Sierra 2500 Denali 2WD V8-6.0L (2011)
5. For a new SS 1 (5), install O-rings (3 and 4) and lubricate with clean transmission fluid. Push the new SS 1 (5) into the control valve assembly
with the wiring harness connector in the correct position. Install the solenoid retainer (2).
6. Install the oil pan and transmission internal oil filter. Refer to Oil Pan Replacement (See: Fluid Pan/Service and Repair/Allison - Automatic
Transmission).
Note: The FastLearn, adapt, procedure must be performed. This can be done in 1 step using a scan tool. If this procedure is not done, the TCM
adaptive values will be at the settings that it learned for the old components and will be in slow adaptive mode. Under these conditions, it will take
an unacceptably long time for the adaptive values to converge to levels suitable for the new transmission.
7. Perform the FastLearn procedure. Refer to FastLearn Procedure (See: Testing and Inspection/Programming and Relearning/Allison - Automatic
Transmission).
