Hummer H3. Manual — part 545

Fig. 200: Transmission Cooler Lines And Brackets
Courtesy of GENERAL MOTORS CORP.

12. Install the starter. Refer to Starter Motor Replacement (LH8) .

13. Install the inner axle shaft. Refer to Front Drive Axle Inner Shaft and Inner Shaft

Housing Replacement .

14. Install the transmission oil cooler line retaining bracket (4) and bolt (3).

Tighten: Tighten the bolt to 9 N.m (80 lb in).

15. Install the transmission oil cooler lines (1) to the retainer (2).

16. Install the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement.

17. Fill the engine with oil. Refer to Engine Oil and Oil Filter Replacement.

18. Install the front differential. Refer to Differential Carrier Assembly Replacement .

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

19. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and

Connection .

ENGINE OIL PRESSURE SENSOR AND/OR SWITCH REPLACEMENT

Tools Required

J 41712 Oil Pressure Switch Socket. See Special Tools.

Removal Procedure

Fig. 201: Locating Components Connectors At Rear Of Engine

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Courtesy of GENERAL MOTORS CORP.

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

2. Disconnect the oil pressure sensor electrical connector (1).

Fig. 202: View Of Oil Pressure Sensor & J 41712
Courtesy of GENERAL MOTORS CORP.

3. Using J 41712 or equivalent, remove the oil pressure sensor. See Special Tools.

Installation Procedure

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3

Fig. 203: View Of Oil Pressure Sensor & J 41712
Courtesy of GENERAL MOTORS CORP.

1. Apply sealant to the threads of the oil pressure sensor. Refer to Adhesives, Fluids,

Lubricants, and Sealers for the correct part number.

2. Using J 41712 or equivalent, install the oil pressure sensor. See Special Tools.

Tighten: Tighten the sensor to 35 N.m (26 lb ft).

NOTE:

Refer to Fastener Notice .

2008 Hummer H3

2008 ENGINE Engine Mechanical - 5.3L - H3