Allison leak !!!

reymuerto

New member
Jun 3, 2009
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Anyone have some instructions on how to change the front seal of the allison tranny ? I have a very bad leaking problem and i just dont have $1300 that the stealer charges to get it done ... Any help will be really appreciated...
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Once the truck is running a very consistent drip falls thru the orifice ...
 
Last edited:

ripmf666

Active member
Sep 20, 2006
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Wentzville Mo
Sorry have not been on alot saw your pm. I think in the Gm spec area I have it posted on how to pull your trans. the only thing I could think thats leaking is the converter seal in ther pump. so need to take trans out and replace the front seal in the pump of the trans not that bad and I think the seal is under 15 bucks.
 

reymuerto

New member
Jun 3, 2009
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i forgot to mention that i have engine oil leaking not transmission fluid ... appears to be coming of the rear crank seal ... any suggestions???