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Transmission Fluid Leak

mtrivett

By mtrivett
July 16, 2011 in Gen III & Gen IV V8 Engines (LS-Based)

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mtrivett

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mtrivett

Posted July 16, 2011

Posted July 16, 2011

2006 GMC Sierra 2500. Alison transmission Transmission fluid leaking from bottom of transmission/not transmission pan or bolts. It seems to be coming from a nickel sized tab-like silver thing in front of the pan, fairly steady drip. Any idea what this is? Some sort of weird plug? It is not the 3/8 plug I have seen pics of. Help!! thanks

jro909

Senior Enthusiast

jro909

Posted July 16, 2011

Posted July 16, 2011

i have no experience with the allison hands on...but i'm going to take a potshot and say a cooler line

blacksierra01

Enthusiast

blacksierra01

Posted July 17, 2011

Posted July 17, 2011

Is the tab on the bell housing? if so, it could be the front seal on your transmission

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