Hummer H2. Manual - part 2699

Fig. 145: Rear Output Shaft & Rear Case Half 
Courtesy of GENERAL MOTORS CORP. 

52. Install the rear output shaft in the rear case half. 

1. Spread the rear output shaft rear bearing outer retaining ring.  

2. Install the rear output shaft bearing outer retaining ring until it is seated in the bearing groove. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2

  

Fig. 146: Applying RTV Sealant GM P/N 12345739 To Mating Surfaces Of Front Case Half 
Courtesy of GENERAL MOTORS CORP. 

53. Install the locating pins in the front case and rear case half, if necessary.  

54. Apply a 3.175 mm (1/8 in) bead of RTV Sealant GM P/N 12345739 (Canadian P/N 10953541) or 

equivalent to the mating surfaces of the front case half. 

IMPORTANT:

z

Excessive amounts of sealer may plug the oil pump screen.  

z

Ensure that both the sealing surfaces on the front and rear case 
halves are free of dirt, oil, and cleaning solvent.  

z

Ensure the locating pins are installed in the case halves.  

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2

  

Fig. 147: Rear Case Half 
Courtesy of GENERAL MOTORS CORP. 

55. Lower the rear case half into place. 

The rear output may require rotating to align the teeth with the planetary differential. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2

  

Fig. 148: Transfer Case Retaining Bolts & Washers 
Courtesy of GENERAL MOTORS CORP. 

NOTE:

This component is made of magnesium. Proper assembly is required to 
prevent damage. Ensure the magnesium transfer case housings are 
properly insulated from all external steel components, or galvanic 
corrosion will occur. New nylon coated case bolts and aluminum washers 
must be used. Use only aluminum fill and drain plugs. Use only aluminum 
brackets under the case bolts. Ensure new seals are installed that have a 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2