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Allison 6sp: Transmission Overheating
hi guys i have a 2005 gmc 2500hd 6.6l duramax allison trans. my tranny dont heat up while normal driving but put my trailer 6800lbs going up steep hills slow not a running start and you accelerate to get up to speed overdrive kicks in it hits 2000rpms kicks out and slows down and wont go over...- okseabee70
- Post #43
- Forum: Mike L's Trans Talk