C6 Drive-Train Ping
Thread Starter
7th Gear
Joined: Sep 2013
Posts: 7
Likes: 0
C6 Drive-Train Ping
My 2008 C6 automatic with 34000 miles is making a.... what I call from prior days a driveshaft slap caused by worn u-joints.... ping noise when going into gear and when it automatically shifts gears a slow speeds. Normal acceleration I do not hear it. The noise is coming from the rear gear box area.
Any wisdom on this subject? Tks
Any wisdom on this subject? Tks
Team Owner
Joined: Sep 2000
Posts: 25,019
Likes: 2,712
From: Far NW 'burbs of Chicago
St. Jude Donor '13
Lots of possibilities, could also be the rear axle nuts (not the wheel lug nuts) are loose. The wheels won't come off but it can get noisy.
There is a GM bulletin about how to fix it.
Starting around 2012, the factory started using a different nut with tabs that get folded into recesses in the end of the axle, I suspect your car has them and so the nuts shouldn't come loose. But it's easy to check.
There is a GM bulletin about how to fix it.
Starting around 2012, the factory started using a different nut with tabs that get folded into recesses in the end of the axle, I suspect your car has them and so the nuts shouldn't come loose. But it's easy to check.
Thread Starter
7th Gear
Joined: Sep 2013
Posts: 7
Likes: 0
Lots of possibilities, could also be the rear axle nuts (not the wheel lug nuts) are loose. The wheels won't come off but it can get noisy.
There is a GM bulletin about how to fix it.
Starting around 2012, the factory started using a different nut with tabs that get folded into recesses in the end of the axle, I suspect your car has them and so the nuts shouldn't come loose. But it's easy to check.
There is a GM bulletin about how to fix it.
Starting around 2012, the factory started using a different nut with tabs that get folded into recesses in the end of the axle, I suspect your car has them and so the nuts shouldn't come loose. But it's easy to check.
Can you get the 2012 nuts and tabs for earlier C6's?
Melting Slicks
Joined: Nov 2007
Posts: 2,282
Likes: 552
From: Pittsburgh PA
St. Jude Donor '10-'11-'12-'13-'14
Race Director
Joined: Dec 2002
Posts: 10,467
Likes: 1,149
From: Wayne Township WI
The ***** never let mine sit and sure enough I suspect they're loose, again. Good grief Chevrolet, getting axle nuts *&* end links right can't be classified rocket science.
Thread Starter
7th Gear
Joined: Sep 2013
Posts: 7
Likes: 0
from Locktite "Assemble parts and tighten as required. Sets in approximately 10 minutes and fully cures in 24 hours."
We'll see....
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