rear end bangs occasionally 1980 vette

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May 10, 2009 | 10:57 PM

1980c3tony

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From: rochester ny

rear end bangs occasionally 1980 vette

has any one had similar banging when punching the gas ?

it happens frequently but not all the time

seems like it slams into the next gear

Last edited by 1980c3tony; May 11, 2009 at 10:15 PM.

May 11, 2009 | 09:59 AM

wcsinx

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Does the rear "crab" one way when you get on the gas and then back the other way when you lift off?

May 11, 2009 | 11:09 AM

KevinK

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From: Ansonia/NYC CT

Probably the rear end tounge bushing.

May 11, 2009 | 11:22 AM

RonR80

Melting Slicks

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From: Russell Ontario

St. Jude Donor '09

Have a quick look at the diff mount , it usually only does it on decel or accel, or any mounts for that matter , transmission mount , I'm guessing diff mount! Ron

May 11, 2009 | 03:07 PM

L88Plus

Drifting

Joined: Aug 2004

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From: Lubbock TX

I always heard a banging in the rear was one of the main causes of AIDS...

May 11, 2009 | 05:39 PM

schmegeggie

Melting Slicks

Joined: Jan 2007

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From: Salisbury Maryland

Quote:

Originally Posted by L88Plus

I always heard a banging in the rear was one of the main causes of AIDS...

Wasn't expecting that!

May 11, 2009 | 07:24 PM

gingerbreadman1977

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Joined: Apr 2006

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From: gold coast queensland

trailing arm bush,s flogged out maybe . you should also hear a clunk on braking as well but.L88 that was a good one

May 11, 2009 | 09:16 PM

08vycpe

Burning Brakes

Joined: Jun 2008

Posts: 1,086

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From: Michigan

It sounds like the snubber bushing on the rear end mount or it's time to change the rear lube and add the GM positraction additive.

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May 11, 2009 | 10:10 PM

1980c3tony

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From: rochester ny

thanks for the responses,,,i think I'll have the rear gear lube changed soon,

the car doesn't seem to crab,,

just seems like a hard transfer to the next gear when punch the gas

Last edited by 1980c3tony; May 11, 2009 at 10:14 PM.

May 12, 2009 | 09:22 AM

#10

wcsinx

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Quote:

Originally Posted by 1980c3tony

the car doesn't seem to crab,,

Prob. the differential snubber then like others have said. Rotted T-arm bushings will cause the "crabbing".

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