Hummer H2. Manual - part 891

order to relieve the pressure against the differential bearing retainer. 

2. Remove the differential bearing retainer.  

Fig. 5: Differential Bearing Race 
Courtesy of GENERAL MOTORS CORP. 

5. Remove the differential bearing race.  

6. Remove the locking differential coil assembly. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Drive Axle - Locking/Limited Slip - Hummer H2

  

Installation Procedure 

1. Lubricate the differential bearing assembly, the differential coil assembly and the differential bearing race 

with axle lubricant. Use the proper fluid. Refer to Fluid and Lubricant Recommendations in 
Maintenance and Lubrication. 

Fig. 6: Differential Bearing Race 
Courtesy of GENERAL MOTORS CORP. 

2. Install the locking differential coil assembly. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Drive Axle - Locking/Limited Slip - Hummer H2

  

3. Install the differential bearing race. 

Fig. 7: Differential Bearing Retainer 
Courtesy of GENERAL MOTORS CORP. 

4. Install the differential bearing retainer by performing the following steps: 

1. Install the differential bearing retainer. 

IMPORTANT: The differential bearing race must be compressed in order to install the 

differential bearing retainer.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Drive Axle - Locking/Limited Slip - Hummer H2

  

2. With the aid of an assistant, push the differential bearing race down towards the differential case in 

order to compress the differential bearing retainer and differential coil assembly against the locking 
differential coil plate.  

3. Install the differential bearing retainer. 

Make sure the differential bearing retainer is evenly and fully seated in the differential bearing 
retainer slot before releasing the differential bearing race. 

5. Install the differential side bearing. Refer to Differential Side Bearings Replacement in Rear Drive 

Axle.  

6. Install the differential assembly. Refer to Differential Replacement in Rear Drive Axle.  

7. Lower the vehicle.  

LOCKING DIFFERENTIAL DISASSEMBLE 

1. Remove the differential side bearings. Refer to Differential Side Bearings Replacement in Rear Drive 

Axle.  

2. Remove the ring gear. Refer to Drive Pinion and Ring Gear Replacement in Rear Drive Axle. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Drive Axle - Locking/Limited Slip - Hummer H2