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