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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 ...
2oldman's avatar
2oldman
Explorer II
Jan 07, 2014
Bummer, but you do have a lot of miles on 'er.

I know people claim they get a quarter million miles and haven't done 'anything' to their trucks, but sadly, I think that's a vast minority. You can probably expect more problems in the future. Maybe time to sell it?

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