Hummer H2. Manual - part 1850

Fig. 567: Installing Insert & Driver Into Cylinder Bolt Hole 
Courtesy of GENERAL MOTORS CORP. 

19. Install the insert and driver (1) into the hole. 

Rotate the driver tool until the mark on the tool aligns with the deck surface of the engine block. 

The installer tool will tighten up before screwing completely through the insert. This is acceptable. You 
are forming the bottom threads of the insert and mechanically locking the insert to the base material 
threads. 

Main Cap Bolt Hole Thread Repair 

 

2004 Hummer H2 

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

  

 

2004 Hummer H2 

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

  

Fig. 568: Main Cap Bolt Hole Thread Repair Kit
Courtesy of GENERAL MOTORS CORP. 

1. The main cap bolt hole thread repair kit consists of the following items: 

z

The drill (1)  

z

The tap (2)  

z

The installer (3)  

z

The fixture plate (4)  

z

The long bolts (5)  

z

The short bolts (6)  

z

The alignment pin (7)  

z

The bushing (8)  

 

2004 Hummer H2 

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

  

Fig. 569: Fixture Plate, Bolt & Bushing 
Courtesy of GENERAL MOTORS CORP. 

2. Install the fixture plate, bolt, and bushing, onto the engine block. 

Position the fixture plate and bushing over the hole that is to be repaired. 

3. Position the alignment pin in the desired hole and tighten the fixture retaining bolts. 

 

2004 Hummer H2 

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