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View Full Version : Tranny over heat?



atvboo
08-28-2011, 12:20 PM
I have a 2008 gmc 2500 with a diesel and allison tranny and 80000 miles. On the way home from work with my 33' travel trailer the tranny over heated on a long up hill. Does anyone know what to look for so that this does not happen again. Also were is the cooler I want to make sure it is clear being this truck is in mud at work all the time.