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

85 trans am , drive line clunk

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Old Nov 6, 2014 | 07:06 AM
  #1  
pontiacyoyo's Avatar
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From: Mandurah , West Australia
Car: 86 t/a , 87 t/a
Engine: 305 tpi / 350 tpi
Transmission: 4 speed auto
85 trans am , drive line clunk

hi guys , has anyone have knowledge on the following ? i have a 85 t/a , with engine running , shifting from park to drive at idle , i get a real clunk , almost like a lot of play in the driveline or something loose from underneath . the car runs fine through all gears , its just that initial shift from park to drive , is this a common trait of this model , or is there something thats a known problem in this area , thanks , luke , from down under .
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Old Nov 6, 2014 | 07:50 AM
  #2  
Bob88GTA's Avatar
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From: Huntsville AL
Car: 88GTA
Engine: 5.7TPI
Transmission: Auto
Axle/Gears: 3.27
Re: 85 trans am , drive line clunk

Check your Transmission mount for one.
Depending on the mileage on the car, it could have rear end play and/or worn u-joint.
You'll have some play but these are things to start with.
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Old Nov 6, 2014 | 01:21 PM
  #3  
pontiacyoyo's Avatar
Thread Starter
Junior Member
10 Year Member
 
Joined: Aug 2014
Posts: 18
Likes: 0
From: Mandurah , West Australia
Car: 86 t/a , 87 t/a
Engine: 305 tpi / 350 tpi
Transmission: 4 speed auto
Re: 85 trans am , drive line clunk

Originally Posted by Bob88GTA
Check your Transmission mount for one.
Depending on the mileage on the car, it could have rear end play and/or worn u-joint.
You'll have some play but these are things to start with.
thanks for the reply , will check on the above . i gather the rear end play will be in the diff assembly itself , has 105 thou on the clock . thanks
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