Parts information for parts withdrawal involving the transmission oil. Part number 00004321012 is affected - the vehicles that use this part number should be included.
full bulletin at NHTSA ↗2008 Porsche Cayenne powertrain problems
severe 9 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Complaints
9
Recalls
0
Avg fix
$2,500
1fire
When does it fail?
Of the 9 powertrain complaints filed for the 2008 Porsche Cayenne, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Powertrain accounts for 21% of all owner complaints filed against this vehicle, across 3 categories tracked.
No new NHTSA powertrain complaint has been filed on this vehicle in over 16 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Parts information for parts withdrawal involving the transmission oil. The vehicles affected are ones that use the part number 00004330563
full bulletin at NHTSA ↗Parts information for parts withdrawal involving the transmission fluid. Part number 00004321048. The cars affected are ones that use the part number listed.
full bulletin at NHTSA ↗Parts information for parts withdrawal involving the (00004321048) Transmission fluid. The vehicles affected are ones that use the part number mentioned.
full bulletin at NHTSA ↗Parts information for parts withdrawal involving the 7 speed dual clutch gear box. Part numbers 0BG300047 and 0BG300047X are affected. Cars that are involved are ones that use the part numbers mentioned.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 7 most recent
During low speed driving (roughly 20mph) in congested highway traffic, I attempted to shift gears on the manual transmission in my 2008 Porsche cayenne gts. Upon doing so, the clutch pedal lost all resistance and pinned directly on the floorboard. As I began navigating toward the shoulder, smoke began pouring into the cabin. As I reached the shoulder, the car caught on fire. I escaped…
The contact owns a 2008 Porsche Cayenne. The contact stated while driving 50 MPH, the vehicle started wobbling with a loud sound coming from the vehicle. There was no warning light illuminated. The vehicle was taken to the dealer and the contact was informed that the driveshaft needed to be replaced. The vehicle was repaired, but the failure reoccurred several times. The manufacturer was…
My car is garage kept and very low miles (70k+) since I work mostly from home. I suddenly started to hear a bad noise coming from the bottom of the car and could feel the car shaking whenever started to accelerate. Took to a Porsche specialized mechanic that told me it is a recurring issue on the cayenne. Long store short, spent two thousand dollars to fix the issue.
A start ignition won't start and I have to plug the key in order to started the vehicle
The contact owns a 2008 Porsche Cayenne. The contact received notification of NHTSA Campaign Number: 19V446000 (Power Train) and would like to be removed from the recall distribution list. The local dealer previously completed the recall remedy. The manufacturer was contacted, and the contact was sent confirmation of the VIN being clear of recalls. In addition, the contact stated that the VINTool…
Within minutes of driving my son to school, I heard a grinding sound from underneath my cayenne, then a squealing, and the car began to vibrate violently during acceleration. This happened very quickly and was frightening because I was crossing a bridge in morning traffic. The service man at the Porsche dealership told me that this is an ongoing problem with these vehicles and that my drive shaft…
Engine running increasingly rough on acceleration. Mechanic found driveshaft failure due to excessive axial play from center driveshaft support bearing. Driveshaft replaced. More than 50 similar failures are documented on gotaclassaction.com. I've attached complaint to Porsche, their response and repair invoice. *tt*jb consumer stated parts was ordered. *jb
Had powertrain trouble with your 2008 Porsche Cayenne?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2008 Porsche Cayenne?
It's a meaningful issue. 9 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Based on the 9 complaints filed, powertrain issues most often appear around 52,877 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2008/Porsche/Cayenne.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.