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2002 GMC Envoy noise going over bumps

Tiny
GROQUE
  • MEMBER
  • 2002 GMC ENVOY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
As the rear tires of the vehicle passes over bumps 30 mph or so; I hear a rattle/ thumping type noise coming under the left rear passenger side of the vehicle. I jacked the rear off the ground; check tire rotation, side to side movement, bolts, nuts and schock security; found nothing. Shocked vehicle back and forth and bounced on the bumper; found nothing.

Can you point me in the correct direction of what can be the issue causing the noise?

Greg
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Monday, June 8th, 2009 AT 8:33 PM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
The first two places I would look would be the bushings at the sway bar to frame and then the stab link.


https://www.2carpros.com/forum/automotive_pictures/30961_env1_1.jpg



Grab the sway bar close to the bushing and agressively push pull.


https://www.2carpros.com/forum/automotive_pictures/30961_env2_1.jpg



Same on the stab links.

Alos be sure it in nothing on the interior laying inside any compartment and be sure the spare tire has no movement.
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Tuesday, June 9th, 2009 AT 5:10 AM

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