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BobsYourUncle's avatar
BobsYourUncle
Nomad
Jan 07, 2014

Allison transmission sprung a leak. Anyone else?

On a recent trip to Alberta to work for 5 weeks in the cold, I noticed red stains in the snow under the front of my truck. 2007 Classic GMC D/A. I have 222,000K (138,000 miles) My Allison trans ...
AYRTIME's avatar
AYRTIME
Explorer
Jan 07, 2014
Check in with the guys on Diesel Place Forum.
www.dieselplace.com/forum/
Check for "Pump Rub", a common problem.

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