Chevrolet Silverado / GMC Sierra. Service manual — part 1949

38. Connect the engine harness electrical connector (3) to the throttle actuator.

39. Connect the engine harness electrical connector (1) to the ignition coil harness electrical

connector.

40. Install the CPA retainer (2).

Fig. 173: View Of CPA Retainer, Electrical Connectors & Engine Harness Clips
Courtesy of GENERAL MOTORS CORP.

41. Install the engine harness clip (4) to the ignition coil bracket stud.

42. Connect the engine harness electrical connectors (3) to the left side fuel injectors.

43. Connect the engine harness electrical connector (1) to the ignition coil harness electrical

connector.

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

44. Install the CPA retainer (1).

Fig. 174: View Of Engine Harness Retainer Nut & Electrical Connectors
Courtesy of GENERAL MOTORS CORP.

45. Connect the engine wiring harness electrical connector (4) to the MAP sensor.

46. Connect the engine harness electrical connector (2) to the EVAP canister purge solenoid.

47. Install the engine harness retainer to the stud and locator pin.

48. Install the engine harness retainer nut (1).

Tighten: Tighten the nut to 5 N.m (44 lb in).

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

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 (LH6, LMG, LY5 AND L76)

Removal Procedure

Fig. 175: 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.

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. 176: 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