Hummer H2. Manual - part 1759

Fig. 228: Oil Level Sensor Electrical Connector 
Courtesy of GENERAL MOTORS CORP. 

33. Disconnect the following electrical connectors: 

z

The crankshaft position (CKP) sensor (1)  

z

The engine oil level sensor (6)  

z

The coolant heater, if equipped 

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

Fig. 229: Battery Cable Channel Bolt 
Courtesy of GENERAL MOTORS CORP. 

34. Remove the battery cable channel bolt.  

35. Slide the channel pin out of the oil pan tab.  

36. Gather all branches of the engine wiring harness and reposition off to the side.  

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

37. Lower the vehicle. 

Fig. 230: View Of Generator Bracket & Bolts 
Courtesy of GENERAL MOTORS CORP. 

38. Remove the rear power steering pump-to-engine block bolt.  

39. Remove the generator bracket mounting bolts. 

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2

  

40. Position the bracket aside.  

41. Remove the ignition coil, as required for the proper fit of the J 41798 before lifting the engine. See 

Special Tools and Equipment . Refer to Ignition Coil(s) Replacement in Engine Controls - 6.0L. 

Fig. 231: View Of J 41798 
Courtesy of GENERAL MOTORS CORP. 

42. Install the J 41798 to the cylinder heads. See Special Tools and Equipment . 

Tighten:  

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 ENGINE Engine Mechanical - 4.8L, 5.3L, and 6.0L - Hummer H2