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Old September 21st, 2011, 02:21 PM   #1
tctrojan17
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Default 2001 gmc clicking noise

I have a 2001 gmc Sierra with roughly 8 inches of lift on it. For the last two weeks or so i have had a clicking noise whenever i put the truck into drive or reverse. It just clicks once. My u joints all feel good and i noticed when i push up on the drive shaft near the tcase it makes a similar clicking noise. It sound like it is coming from where the slip is on the shaft in the tcase. Anyone have a similar issue?

I hate to just go and replace the yoke when i am not positive the yoke is the issue. Thanks
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Old September 21st, 2011, 02:33 PM   #2
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There was a bulletin about a snapping/clicking noise coming from the tcase. Cause was the yoke against the tcase. Fix was a new nickle coated yoke.

It was always hard to diagnose since there is so much play withing the drivetrain on a 4wd vehicle that you couldn't tell if it was the yoke or the gear/chain clearances.
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Old September 21st, 2011, 02:37 PM   #3
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Lube the slip yoke
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Old September 21st, 2011, 02:58 PM   #4
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They went to the nickel coated slip yoke because it did not build up with rust. The old style would slip then catch the rust and make a noise. I never heard one that sounded like a click. You can pull it, clean up the rust with a wire wheel and see if it changes.
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Old September 21st, 2011, 10:24 PM   #5
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your title made me think of this
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Old September 23rd, 2011, 06:08 PM   #6
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Yeah i had always had a problem with a clunk from take off which is what i thought the nickle plated yokes resolved. I just never cared enough about the clunk to spend a few hundred bucks on the yoke.

I lubed the yoke and it got a bit quieter so my guess is i probably should just pony up and buy the nickle plated yoke.
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