Chevrolet Silverado / GMC Sierra. Service manual — part 1656

Fig. 166: View Of Wiring Harness Bracket & Bolts
Courtesy of GENERAL MOTORS CORP.

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

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

10. Install the cooling fan pulley. Refer to Cooling Fan Pulley Replacement.

11. Install the power steering pump bracket. Refer to Air Conditioning (A/C) Compressor

and Power Steering Pump Bracket Replacement .

12. Reposition the power steering pump and install the power steering pump bolts. Refer to

Power Steering Pump Replacement (4.3L) or Power Steering Pump Replacement
(4.8L, 5.3L, 6.0L, and 6.2L) or Power Steering Pump Replacement (6.6L) .

2008 Chevrolet Silverado 1500

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

Fig. 167: View Of (ECT) Sensor Electrical Connectors
Courtesy of GENERAL MOTORS CORP.

13. Install the water outlet. Refer to Water Outlet Tube Replacement (LMM) or Water

Outlet Tube Replacement (LU3).

14. Connect the ECT sensor electrical connectors.

15. Install the front oil fill tube. Refer to Oil Filler Tube Replacement .

16. Install the generator bracket. Refer to Generator Bracket Replacement (4.3L) or

Generator Bracket Replacement (4.8L, 5.3L, 6.0L, and 6.2L) or Generator Bracket
Replacement (6.6L) .

2008 Chevrolet Silverado 1500

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

Fig. 168: View Of A/C Pressure Switch Electrical Connector & A/C Compressor
Clutch Electrical Connector
Courtesy of GENERAL MOTORS CORP.

17. Connect the A/C compressor clutch electrical connector (2).

18. Connect the A/C cut out switch electrical connector (1).

19. Install the drive belt. Refer to Drive Belt Replacement .

20. Connect the negative battery cables. Refer to Battery Negative Cable Disconnection and

Connection (w/Single Battery) or Battery Negative Cable Disconnection and
Connection (w/Auxiliary Battery) or Battery Negative Cable Disconnection and
Connection (w/Dual Batteries) .

21. Fill the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) or

2008 Chevrolet Silverado 1500

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

Cooling System Draining and Filling (Static Fill).

22. Install the air cleaner. Refer to Air Cleaner Assembly Replacement .

COOLANT AIR BLEED PIPE ASSEMBLY REPLACEMENT (LH6, LY5, LMG, L76, L92)

Removal Procedure

Fig. 169: View Of Radiator Vent Inlet Hose & Clamps
Courtesy of GENERAL MOTORS CORP.

1. If replacing the rear coolant air bleed covers, remove the intake manifold. Refer to Intake

Manifold Replacement (L92 - First Design) or Intake Manifold Replacement (L92 -

2008 Chevrolet Silverado 1500

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