Hummer H3. Manual — part 513

Fig. 88: PCV Hose/Tube
Courtesy of GENERAL MOTORS CORP.

44. Connect the engine wiring harness electrical connector (3) to the MAP sensor.

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

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

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

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

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

48. Install the generator. Refer to Generator Replacement (LH8) .

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

Replacement .

ENGINE BLOCK VALLEY COVER REPLACEMENT

Removal Procedure

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 89: View Of Engine Valley Cover
Courtesy of GENERAL MOTORS CORP.

1. Remove the intake manifold. Refer to Intake Manifold Replacement.

2. Remove the engine valley cover bolts (506).

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

3. Remove the engine valley cover (555) and gasket (556).

4. Remove the O-ring seals (537) from the cover.

Fig. 90: View Of Oil Pressure Sensor & Washer
Courtesy of GENERAL MOTORS CORP.

5. Remove the oil pressure sensor (706) and washer (707).

Installation Procedure

IMPORTANT: All gasket surfaces should be free of oil or other foreign material

during assembly.

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3