Chevrolet Silverado / GMC Sierra. Service manual — part 1650

Fig. 143: View Of Main Engine Electrical Harness Connectors & Latches
Courtesy of GENERAL MOTORS CORP.

11. Clip the main engine electrical harness connectors to the main electrical connector harness

bracket.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 144: View Of Turbocharger Vane Position Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP.

12. Connect the turbocharger vane position sensor electrical connector (1).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 145: View Of Main Engine Electrical Harness Connector Latches & Clips
Courtesy of GENERAL MOTORS CORP.

13. Connect the main engine electrical harness connectors.

14. Push down on the latches (1) in order to connect the connectors.

15. Close the harness clip (2).

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 146: View Of Wiring Harness Bracket & Bolts
Courtesy of GENERAL MOTORS CORP.

16. Install the wiring harness bracket and bolts to the thermostat housing.

Tighten: Tighten the bolts to 10 N.m (89 lb in).

17. Install the turbocharger coolant bypass valve. Refer to Turbocharger Coolant Bypass

Valve Replacement.

18. Install the radiator inlet hose. Refer to Radiator Inlet Hose Replacement (Non-HP2).

WATER OUTLET TUBE REPLACEMENT (LU3)

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado