Sierra 2500 2WD V8-6.6L DSL Turbo (2007)
4. Install the reverse signal pipe. Install the 2 bolts that fasten reverse signal pipe to the control valve assembly.
Tighten the bolts to 12 N.m (108 lb in).
5. Reconnect the internal wiring harness to the solenoid.
6. Install the oil pan and transmission internal oil filter.
Important: 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.
Control Valve Solenoid Replacement (SS1, SS2, SS3, TCC, and MAIN MOD)
Control Valve Solenoid Replacement (SS1, SS2, SS3, TCC, and MAIN MOD)
Removal Procedure
1. Remove the oil pan and the transmission internal oil filter.
2. Disconnect the internal wiring harness from the solenoid being changed.
3. Remove the solenoid retainer (2) for shift solenoid 1 (SS1) (5). Note the position of the solenoid connector and pull the solenoid (5) out of the
bore in the control valve assembly (1). The O-rings (3 and 4) provide the resistance felt during removal.
