Hummer H2. Manual - part 973

46. Remove the outer pinion bearing cup by turning the forcing screw clockwise. 

Fig. 90: Installing J 45755-3, J 45755-4, Forcing Screw, Bearing & Washers Over Differential 
Carrier Assembly 
Courtesy of GENERAL MOTORS CORP. 

47. Install the J 45755-3 (2), J 45755-4 (3), and the forcing screw, bearing and the washers (1) over the 

differential carrier assembly bushing as shown.  

48. Remove the differential carrier assembly bushing using the J 45755 . See Special Tools and 

Equipment .  

DIFFERENTIAL CASE ASSEMBLY DISASSEMBLE 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Tools Required 

z

J 22888-D Side Bearing Remover Kit. See Special Tools and Equipment .  

z

J 36597 Side Bearing Puller Pilot - 9.25 in Axle  

1. Remove the differential side bearing by performing the following steps: 

1. Place the differential case in a vise. 

Fig. 91: Removing Differential Side Bearings 
Courtesy of GENERAL MOTORS CORP. 

2. Install the J 22888-20A (2) and the J 36597 (1) as shown. See Special Tools and Equipment .  

3. Remove the differential side bearings using the J 22888-20A . 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

2. Remove the differential assembly from the vise. 

Fig. 92: Identifying Ring Gear Bolts 
Courtesy of GENERAL MOTORS CORP. 

IMPORTANT: The ring gear bolts have left-hand threads.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

3. Remove the ring gear bolts. Discard the bolts. 

Fig. 93: Removing Ring Gear From Differential Case 
Courtesy of GENERAL MOTORS CORP. 

4. Remove the ring gear from the differential case. 

Drive the ring gear off with a brass drift if necessary.

NOTE:

Do not pry the ring gear from the differential case. Prying the ring gear 
from the differential case may cause damage to the ring gear and/or the 
differential case.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2