LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Rear Main Seal

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Old Oct 15, 2005 | 11:48 PM
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Question Rear Main Seal

i have my transmissions out of my 96 trans am doing a stall change noticed that the rear main was leaking a little bit just woundered how hard it was to change it out

Last edited by darrell hoagland; Oct 16, 2005 at 12:01 AM.
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Old Oct 16, 2005 | 06:51 AM
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I believe that is going to require a special tool. I believe you can loan one from either AutoZone or Advance.
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Old Oct 16, 2005 | 10:19 AM
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i havent done one on our cars but assuming they arent any different its pretty easy. you can use grease and a rod about the same size as the id of the seal and it will push it out. not sure if you can use a seal puller on the rear main. i know you can on the front main. i also know people that collapse one side and then just use pliers to pull it out. good luck
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Old Oct 16, 2005 | 01:47 PM
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Yeah collapsing works too, lol. I've done that a few times and didn't mean to!
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Old Oct 16, 2005 | 05:15 PM
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Default rear main

some one told me i had to drop the oil pan
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Old Oct 16, 2005 | 06:55 PM
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Only on the older two piece rear mains. Our LT1s are one piece.
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Old Oct 18, 2005 | 06:21 PM
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Default rear main

has any one did it please let me no
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Old Oct 19, 2005 | 09:00 AM
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I haven't done it but you don't have to drop the oil pan. Getting it out wouldn't be the problem. Putting it back would be the biggest obstacle. I do believe there is a seal installer you can use and the parts stores will have them to buy or to loan out. Hell, you probably don't even need it. Just a seal that goes around the crank. Use a hammer to lightly tap it all the away around and make sure your lips don't get flipped out.
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