Chevrolet Silverado / GMC Sierra. Service manual — part 316

Tighten: Tighten the engine sight shield retainer bolts to 5 N.m (44 lb in).

Fig. 287: View Of Top Engine Cover
Courtesy of GENERAL MOTORS CORP.

57. Install the engine sight shield to the retainer.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

58. Tighten the engine sight shield bolt.

Tighten: Tighten the bolt to 10 N.m (89 lb in).

59. Install the heater hoses. Refer to Heater Inlet Hose Replacement and Heater Outlet

Hose Replacement .

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Fig. 288: View Of Radiator Inlet And Outlet Hoses
Courtesy of GENERAL MOTORS CORP.

60. Install the radiator outlet hose to the water pump.

61. Position the radiator outlet hose clamp at the water pump.

Fig. 289: View Of Inlet Hose To Water Pump

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2

Courtesy of GENERAL MOTORS CORP.

62. Install the radiator inlet hose to the water pump.

63. Position the radiator inlet hose clamp at the water pump.

64. Install the radiator supports. Refer to Radiator Support Replacement .

65. Install the A/C compressor. Refer to Compressor Replacement .

66. Install the hood. Refer to Hood Replacement .

67. Fill the crankcase with the proper quantity and grade of engine oil. Refer to Approximate

Fluid Capacities or Fluid and Lubricant Recommendations .

68. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System

Variation Learn .

1. Disable the ignition system.

2. Crank the engine several times. Listen for any unusual noises or evidence that parts are

binding.

3. Enable the ignition system.

4. Start the engine and listen for unusual noises.

5. Check the vehicle oil pressure gauge or light and confirm that the engine has

acceptable oil pressure.

6. Run the engine speed at about 1000 RPM until the engine has reached normal

operating temperature.

7. Listen for sticking lifter and other unusual noises.

8. Inspect for fuel, oil and/or coolant leaks while the engine is running.

9. Perform a final inspection for the proper engine oil and coolant levels.

69. Close the hood.

ENGINE OIL AND OIL FILTER REPLACEMENT

Removal Procedure

IMPORTANT: After an overhaul, the engine should be tested. Use the

following procedure after the engine is installed in the
vehicle.

IMPORTANT: In order to completely drain the oil from the oil pan internal

baffling, the bottom of the oil pan must be level during the oil
drain procedure.

2008 Hummer H2

2008 ENGINE Engine Mechanical - 6.2L - H2