Hummer H2. Manual - part 922

Installation Procedure 

Fig. 64: Differential Carrier Assembly Left & Right Side Axle Mount Bolts & Nuts 
Courtesy of GENERAL MOTORS CORP. 

1. Install the differential carrier assembly to the vehicle.  

2. Perform the following procedure before installing the axle mounting bolts. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

1. Remove all traces of the original adhesive patch.  

2. Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.  

3. Apply Threadlocker GM P/N 12345382 (Canadian P/N 10953489) to the threads of the bolt.  

3. Install the differential carrier assembly right side axle mount bolt and nut. 

Tighten: Tighten the bolts to 100 N.m (75 lb ft). 

4. Install the differential carrier assembly left side axle mount bolt and nut. 

Tighten: Tighten the bolts to 100 N.m (75 lb ft). 

5. Remove the transmission jack.  

6. Install the lower control arm crossmember. Refer to Crossmember Replacement (Lower Control Arm)

in Frame and Underbody. 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 65: Identifying Vent Hose & Differential Carrier Case Assembly 
Courtesy of GENERAL MOTORS CORP. 

7. Connect the vent hose (1) to the differential carrier case assembly (2).  

8. Install the wheel drive shafts. Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts.  

9. Install the front propeller shaft to the differential carrier assembly. Refer to Propeller Shaft 

Replacement - Front in Propeller Shaft.  

10. Inspect the lubricant level and add, if necessary. Refer to Lubricant Level Inspection - Front Drive 

Axle .  

11. Install the catalytic converter guard. Refer to Catalytic Converter Guard Replacement in Frame and 

Underbody.  

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

12. Install the engine protection shield. Refer to Engine Protection Shield Replacement in Frame and 

Underbody.  

13. Remove the jack or utility stands.  

14. Lower the vehicle.  

DIFFERENTIAL CARRIER ASSEMBLY - DISASSEMBLE 

Tools Required 

z

J 22912-01 Split-Plate Bearing Remover. See Special Tools and Equipment .  

z

J 2619-01 Slide Hammer  

z

J 29369-2 Bushing and Bearing Remover 2-3 in. See Special Tools and Equipment .  

z

J 36599-A Side Bearing Nut Wrench. See Special Tools and Equipment .  

z

J 36615 Side Bearing Nut Wrench. See Special Tools and Equipment .  

z

J 45754 Pinion Bearing Race Remover/Installer - 9.25 inch Axle  

z

J 45755 Front Axle Bushing Remover/Installer. See Special Tools and Equipment .  

z

J 45765 Pinion Remover - 8.25 inch/9.25 inch Axles  

z

J 8614-01 Flange and Pulley Holding Tool. See Special Tools and Equipment .  

Inspection Procedure 

Perform the following before disassembling the axle: 

1. Remove the fill plug from the axle.  

2. Remove the drain plug from the axle.  

3. Drain the axle lubricant.  

4. Inspect the oil and the case for metal chips. 

Determine the source of the metal chips, such as a broken gear or bearing cage. 

5. Check the ring gear backlash. Refer to Backlash Inspection and Adjustment .  

This information can be used in order to determine the cause of the axle problem. The information will also help 
when setting up and preloading the differential case. 

Determine the cause of the axle problem before disassembly, if possible. 

Disassembly Procedure 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2