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International Automotive Technicians Network
Allison Diagnosis
Posted to HD/Fleet Forum on 4/1/2021 5 Replies

Truck is a 2000 C8500 Chevy Kodiak VIN-1gbp7h1c2yj519692 C8500 WITH CAT3126. The ALLISON trans is not shifting properly and the do not shift light comes on, and reverse doesn't work unless the truck is cut off and then R works until driven forward, an the cycl... Login to read more.

5 Replies Received (View Replies)