Hummer H2. Manual - part 2758

Fig. 73: View Of Front Case Vent 
Courtesy of GENERAL MOTORS CORP. 

5. If the vent is removed, apply pipe sealant GM P/N 12346004 (Canadian P/N 10953480) to the threads on 

the vent.  

6. Install the vent. 

Tighten: Tighten the vent to 6 N.m (53 lb in).

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - Overhaul - BW 4482-NR4

  

Fig. 74: Identifying Annulus Gear 
Courtesy of GENERAL MOTORS CORP. 

7. Install the annulus gear in the front case half. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - Overhaul - BW 4482-NR4

  

Fig. 75: Locating Retaining Ring For Annulus Gear 
Courtesy of GENERAL MOTORS CORP. 

8. Install a NEW retaining ring for the annulus gear. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - Overhaul - BW 4482-NR4

  

Fig. 76: Installing Input Shaft Bearing 
Courtesy of GENERAL MOTORS CORP. 

9. Install the input shaft bearing in the front case half. 

z

Use a hammer and a brass drift only on the outer bearing race.  

z

Ensure the bearing is kept square to the bore while installing. 

IMPORTANT: Lubricate all of the bearings and bearing journals with transfer case fluid 

during installation.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - Overhaul - BW 4482-NR4