Question about 2004 Buick Rendezvous

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Buick 2004 Rendezvous AWD problems

After a couple of years, the vehicle would a make low groaning noise when turned to either direction at low speed. The dealer first replaced the power steering unit. After driving it another few thousand mile, I took back with the same problem. Buick then replaced the rack and pinion assembly. No, that didn’t fix it either, but I was tired of taking the vehicle in. The warranty run out at 36 miles and the noise still existed. My fault for not dealing with it before the warranty expired. I took it back in around 60K miles for host of minor repairs and yet again expressed my frustration over the noise. After taking a test drive with yet another service representative, the problem was now identified as coming from the drive train. Apparently Buick is aware of the problem and has issued a service bulletin that requires the type of lubricate used in the drive train to be changed. It required a couple of flushes and driving around in a circle in each direction for about an hour. Yes this actually did make the problem go away, however I don’t think the AWD works proper now. I’m not sure if there is any nexus between to the 2 circumstances, however I’m thinking there is. The front wheels slip when accelerating from a stop on wet pavement. It never used to do this. I attributed this to the tire thread of the new tires. The other day I tried to back out of icy driveway. The front tires were on an icy surface and the rear wheels were on dry pavement. The front tires spun and apparently the back wheels were not being driven because the vehicle didn’t move. At this point I was pretty certain the AWD was not engaging or working properly. The AWD disable light came on and stayed on for a few minutes while driving the road. I took it back to dealer feeling certain the AWD didn’t work and the repair was going to be expensive. The service department claimed it could not find anything wrong with the AWD because the rear wheels turned when up on the hoist and the computer registered no faults. Bottom line, I still do not think the AWD is working properly. Has anyone experienced a similar situation? Maybe a dirty ABS sensor? Thoughts/ideas?

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  • Anonymous Mar 22, 2009

    I'm having a similar problem with a 2005 Rendezvous. The groaning problem only happens after the car has been driven for about 25 miles. At that time the AWD disabled light comes on. The light goes off when I turn the key off and restart it. The manual says the oil in the rearend is overheating. I am going to change the oil in the rearend. I don't know about driving around in a circle though.

  • ck200sx May 19, 2009

    I seem to have the same problem. I did buy this car used so I really can't say what it ran like before i got it other than for the test drive. However going at slow speeds and turning it always makes a groaning sound whether you are turning right or left. The garage I had taken it to said there was a problem with the spindle in the front that holds the wheel together and that it would need replaced before the next inspection. Not sure about this problem though. My rear wiper also only moves about a third of the way then i hit the button again and it moves about two thirds and finally it will go the rest of way. It usually doesn't work unless I spray the windshield washer fluid.



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The fluid in the versa trak AWD in the rear is old and needs to be drained and refilled. After you drain and refill it, make a bunch of sharp left and right hand turns, then drive it for 10 minutes. Drain and refill it for the second time and problem solved. Use only versa trak fluid available at any GM dealership.

Posted on Oct 01, 2010

  • goodbye22 May 29, 2011

    Nah... it needs a 4 wheel alignment. My dealer did the same ****...changed the power steering unit.. it was almost 8 years later when I had a 4 wheel alignment that solved it. It was the rear wheels.


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The bulletin was put out on may 8th 2006 and it is on a lot of versatrak models the bulletin number is 06-04-114-001A and if you look up 2005 Buick rendezvous forums on yahoo and go to Buick forums and look at the moaning/groaning forum the bulletins are on there I found them and thought everyone should know GMs mistakes this is what they don't want you to know and you have to be a amber to see it thank you

Posted on Mar 19, 2011


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Hello! This is a known problem that is addressed by the following Technical Service Bulletin...Guru...saailer

Subject:Steering System Moan, Groan, Shudder and/or Vibration Type Noise During Low Speed Turning Maneuvers (Replace Steering Gear) #04-02-32-007A - (12/01/2004) Models:2004-2005 Buick Rainier
2003-2005 Chevrolet TrailBlazer, TrailBlazer EXT
2003-2005 GMC Envoy, Envoy XL
2004-2005 GMC Envoy XUV
2003-2004 Oldsmobile Bravada
Short Wheelbase Utilities Built Prior to VIN Breakpoint 52123375
Long Wheelbase Utilities Built Prior to VIN Breakpoint 56137280
This bulletin is being revised to remove the 2002 model year and add the long wheelbase utilities. Please discard Corporate Bulletin Number 04-02-32-007 (Section 02 -- Steering).

ConditionSome customers may comment on a moan, groan, shudder and/or vibration noise while making low speed turning maneuvers. Customers usually notice this condition in parking lot turning maneuvers.
  1. Diagnose the power steering concern. Refer to Symptoms - Power Steering System (SI Document ID #670351).
  2. Replace the steering gear with a newly designed steering gear. See the parts information below. Refer to Power Steering Gear Replacement (SI Document ID #742314).
Parts Information

Part Number


Gear Kit, Steering
(Short Wheelbase Utilities)
Gear Kit, Steering
(Long Wheelbase Utilities)
Warranty InformationFor vehicles repaired under warranty, use:

Labor Operation


Labor Time
Gear Assembly, Power Steering - Replace
Use published labor operation time
Toe, Front - Adjust

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