Hummer H3. Manual — part 163

Fig. 292: View Of Radiator Inlet Hose
Courtesy of GENERAL MOTORS CORP.

74. Position the J 38185 to the clamp (3) in order to connect the radiator inlet hose (2) to the

water outlet housing (4). See Special Tools.

75. Install the generator. Refer to Generator Replacement .

76. Install the air cleaner resonator and outlet duct. Refer to Air Cleaner Resonator and

Outlet Duct Replacement in Engine Controls - 3.5L (L52).

77. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine

Controls - 3.5L (L52).

78. Install the cooling fan. Refer to Fan Replacement .

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

79. Install the outlet radiator hose. Refer to Radiator Hose Replacement - Outlet .

80. Fill the cooling system. Refer to Draining and Filling Cooling System .

81. Install the battery box. Refer to Battery Box Replacement .

82. Install the hood. Refer to Hood Replacement .

83. Fill the engine oil, if previously drained. Refer to Engine Oil and Oil Filter

Replacement.

Engine Final Test and Inspection

Complete the following procedure after the engine is installed in the vehicle:

1. With the ignition OFF or disconnected, crank the engine several times. Listen for any

unusual noises or evidence that any parts are binding.

2. Start the engine and listen for abnormal conditions.

3. Check the vehicle oil pressure gage or light and confirm that the engine has acceptable oil

pressure.

4. Run the engine at approximately 1,000 RPM until the engine reaches normal operating

temperature.

5. While the engine continues to idle raise and support the vehicle. Refer to Lifting and

Jacking the Vehicle .

6. Inspect for oil, coolant, transmission fluid, and exhaust leaks while the engine is idling.

7. Lower the vehicle.

8. Perform the CKP variation learn procedure. Refer to CKP System Variation Learn

Procedure in Engine Controls - 3.5L (L52).

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

10. Road test the vehicle.

ENGINE OIL AND OIL FILTER REPLACEMENT

Removal Procedure

1. Remove the oil fill cap.

2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General

Information.

3. Clean away all dirt and debris from the engine oil pan drain plug area.

4. Position an appropriate container under the engine oil pan.

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Fig. 293: View Of Oil Pan Drain Plug
Courtesy of GENERAL MOTORS CORP.

5. Remove the oil pan drain plug.

Allow the engine oil to drain into the container.

6. Position the container under the engine oil filter drain deflector.

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3

Fig. 294: Oil Filter
Courtesy of GENERAL MOTORS CORP.

7. Remove the oil filter using a suitable wrench.

IMPORTANT: Ensure the old oil filter seal is not left on the engine block.

2006 Hummer H3

2006 ENGINE Engine Mechanical - 3.5L (L52) - H3