Hummer H2. Manual - part 2667

4. Lower the vehicle.  

TRANSFER CASE ASSEMBLY REPLACEMENT 

Removal Procedure 

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.  

2. Drain the transfer case. Refer to Transfer Case Fluid Replacement .  

3. Drain the transmission fluid. Refer to Automatic Transmission Fluid/Filter Replacement in Automatic 

Transmission - 4L60-E/4L65-E.  

4. Remove the transmission support member. Refer to Transmission Support Replacement .  

5. Remove the rear propeller shaft from the transfer case. Refer to Propeller Shaft Replacement - Rear in 

Propeller Shaft.  

6. Remove the front propeller shaft from the transfer case. Refer to Propeller Shaft Replacement - Front 

in Propeller Shaft. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2

  

Fig. 25: Removing Vent Hoses From Transfer Case & Transmission 
Courtesy of GENERAL MOTORS CORP. 

7. Remove the vent hoses from the transfer case and transmission. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2

  

Fig. 26: Electrical Connector & Speed Sensor 
Courtesy of GENERAL MOTORS CORP. 

8. Disconnect the electrical connector from the speed sensor.  

9. Disconnect the encoder motor from the electrical connector.  

10. Remove the fuel lines from the retainer at the top of the transfer case.  

11. Install a suitable transmission jack to the transfer case.  

12. Remove the bolts from the transfer case to the adapter. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2

  

Fig. 27: Transfer Case Assembly 
Courtesy of GENERAL MOTORS CORP. 

13. Remove the transfer case from the transfer case adapter.  

14. Rotate the transfer case so that the transfer case is perpendicular to the torsion bar mounting bracket.  

15. Lower the transfer case.  

16. Remove the gasket from the transfer case.  

17. Remove the transfer case from the transmission jack.  

Installation Procedure 

IMPORTANT: Pull straight back on the transfer case in order to position the transfer 

case so that the transfer case can be turned parallel to the transmission.

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Transfer Case - BW 4484 - Hummer H2