Sierra Classic 1500 2WD V8-4.8L (2007)
Tighten the bolt to 11 Nm (97 inch lbs.).
16. Install the TCC solenoid with a NEW O-ring seal to the valve body.
17. Install the TCC solenoid bolts.
Tighten the bolts to 11 Nm (97 inch lbs.).
18. Install the internal wiring harness to the valve body. The internal wiring harness has a tab (1) on the edge of the conduit.
19. Place the tab between the valve body and the pressure switch in the location shown (2). Press the harness into position on the valve body bolt
bosses (1, 3).