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JZ
05-11-2004, 15:30
My 2001 Allison with 57K on it has developed a leak. The entire case is wet from the parting line of the trans/bell housing to the back adapter going to the transfer case. My first thought was a leaking seal in the front. However, no fluid is coming out of the bell housing weep hole or the access hole.

The dealer put die in the fluid and now says the leak source is the rear two pan bolts (tight). They pulled the pan and replaced the gasket. It has a fresh load of Transyn and I