Hummer H2. Manual — part 2696

Fig. 133: Front Sun Gear
Courtesy of GENERAL MOTORS CORP.

37. Install the front sun gear.

2004 Hummer H2

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

Fig. 134: Aligning Marks On Pinion Gears
Courtesy of GENERAL MOTORS CORP.

38. With the rear side of the planetary differential facing up, align the marks on the pinion gears. Position the

alignment marks with an area on the planetary differential that can be reference for all gears.

IMPORTANT: or

The planetary differential gears are timed to the sun gears. If the gears are
not timed properly, the differential will not rotate without binding.

2004 Hummer H2

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

Fig. 135: Planetary Differential Assembly
Courtesy of GENERAL MOTORS CORP.

39. Install the planetary differential assembly.

z

Do not rotate the planetary differential pinion gears when installing.

z

Ensure the alignment marks are still in position.

z

The single row pinion gears face rearward, or up. The double row pinion gears face forward, or
down.

2004 Hummer H2

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

Fig. 136: Rear Output Shaft Thrust Washer
Courtesy of GENERAL MOTORS CORP.

40. Lubricate the rear output shaft thrust washer with J 36850 or equivalent. See Special Tools and

Equipment .

41. Install the thrust washer.

2004 Hummer H2

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