Transmissions and Drivetrain Need help with your trans? Problems with your axle?

odd scratching behind motor

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Old Apr 21, 2010 | 05:27 PM
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85irocproject's Avatar
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odd scratching behind motor

there is a intermittent scratching sound from what it seems like behind the motor/ in the trans. ive looked on the fourms and didnt find anything. it only happens when im in gear AND moving. when in park or neutral and revs, nothing. also having a problem with a rough idel and trying to die, these are all symtoms that i didnt have before beating the crap out of it :/ willing to make the nessecary repairs to it to get it running good again
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Old Apr 21, 2010 | 06:46 PM
  #2  
UNCLE TOM's Avatar
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From: ms. gulf coast
Car: 91 R/S , 89 dodge p/u
Engine: L31 GM crate re-cammed , 318
Transmission: T-5 , 4 speed auto
Axle/Gears: 3.42 , ?
Re: odd scratching behind motor

the scratching sound your talking about , i would check all the motor mounts & tranny mounts . the other problems , a good through tune-up should cure them . good luck .
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Old Apr 21, 2010 | 07:17 PM
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Re: odd scratching behind motor

I'm kinda leaning towards the torque converter, its only noticable at low speeds, and increases tempo with the car, anyone know of anything like that
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Old Apr 23, 2010 | 05:13 PM
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Re: odd scratching behind motor

Bump
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Old May 31, 2010 | 08:11 AM
  #5  
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Re: odd scratching behind motor

finally got the thing apart, only two bolts in the bellhousing and a snapped tranny mount, torque converter is shot.
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Old Jun 3, 2010 | 07:28 AM
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shawty82's Avatar
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From: youngstown, ohio
Car: 1991 camaro rs
Engine: 305
Re: odd scratching behind motor

ya i was gonna say when i broke my tranny mount and say started accelerating there would be a scratch right under me the rubber mount that was on the car completely broke apart there was nothing left but glad u found it and good luck
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