Chevrolet Silverado / GMC Sierra. Manual — part 1933

8. Disconnect the engine harness electrical connector (1) from the ignition coil harness

electrical connector.

9. Disconnect the engine harness electrical connectors (3) from the left side fuel injectors.

10. Remove the engine harness clip (4) from the ignition coil bracket stud.

Fig. 111: View Of CPA Retainer, Engine Harness Electrical Connectors & Harness
Clips
Courtesy of GENERAL MOTORS CORP.

11. Remove the CPA retainer (2).

12. Disconnect the engine harness electrical connector (1) from the ignition coil harness

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

electrical connector.

13. Disconnect the engine harness electrical connector (3) from the throttle actuator.

14. Remove the engine harness clip (4) from the generator battery jumper cable.

15. Remove the engine harness clip (6) from the ignition coil bracket stud.

16. Disconnect the engine harness electrical connectors (7) from the right side fuel injectors.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 112: View Of Engine Wiring Harness, Clip, Bolt & Connector
Courtesy of GENERAL MOTORS CORP.

17. Remove the engine harness clip (1) bolt (3).

18. Disconnect the engine harness electrical connector (2) from the engine coolant temperature

(ECT) sensor.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

19. Gather the engine harness branches and tie the harness up out of the way to the cowl panel.

Fig. 113: View Of Brake Booster Vacuum Hose & Booster Fitting
Courtesy of GENERAL MOTORS CORP.

20. Reposition the brake booster vacuum hose clamp at the booster.

21. Remove the brake booster vacuum hose from the booster fitting.

22. Secure the brake booster vacuum hose to the intake manifold.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado