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2010 GMC Terrain Vibrating noise

Tiny
KATYGRAMA
  • MEMBER
  • 2010 GMC TERRAIN
  • 4.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
We have been plagued by this vibrating noise, as best I can explain it. It does not vibrate but sounds like it, much like the noise made when you have the rear windows open while the car is moving. So hard to explain! It only makes the noise at 13-15mph, 23-25mph, 33-35, at its worst at 43-45mph. As long as you maintain that speed, it will continue, only stopping at a different speed. Our dealer has not been able to fix it and we are getting extremely frustrated. They have contacted General Motors but every suggestion they've given has proved not to eliminate the problem.
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Tuesday, October 21st, 2014 AT 10:10 AM

2 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,870 POSTS
There is a tool you might be able to borrow or rent from an auto parts store that borrows them called the "Chassis Ear". It is a set of six microphones, a switch box, and headphones. You clip the microphones to suspect points, then drive around while listening with the headphones. You can move the microphones around to zero in on the source of the noise. Be aware that many mechanics have never seen or even heard of this tool. Suspension and alignment mechanics use it to find rattles, squeaks, and other noises.
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Tuesday, October 21st, 2014 AT 8:24 PM
Tiny
AIDANSMITH
  • MEMBER
  • 6 POSTS
You can use GM tech2 diagnostic tool, Tech2 scan tool is an excellent tester for Technicians to diagnose GM vehicles.
The Vetronix Tech 2 comes with Authentic GM software and supports on-board diagnostics on all GM systems 1992 thru 2011. The opel cars supported year range is 1997-2014. It have performs Functions such as Capture stored DTCs, Freeze Frame, and Failure Record for later review, etc.
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Tuesday, October 28th, 2014 AT 11:52 PM

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