Chevrolet Silverado / GMC Sierra. Service manual — part 1780

Removal Procedure

Fig. 291: View Of Engine Wiring Harness & Components
Courtesy of GENERAL MOTORS CORP.

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection

and Connection (w/Single Battery) or Battery Negative Cable Disconnection and

CAUTION: Refer to BATTERY DISCONNECT CAUTION

2008 Chevrolet Silverado 1500

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

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

2. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator

Replacement .

3. Remove the drive belt. Refer to Drive Belt Replacement .

4. Remove the engine wiring harness clip (1) from the air conditioning (A/C)

compressor/condenser hose bracket.

Fig. 292: View Of A/C Compressor & Condenser Hose Bracket & Bolt
Courtesy of GENERAL MOTORS CORP.

5. Remove the A/C compressor and condenser hose bracket bolt (2).

2008 Chevrolet Silverado 1500

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

Fig. 293: View Of Heater Outlet Hose & Clamp Bolt
Courtesy of GENERAL MOTORS CORP.

6. Remove the heater outlet hose clamp bolt (1) at the generator bracket.

2008 Chevrolet Silverado 1500

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

Fig. 294: View Of Engine Wiring Harness & Components
Courtesy of GENERAL MOTORS CORP.

7. Disconnect the engine wiring harness electrical connector (5) from the generator.

8. Reposition the engine wiring harness boot (6).

9. Remove the engine wiring harness nut (3) from the generator.

10. Remove the engine wiring harness lead (4) from the generator stud.

2008 Chevrolet Silverado 1500

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