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

thump noise

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Old Nov 7, 2009 | 03:22 PM
  #1  
Tash3r's Avatar
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Junior Member
 
Joined: Apr 2009
Posts: 49
Likes: 0
From: Lebanon, Tennessee
Car: 86' Sport Coupe
Engine: LG4 305
Transmission: 700r4
Axle/Gears: 2.73
thump noise

when I accelerate hard from a dead stop the front end of the car makes a loud thump noise then goes away after like a second
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Old Nov 7, 2009 | 04:59 PM
  #2  
kozman's Avatar
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Joined: Feb 2007
Posts: 127
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Car: 89 Trans Am
Engine: 5.0 TPI
Transmission: 700R4
Axle/Gears: 2.73 Posi
Re: thump noise

Most likely the tranny mount
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Old Nov 7, 2009 | 05:07 PM
  #3  
//<86TA>\\'s Avatar
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15 Year Member
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Joined: Aug 2006
Posts: 12,812
Likes: 110
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: thump noise

i agree, the trans mount is most likely broken.
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Old Nov 7, 2009 | 08:37 PM
  #4  
antsZRS's Avatar
Member
 
Joined: Apr 2009
Posts: 244
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From: SE Houston
Car: 1990 Camaro ZRS
Engine: 350 SBC
Transmission: 700R4
Axle/Gears: 3.42
Re: thump noise

yup sure does sound like a tranny mount. i replaced mines with an energy suspension one. hasnt broke ever since. going on 2 yrs. lol
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Old Nov 8, 2009 | 04:03 PM
  #5  
Tash3r's Avatar
Thread Starter
Junior Member
 
Joined: Apr 2009
Posts: 49
Likes: 0
From: Lebanon, Tennessee
Car: 86' Sport Coupe
Engine: LG4 305
Transmission: 700r4
Axle/Gears: 2.73
Re: thump noise

it was the trans mount, thank you
Reply
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