2001 Blazer rear end shimmy

Tiny
BOMBADEE
  • MEMBER
  • 2001 CHEVROLET BLAZER
2001 Blazer 4.3 auto 4WD 98,000 miles
My 2001 chevy blazer with 98000 miles on it has (for the past year) had a rear end vibration that starts around 60 MPH and goes on from there. I feel it in the floor, both front seat and it works its way up into the steering wheel as speed gets higher.
My mechanic (GMC certified) is stumped. The tires have beenn replaced, the rear end itself has been replaced ( a recycled unit with 35,000 on it) tires rotated and balanced several times with no effect. U joints replaced and just about anything else he can think of. He is good in that if a fix does not work he does not charge me for it. A call to the loacl GMC and chevy dealer has not helped. No TSB's seem to be available for this problem.
Any ideas?
Thanks
Carl
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Friday, August 31st, 2007 AT 8:07 AM

1 Reply

Tiny
POET042005
  • MEMBER
I would like to believe that the problem is inside your transfer-case because you said it dose it after a certain speed. But for futher diagnosis I have a few questions for ya, has the truck been in any type of accident, or has the truck in the past gone over any harsh pot holes that may have damaged equipment.

WHen the tires u-joints are ruled out. The axles and transfer case is the next step may also have bad wheel bearings or ball joints, this can all tie in to why I ask about any accidents.

Let us no

Richard
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Saturday, September 1st, 2007 AT 4:07 PM

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