K 2500 Truck 4WD V8-8.1L VIN G (2001)
Correction
Important:
After completing this modification, the transmission control module (TCM) shift adapts must be relearned for proper transmission operation.
Follow the procedure outlined in Corporate Bulletin Number 02-07-30-032A to quickly relearn the transmission shift adapts.
Tools Required:
The special tools shown will be required for the completion of the repair.
After transmission removal, return to this document for additional instructions.
Caution:
The Allison(R) 1000 Series (M74) transmission has a dry weight of approximately 150 kg (330 lbs). The torque converter has a dry weight of
approximately 29 kg (63 lbs).
^
Use caution when removing, installing, servicing or moving the transmission in order to prevent personal injury.
^
Get assistance when lifting the transmission. A hoist is the preferred lifting device. Ensure that the lifting device is adequate to support the
transmission.
1.
Remove the "Flywheel", "Plate, A/Transmission Flex". (Torque Converter Adapter) and "Retainer" from the engine crankshaft. Discard all eight
of the flywheel to crankshaft bolts.
2.
Using NEW bolts, install the "Flywheel", NEW "Plate, A/Transmission Flex". (Torque Converter Adapter) and "Retainer" to the engine
crankshaft.