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4l80e issues

  1. 4l80e, 1999 gm 3500 HD

    Transmission - Rearend
    This is a high mile (vehicle153K). The vehicle has no reverse, no 1st over-run braking, no 4th overrun braking, no codes. Disassembled and inspected. The transmission has been through at least one previous overhaul. Burned out OD overrun clutch, worn first/reverse band. The rest of the truck is...