Hummer H3. Manual — part 456

Fig. 643: Identifying Camshaft Cover & Bolts
Courtesy of GENERAL MOTORS CORP.

1. Install a new camshaft cover seal.

2. Install the camshaft cover and bolts.

Tighten: Tighten the camshaft cover bolts to 10 N.m (89 lb in).

NOTE:

Refer to FASTENER NOTICE .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 644: View Of Ignition Control Modules & Bolts
Courtesy of GENERAL MOTORS CORP.

3. Install new ignition control module seals.

4. Install the ignition control modules and bolts.

Tighten: Tighten the ignition control module bolts to 10 N.m (89 lb in).

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 645: View Of Coolant Temperature Sensor
Courtesy of GENERAL MOTORS CORP.

5. Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the coolant temperature sensor

threads.

6. Install the coolant temperature sensor.

Tighten: Tighten the coolant temperature sensor to 16 N.m (12 lb ft).

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

CAMSHAFT POSITION ACTUATOR SOLENOID VALVE INSTALLATION

Fig. 646: Identifying Camshaft Position Actuator Valve & Bolt
Courtesy of GENERAL MOTORS CORP.

1. Apply clean engine oil to the camshaft position actuator valve hole.

2. Install the camshaft position actuator valve.

3. Add threadlock GM P/N 12346004 (Canadian P/N 10953480) to the camshaft position

actuator valve bolt threads.

NOTE:

Refer to FASTENER NOTICE .

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3