Question about 2005 Pontiac Aztek

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Noise in car rear

I have a 2004 pontiac aztek and it making a loud noise in the rear . i have change the hub assembly and it still making noise .

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The rear differential either needs versatrak fluid added or changed.
Located at the rear of the vehicle loosen the top hex bolt and stick your finger in if you don't feel any fluid add some. If you do feel fluid see what color it is. It should be clear if not then its time for change.
Versatrak fluid can be purchased at any GM dealer .You will need almost 4 bottles to do a full change.Once you have either added or changed the fluid do some circles around left and right and drive a few blocks then circle around again and your groaning noise should be gone!

Posted on Apr 05, 2009

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