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Old April 19th, 2012, 08:01 PM   #1
2fst4you
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Default rear main

Pulled the transmission on my Jeep. The rear main isn't leaking at all so I'm not sure if I should change it or not....what do you guys think?
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Old April 19th, 2012, 08:02 PM   #2
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do it.
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Old April 19th, 2012, 09:52 PM   #3
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Since the seal is 2 piece, the pan comes off but it will be easier with the trans out of the way.

At this point, flip a coin. It's not leaking now but it will eventually. Those can be a bastard to do.
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Old April 19th, 2012, 10:10 PM   #4
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Is it a little easier to do with the trans out or alot easier? This will help me make the decision I'm sure it will leak sometime but it isn't yet....
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Old April 19th, 2012, 10:14 PM   #5
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I would say a lot easier. If the flexplate and separator plates are out of the way, it's most of the battle getting the pan past those. It would make it nicer for the pan gasket too since there are notches the gasket fits into on the block.
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Old April 19th, 2012, 10:20 PM   #6
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Ok. So what's the final decision? Change it or hope it holds until my clutch goes out in another 20k miles....
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Old April 19th, 2012, 10:23 PM   #7
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Back to flipping a coin. It could start leaking tomorrow or 50,000 miles later. Is there any leaks otherwise? If it's all dry, screw it back together.
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Old April 19th, 2012, 10:25 PM   #8
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seriously? your there just do it.
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Old April 20th, 2012, 01:48 AM   #9
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Its not leaking so it should last atleast until my clutch goes but your right you never know might just change it thanks for the input
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Old April 20th, 2012, 05:15 AM   #10
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Why are you fixing something that is not broke? If you are going to use that mentality, I would suggest tearing down the entire motor and rebuilding it because eventually you will need to. Don't forget to put new brakes on it before they are needed, and you may as well do shocks while you are at it.

Does it leak?
NO = leave it alone.
YES = fix it.
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Old April 20th, 2012, 08:41 AM   #11
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I suppose I can leave it be seeing as its not leaking just don't want it to be one of those things that you let be and it goes bad a week later. I've seen it happen far too many times but ill just pray it lasts until my clutch goes which it should. Your the old wise man with experience so ill listen but if my seal gives out soon your helping me change it
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Old April 20th, 2012, 08:54 AM   #12
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Quote:
Originally Posted by whiterhino View Post
Why are you fixing something that is not broke? If you are going to use that mentality, I would suggest tearing down the entire motor and rebuilding it because eventually you will need to. Don't forget to put new brakes on it before they are needed, and you may as well do shocks while you are at it.

Does it leak?
NO = leave it alone.
YES = fix it.
That's what im thinking
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