Chevrolet Silverado / GMC Sierra. Manual - part 26
Fig. 47: View Of Engine Wiring Harness & Components
Courtesy of GENERAL MOTORS CORP.
6. Disconnect the following electrical connectors:
The evaporative emission (EVAP) canister purge solenoid valve (1)
The manifold absolute pressure (MAP) sensor
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 48: View Of EVAP Canister Purge Solenoid Valve Tube Quick Connect Fitting
Courtesy of GENERAL MOTORS CORP.
7. Disconnect the evaporative emission (EVAP) canister purge solenoid valve tube quick
connect fitting (1) from the EVAP purge solenoid valve. Refer to Plastic Collar Quick
Connect Fitting Service .
8. Reposition the tube out of the way.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 49: Engine Wiring Harness Ground Nut
Courtesy of GENERAL MOTORS CORP.
9. Remove the engine wiring harness ground nut and ground wire (1) from the rear of the right
cylinder head.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 50: Engine Wiring Harness Bracket Stud
Courtesy of GENERAL MOTORS CORP.
10. Remove the stud (1) holding the engine wiring harness bracket.
11. Reposition the engine wiring harness with the bracket aside.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado