Sierra Classic 2500 4WD V8-6.0L (2007)
2. Install the valve bore plug retainer ring (1).
3. Install the transmission filter. Refer to Automatic Transmission Fluid and Filter Replacement.
4. Important:
It is recommended that transmission adaptive pressure (TAP) information be reset.
Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to relearn TAP
values. Transmission performance may be affected as new TAP values are learned.
Reset the TAP values. Refer to Transmission Adaptive Functions.
