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Pontiac Forum: Transmission leak question
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  #1  
Old March 31st, 2015, 07:37 PM
TourNut TourNut is offline
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Transmission leak question

I have a '93 TransSport , 3.8 l , with 4 speed 4T60E transmission. I t has developed a major leak somewhere up on the side of it , ( not the pan - which has been redone recently ) It is peeing on the ground the most severe when you are giving the gas to the engine . What would do that and can something be replaced from the outside of the tranny , while it is still in the van ?
Thank you for replies .
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Old March 31st, 2015, 08:01 PM
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92 Sunbird LE 92 Sunbird LE is offline
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Cooler line pissing?

More rpm = more pressure.

Doug in P.R.
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Old April 1st, 2015, 06:16 PM
TourNut TourNut is offline
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Cleaned it all up under there , started the engine : result was a major ATF flow out of the left axle tranny seal and a second lesser one coming out between the engine and transmission . To fix both would be a transmission drop and rebuild .
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Old April 1st, 2015, 08:35 PM
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92 Sunbird LE 92 Sunbird LE is offline
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Axle seal is no big deal ,easy fix ( common problem on these trans and earlier 125's)
https://www.youtube.com/watch?v=H97Vh6woJ68


Mines leaking currently on the right seal.

Front pump seal is a trans drop to repair but still not too uncommon .

I say replace the axle seal and throw in some stop leak for the other one.

Doug in P.R.
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