Hummer H3. Manual — part 173

Fig. 330: Exploded View Of Oil Pump
Courtesy of GENERAL MOTORS CORP.

1. Remove the oil pump cover bolts.

2. Remove the oil pump cover.

3. Mark the inner and outer gears in relation to the oil pump housing.

4. Remove the inner and outer oil pump gears.

5. Remove the oil pump pressure relief valve plug.

6. Remove the oil pump pressure relief valve and spring.

TIMING CHAIN AND SPROCKETS REMOVAL

2006 Hummer H3

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

Fig. 331: View Of Exhaust Camshaft Sensor
Courtesy of GENERAL MOTORS CORP.

1. Remove the exhaust camshaft sensor bolt.

2. Remove the exhaust camshaft sensor.

3. Remove the intake camshaft sensor bolt.

4. Remove the intake camshaft sensor.

2006 Hummer H3

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

Fig. 332: Intake Camshaft Sensor
Courtesy of GENERAL MOTORS CORP.

5. Remove the top chain guide bolts.

6. Remove the top chain guide.

2006 Hummer H3

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

Fig. 333: Top Chain Guide
Courtesy of GENERAL MOTORS CORP.

7. Remove and discard the exhaust camshaft position actuator bolt.

8. Remove the exhaust camshaft position actuator.

2006 Hummer H3

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