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.


really awful
Typical Repair Cost:
Average Mileage:
39,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. flush differential twice, replace fluid with new type (1 reports)
2004 Buick Rendezvous drivetrain problems

drivetrain problem

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2004 Buick Rendezvous Owner Comments

problem #1

Jun 022008

Rendezvous Ultra 3.6L-L Ohv V6

  • Automatic transmission
  • 39,000 miles


This issue is outlined in TSB 06-04-114-001A. Known issue with the differential in the AWD models (not just Rendezvous, apparently). The initial fix, which they did on this visit, is to flush the differential fluid twice, then replace with a new synthetic fluid. If the issue comes back, the rear end housing has to be replaced. This is pathetic. Additionally, because we're out of factory warranty, we had to pay $185 for the flush. THIS IS A TSB!!!! It is a known design flaw in the vehicle, why are we having to pay for it??? I've had TSBs addressed in Acura and Mitsubishi cars I've owned, and never had to pay, even outside of warranty.

Honestly, stay away from GM. Their quality control has gone downhill in a bad way and they've done nothing to improve the situation. Save yourself the headache and buy foreign.

- , Charlotte, NC, USA

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