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Mod | | | Forums66 Topics128,049 Posts1,055,675 Members48,426 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
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on the Internet for over 30 years! and not clogged down
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| | | | Joined: Jan 2001 Posts: 12 New Guy | | New Guy Joined: Jan 2001 Posts: 12 | A friend's truck has been making a screeching noise on upshifts (especially 4 high to 5 high) and when the engine out revs the governor (on downhills) i.e., beyond 2300 rpm. We thought it might have been the belts, but we changed both of them and tightened the alternator. But is this noise coming from the clutch? And if so, what could be the issue?
Engine is a Detroit 6-71 and the tranny is a Spicer 5-speed.
Thanks for any help
Cheers,
Grizz
If it's stupid but it works ... it isn't stupid.
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