Hummer H2. Manual — part 1475

Fig. 175: Crankshaft Position (CKP) Sensor
Courtesy of GENERAL MOTORS CORP.

3. Connect the CKP sensor electrical connector.

2004 Hummer H2

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

Fig. 176: View Of Starter
Courtesy of GENERAL MOTORS CORP.

4. Install the starter. Refer to Starter Motor Replacement in Engine Electrical.

5. Lower the vehicle.

6. Connect the negative battery cable.

7. Perform the CKP system variation learn procedure. Refer to CKP System Variation Learn Procedure .

2004 Hummer H2

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

CAMSHAFT POSITION (CMP) SENSOR REPLACEMENT

Removal Procedure

Fig. 177: View Of Camshaft Sensor & Bolt
Courtesy of GENERAL MOTORS CORP.

1. Remove the engine sight shield. Refer to Engine Sight Shield Replacement (6.0L (LQ4)) in Engine

Mechanical 6.0L.

2. Disconnect the CMP sensor electrical connector.

IMPORTANT: Clean the area around the camshaft position (CMP) sensor before removal in

order to prevent debris from entering the engine.

2004 Hummer H2

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2

3. Remove the CMP sensor bolt.

4. Remove the CMP sensor.

Installation Procedure

Fig. 178: View Of Camshaft Sensor & Bolt
Courtesy of GENERAL MOTORS CORP.

1. Install the CMP sensor.

2. Install the CMP sensor bolt.

NOTE:

Refer to Fastener Notice in Cautions and Notices.

2004 Hummer H2

2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2