Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
90,000 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2004 Porsche Cayenne engine problems

engine problem

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2004 Porsche Cayenne Owner Comments

problem #1

Dec 022010


  • 90,000 miles


The contact owns a 2004 Porsche Cayenne. While driving approximately 60 mph, the contact heard a ticking noise followed by a loud, thumping noise which caused the vehicle to accelerate. The local authorized dealer stated that the bearing and drive train needed to be replaced. The manufacturer had not been notified. The vehicle was being repaired by the dealer. The VIN was unavailable. The current mileage was approximately 93,000. The failure mileage was approximately 90,000.

- Sharon, MA, USA

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