Hummer H3. Manual — part 136

14. Install the crossmember. Refer to Crossmember Replacement in Frame and Underbody.

15. Install the oil pan skid plate. Refer to Oil Pan Skid Plate Replacement in Frame and

Underbody.

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

Replacement.

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

ENGINE OIL PRESSURE SENSOR AND/OR SWITCH REPLACEMENT

Removal Procedure

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

Information.

2006 Hummer H3

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

Fig. 190: View Of Oil Pressure Switch Engine Wiring Harness Electrical Connector
Courtesy of GENERAL MOTORS CORP.

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

2006 Hummer H3

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

Fig. 191: View Of Engine Oil Pressure Switch
Courtesy of GENERAL MOTORS CORP.

3. Remove the engine oil pressure switch.

Installation Procedure

2006 Hummer H3

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

Fig. 192: View Of Engine Oil Pressure Switch
Courtesy of GENERAL MOTORS CORP.

1. Install the engine oil pressure switch.

Tighten: Tighten the switch to 20 N.m (15 lb ft).

NOTE:

Refer to Component Fastener Tightening Notice in Cautions
and Notices.

2006 Hummer H3

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