Thread: rear end clunk
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Old 09-30-2012, 06:36 PM   #2
clinebarger
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Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
Re: rear end clunk

Quote:
Originally Posted by Boog View Post
I have what can be described as a "clunk" in the 06 GMC. Happens only on the 1-2 shift. Feels like it's from the rear end. There is no gear whine or howl however. The truck has the 5.3, auto w/od, 4.10 gear with gov lock with 110,000 miles on it. I haven't looked at the ujoints yet. Any ideas?
Remove the driveshaft & lube the internal splines on the slip yoke....Retest.
Get back to me on what you find.

Inspect the U-loints while the driveshaft is out.
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