Chevrolet Silverado / GMC Sierra. Service manual — part 1941

49. Install the generator. Refer to Generator Replacement (4.8L, 5.3L, 6.0L, and 6.2L) .

50. Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct

Replacement .

INTAKE MANIFOLD REPLACEMENT (LY2 AND LY6)

Removal Procedure

Fig. 142: View Of Engine Harness Retainer Nut & Electrical Connectors
Courtesy of GENERAL MOTORS CORP.

1. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct

Replacement .

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

2. Remove the generator. Refer to Generator Replacement (4.8L, 5.3L, 6.0L, and 6.2L) .

3. Remove the engine harness retainer nut (1).

4. Remove the engine harness retainer from the stud and locator pin.

5. Disconnect the engine harness electrical connector (2) from the evaporative emission

(EVAP) canister purge solenoid.

6. Disconnect the engine wiring harness electrical connector (4) from the manifold absolute

pressure (MAP) sensor.

Fig. 143: View Of CPA Retainer, Electrical Connectors & Engine Harness Clips
Courtesy of GENERAL MOTORS CORP.

7. Remove the connector position assurance (CPA) retainer (1).

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

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. 144: 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