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Can Everyone help me think of the possible leak points for a tranny?

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Old Nov 9, 2005 | 07:41 PM
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93civEJ1's Avatar
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Can Everyone help me think of the possible leak points for a tranny?

So far, all i can think of is:

Small O-ring between transfer case and tranny housing (already been fixed before, i replaced it after leaking *This Leak Was FIXED*)

Large O-ring around output shaft between transfer case and tranny housing (replaced as well when small o-ring was replaced. *Never Leaked, but changed for good measure*)

Input Shaft Seal inside bellhousing (currently car is at dealership , with maybe bad input shaft seal ---- leaking bad)

Driver Side Axle Seal (has already been replaced once, but still slightly leaks from this area.)

Passenger Side Axle Seal (no problems soo far with leak from there)

Drain Plugs not tight enough.

cracked tranny housing.

Can anyone think of anywhere else A tranny leak could come from ???
I cant think of anything. My car is currently at the shop for a BAD tranny leak, and just by pulling inspection cover over flywheel, they think it may be the input shaft seal may be bad . I cant find anyone else who has had one go bad on their Evo.

What would cause something like this. Can anyone think of any other area's that would leak on the tranny? Im having to fork out money because my warranty on tranny is shot because of my mods and ACT i put in back in May, this is the first actual problem I have had out of almost 53k miles on my car.



Last edited by 93civEJ1; Nov 9, 2005 at 07:54 PM.
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Old Nov 9, 2005 | 07:44 PM
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bad input shaft bearings will cause the shaft seal to leak. It is very likely that is where your leak is.
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Old Nov 9, 2005 | 07:46 PM
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Originally Posted by timzcat
bad input shaft bearings will cause the shaft seal to leak. It is very likely that is where your leak is.

do you know if anyone has had that problem yet, and what may cause that to happen?

I have search for input shaft stuff, but soo far i cant seem to find anyone else with this type of issue.

I first thought it was rear main, but it turned out not to be oil because oil level was always full on dipstick.
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Old Nov 10, 2005 | 07:41 AM
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well ive done some searcing on input shaft bearings, a few turned up and had theirs replaced, but has anyone had it go as far as it creating a leak?
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