Hummer H3. Manual — part 378

Fig. 357: View Of Exhaust Camshaft Sensor
Courtesy of GENERAL MOTORS CORP.

1. Remove the exhaust camshaft sensor bolt.

2. Remove the exhaust camshaft sensor.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 358: View Of Intake Camshaft Sensor
Courtesy of GENERAL MOTORS CORP.

3. Remove the intake camshaft sensor bolt.

4. Remove the intake camshaft sensor.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 359: Identifying Exhaust Camshaft Position Actuator
Courtesy of GENERAL MOTORS CORP.

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

6. Remove the exhaust camshaft position actuator.

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3

Fig. 360: View Of Timing Chain & Sprockets
Courtesy of GENERAL MOTORS CORP.

7. Remove the intake camshaft sprocket bolt.

8. Remove the intake camshaft sprocket.

9. Remove the timing chain.

10. Remove the crankshaft sprocket.

CRANKSHAFT REAR OIL SEAL AND HOUSING REMOVAL

2007 Hummer H3

2007 ENGINE Engine Mechanical - 3.7L - H3