Silverado 3500 4WD V8-6.0L VIN U (2004)
7. Remove the pressure control solenoid retainer bolt (364A) and retainer (378).
8. Remove the pressure control solenoid (377).
9. Remove the TCC solenoid bolts and the valve body bolts which retain the internal wiring harness.
10. Using J 28458 , release the pass-through electrical connector from the transmission case.
1. Use the small end of the J 28458 over the top of the connector.
2. Twist in order to release the four tabs retaining the connector.
3. Pull the harness connector down through the transmission case.
11. Remove the TCC solenoid (with O-ring seal) and wiring harness.
