Subject: | Noise or Clunk in The Rear Suspension |
Models: | 2005-2007 Buick Terraza |
2005-2008 Chevrolet Uplander |
2005-2007 Pontiac SV6 |
2005-2007 Saturn Relay |
This PI was superseded to clarify that the rear trailing arm bushings may appear OK prior to service. Please discard PIT3323D.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Customers may report loud clunk or noise while driving in the rear suspension of their crossover sport van equipped with FE1, FE2 or FE3 rear suspension. The noise maybe described as the muffler hitting the floor pan or a loud slapping noise.
If no problems are found with the rear suspension components after thorough diagnosis, replace the rear trailing arm bushing and retest.
Note: A VISUAL INSPECTION OF THE REAR TRAILING ARM BUSHINGS MAY SHOW NO FAULT.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.