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

What is this noise?

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Old Nov 3, 2001 | 10:50 PM
  #1  
IceBlue91z28's Avatar
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Joined: Apr 2001
Posts: 333
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From: Massachusetts
Car: 1991 Camaro Z28
Engine: 350 TPI
Transmission: Built 700r4
Axle/Gears: 3.73
What is this noise?

When I accelerate hard, I can hear and feel a loud noise nder my car. It feels like something is moving and hitting under there. I think it is the driveshaft but im not sure. The universals could be bad but i am not sure I need someones oppinion. It has an auto transmission and a stock rear, those could be the problem too. I am not sure. It only does this noise when i am stoped and then hit the gas hard. It doesnt do it at all while I am driving. I think it is the universal joints. Please let me know what u think, thanks.
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Old Nov 4, 2001 | 01:17 AM
  #2  
Sitting Bull's Avatar
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Joined: Jun 2001
Posts: 3,238
Likes: 4
From: Calgary, Alberta, Republic of Western Canada
Car: 1986 Sport Coupé
Engine: 305-4v
Transmission: 700R4 and TransGo2
Kinda sorta sounds like a broken tranny mount. Not very expensive.
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Old Nov 4, 2001 | 06:15 AM
  #3  
Calderone's Avatar
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Joined: Mar 2001
Posts: 1,092
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Car: 87 Vette
Engine: 355/195AFR/SR/219CAM/1.6
Transmission: TH700R4/Vigilante
Axle/Gears: D44/3.45
Its the transmission mount
Please replace it cause i didnt replace it at time and it caused me a lot of tranny-tail trouble i guess that was the reason.
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Old Nov 4, 2001 | 01:28 PM
  #4  
IceBlue91z28's Avatar
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Joined: Apr 2001
Posts: 333
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From: Massachusetts
Car: 1991 Camaro Z28
Engine: 350 TPI
Transmission: Built 700r4
Axle/Gears: 3.73
Thanks for the help. It is the tranny mount I think. Does anyone know how to replace it or do I have to bring it somewhere?
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Old Nov 4, 2001 | 08:01 PM
  #5  
MattW's Avatar
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From: Greenwood, Indiana
Car: 1984 Trans Am
Engine: Vortec 355
Transmission: TH-700R4
Axle/Gears: GM Axles and GM 3.73
very easy fix

just jack up the front end and put it on jackstands then take off the center bolt on it then put the jack on the tranny and jack that up then take off the other 2 bolts and that should get it off, and to put the new one on just do everything in reverse order


good luck



------------------
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