where the climate control fan suddenly starts working intermittently, only at one speed or not at all. The variation in the speed of the fan is controlled by the blower motor regulator. Once the regulator fails, a single speed fan is commonly the result.
Why is the ignition coil on my Cayenne not working?
The ignition coils on the Porsche Cayenne V8 have been updated a number of times. A single coil failure is typically a sign of more trouble to come from other coils, so it’s usually best practice to update them all. A failing coil typically stops any spark and sets a misfire code with a completely dead cylinder.
Why is my water pump on my Cayenne making a knocking noise?
Water pumps and thermostats fail regularly. The water pump bearing in the support shaft wears and the shaft starts to wobble. This develops into a knocking noise sometimes accompanied by a coolant leak.
Why does my car make a clunking noise when accelerating?
A clunking or banging when cornering, reversing, or quickly slowing down from highway speeds may be from worn spider gears or clutches, or lack of or incorrect lubrication. Hearing the noise when accelerating may be due to worn or loose axle or yoke splines, spider or U-joint wear, or differential backlash noise.
What causes a howling noise in the rear of a car?
Cause:Worn rear pinion bearing or worn gear set Noise:Howl without whir or rumble while accelerating at any speed (gears previously quiet) Cause:Worn gear set due to lack of lubrication or overloading Noise:Howling while accelerating over a small speed range (gears previously quiet) Cause:Worn gear set due to lack of lubrication or overloading
Where does the coolant leak on a Porsche Cayenne?
There are two likely spots for this to occur – the front of the engine or the rear of the engine close to the transmission joint. The leak at the front of the engine is most likely from the upper front coolant pipe, which slips out of its housing when the glue fails.
Why is my Check Engine light on on my Porsche Cayenne?
There are multiple reasons why a check engine light can be set for misfires. A code scan can reveal which cylinder is misfiring but not usually exactly why. The ignition coils on the Porsche Cayenne V8 have been updated a number of times.
Why does my Porsche make a ticking noise?
Radiated sound from the engine gets reflected from the ground and out the sides of the car. Maybe you should get underneath if you can and make sure that nothing’s touching the polybelt and that the sound isn’t coming from the ancillaries. Do all obvious checks first, like oil an water levels.
What causes a leak in the front of a Porsche Cayenne?
The leak at the front of the engine is most likely from the upper front coolant pipe, which slips out of its housing when the glue fails. Porsche revised the design of the replacement part to be bolt in, so the problem should not return. This issue is common and typically runs about $500 in 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.
Are there any mechanical problems with my Porsche Cayenne?
Listed below are Porsche Cayenne common mechanical problems with their likely resolutions. These are the most frequent Cayenne problems diagnosed by our repair shops over the years. An accurate diagnosis of an issue by a Porsche mechanic typically saves you time and money – see our guide to local independent Porsche repair shops that can help.
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.
Are there any problems with the Porsche Cayenne?
Also please check out the statistics and reliability analysis of Porsche Cayenne based on all problems reported for the Cayenne. Car has problem with acceleration. It hesitates and drives like the car is being held back.
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.
Why is my Porsche Cayenne leaking steam under the hood?
Once they degrade and a leak starts it quickly speeds to a point where large clouds of steam can be seen billowing from under the hood when the engine is running – steam powered Cayenne! There is an update kit available to permanently fix this problem and change the plastic pipes to metal ones.
What causes a valve lift fault on a Porsche Cayenne?
A failing front O2 sensor will either not see or cannot react in time to the valve lift gas flow change. The slow response from the O2 sensor is not within the tolerance the engine management system requires and therefore a valve lift fault is set.
Is there a problem with my Porsche Cayenne?
Cayenne owners in large numbers are being affected by a defect of Porsche Cayenne that causes vibrations that have been classified as “characteristic” by PCNA. For months PCNA has attempted to resolve this issue through tire and wheel rebalancing, as well as tire replacement.
Is there a vibration defect in the Cayenne?
For months PCNA has attempted to resolve this issue through tire and wheel rebalancing, as well as tire replacement. In the end what we are left with is a $70K – $110K vehicle that has the ride quality of a vehicle costing 1/3 of the Cayenne and plenty of vibration. Enough, is enough!
Where does the water come from in a Porsche Cayenne?
The water seems to be coming in from a high place because when I open the passenger side door the leak is at about the height of the dashboard and dripping down the side of the door rail. Sounds like you may have 2 issues. 1. The AC drain may be leaking into the passenger compartment.2.
What happens if the transmission on a Porsche Cayenne fails?
Failure of the mechanism can lead to some wild gear shifts. Transmissions in the later cars are very complex and the technology involved is a closely guarded secret. Technicians at Porsche not trained to dissect the transmission and make repairs. Typically, they just replace the transmission.
Once they degrade and a leak starts it quickly speeds to a point where large clouds of steam can be seen billowing from under the hood when the engine is running – steam powered Cayenne! There is an update kit available to permanently fix this problem and change the plastic pipes to metal ones.
Are there any problems with the Cayenne TT?
Every case is different, but driveshaft problems are unlikely. Im aware of one Cayenne TT owner who had both front axles replaced, the steering rack, the cardan shaft, and a brand new set of tires sent to Tire Rack to be heat cycled, trued and balanced, none of which fixed his slight shimmy.
When do you release the paddle on a Cayenne?
After I accelerate it to, let’s say, 40 MPH, and release the paddle. I sometimes feel like it has a strong resistant force from the front. You can have the same feeling when you lug from the 4th gear to the 3rd at 40MPH and above 3000RPM of engine rotation.
What should I do about my Porsche Cayenne drive support?
This vibration will only get worse over time, eventually turning into a loud knocking noise. 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.
What causes a Porsche Cayenne flex disc to crack?
The flex disc is a rubber reinforced coupler that isolates vibration from the rest of the drivetrain, while transferring power from the engine and transmission to the rear differential and wheels. When the center support begins to fail, it can put increased stress on the flex disc, causing it to crack.
Why is my Porsche Cayenne making a knocking noise?
When the rubber starts to fail, you’ll notice an odd vibration coming from the center console when accelerating. This vibration will only get worse over time, eventually turning into a loud knocking noise.
Are there any problems with the 2011 Porsche Cayenne?
Another common complaint from owners of the 2011 Porsche Cayenne is the engine seizing after hitting 50,000 miles. Drivers are reporting a check engine light warning before hearing a loud noise that completely shuts down the engine.
What to do if your Porsche Cayenne driveshaft is failing?
Use a razor blade to cut away the remaining rubber on the bearing. At this point, check that the bearing spins freely and doesn’t bind or make noise. If the bearing shows signs of failure, you’ll need to stop now and remove the entire 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.