1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Funny Sound!!

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Old 04-17-06, 05:13 PM
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Funny Sound!!

Hey Guys, I have an 85 with a 12A. It has 185000 miles on it. Lately I have been experiencing a wierd screeching sound, when I am just about to shift to my next gear also when I am downshifting. I think it's coming from the tranny, but I am not sure.My airpump is still hooked up, so I don't think its a belt. It's very progressive ,the longer I wait to shift the louder it gets. And no! I am not winding it out. It even happens sometimes at a little above 60mph even If i just lift off the throttle.Then i give it a little more pedal and it stops! Please any ideas? I miss full downshifts!! BTW hte sound occurs between 3300-3500 rpm on upshifts from first to second and second to third. As well as other times. I just coundn't get out of third in my neighborhood!

Last edited by FormulaOneFan; 04-17-06 at 05:39 PM.
Old 04-17-06, 05:23 PM
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You didn't say what rpm this is happening at, but I would check belt tnsions first.
Old 04-17-06, 05:36 PM
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Originally Posted by trochoid
You didn't say what rpm this is happening at, but I would check belt tnsions first.
From 1st to second and second to third it happens between 3300 and 3500.
Old 04-17-06, 05:56 PM
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Old 04-17-06, 07:10 PM
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Don't bump, go check the belt tensions, then report result.
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