Hummer H2. Manual - part 974

Fig. 94: Pinion Shaft Lock Bolt 
Courtesy of GENERAL MOTORS CORP. 

5. Remove the pinion shaft lock bolt. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 95: View Of Differential Components 
Courtesy of GENERAL MOTORS CORP. 

6. Remove the pinion shaft.  

7. Remove the differential side gear spacers. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 96: Differential Pinion Gears & Thrust Washers 
Courtesy of GENERAL MOTORS CORP. 

8. Remove the differential pinion gears and thrust washers by performing the following steps: 

1. Drive the pinion gear thrust washers out from the differential case using a hammer and a brass drift. 

2. Roll the differential pinion gears out of the differential case. 

Mark the pinion gears and thrust washers top and bottom.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 97: Differential Side Gears & Thrust Washers 
Courtesy of GENERAL MOTORS CORP. 

9. Remove the differential side gears and thrust washers. 

Mark the differential side gears and thrust washers left and right. 

DIFFERENTIAL CASE BEARINGS INSPECTION 

IMPORTANT:

z

When replacing the worn or cracked bearings and the cups, replace 
the bearings in sets.  

z

The low mileage bearings may have very small scratches and pits on 
the rollers and the bearing cups from the initial preload. 

Do not replace a bearing for this reason. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2