Hummer H2. Manual - part 2665

Fig. 17: Speed Sensor & O-Ring 
Courtesy of GENERAL MOTORS CORP. 

1. Install the new rear speed sensor into the transfer case with a new O-ring seal. 

Tighten: Tighten the speed sensor to 17 N.m (13 lb ft).

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

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

  

Fig. 18: Electrical Connector & Speed Sensor 
Courtesy of GENERAL MOTORS CORP. 

2. Install the electrical connector to the speed sensor.  

3. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.  

TRANSFER CASE OUTPUT SHAFT SEAL REPLACEMENT - FRONT 

Tools Required 

 

2004 Hummer H2 

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

  

z

J 8092 Universal Handle  

z

J 43484 Front Output Shaft Seal Installer. See Special Tools and Equipment .  

Removal Procedure 

Fig. 19: Prying Inner Seal Race Forward 
Courtesy of GENERAL MOTORS CORP. 

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

2. Remove the front propeller shaft from the vehicle. Refer to Propeller Shaft Replacement - Front in 

Propeller Shaft.  

NOTE:

Refer to Transfer Case Seal Removal Notice in Cautions and Notices.

 

2004 Hummer H2 

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

  

3. Insert a flat-tipped screw driver in the inner race.  

4. Pry the inner race forward. 

Fig. 20: Inner Seal Race 
Courtesy of GENERAL MOTORS CORP. 

5. Insert a small pry bar in the inner race.  

6. Pry the inner part of the seal from the outer seal body.  

7. Remove the inner part of the seal. 

 

2004 Hummer H2 

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