Hummer H2. Manual - part 885

Fig. 123: Drive Side Heel - Coast Side Heel Contact Pattern 
Courtesy of GENERAL MOTORS CORP. 

Condition 

The backlash is incorrect. The ring gear is too far away from the pinion. 

Correction 

Decrease the backlash. Move the ring gear closer to the pinion by adjusting the side bearing shim thickness or 
the adjuster sleeve(s). Refer to Backlash Adjustment . 

Drive Side Toe - Coast Side Toe Contact Pattern 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

  

Fig. 124: Drive Side Toe - Coast Side Toe Contact Pattern 
Courtesy of GENERAL MOTORS CORP. 

Condition 

The backlash is incorrect. The ring gear is too close to the drive pinion. 

Correction 

Increase the backlash. Move the ring gear away from the pinion by adjusting the side bearing shim thickness or 
the adjuster sleeve(s). Refer to Backlash Adjustment . 

High Flank Contact Pattern 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

  

Fig. 125: High Flank Contact Pattern 
Courtesy of GENERAL MOTORS CORP. 

Condition 

The pinion depth is incorrect. The pinion gear is too far away from the ring gear. 

Correction 

Increase the pinion depth. Move the pinion gear closer to the ring gear by increasing the pinion shim thickness. 
Refer to Pinion Depth Adjustment . 

Low Flank Contact Pattern 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2

  

Fig. 126: Low Flank Contact Pattern 
Courtesy of GENERAL MOTORS CORP. 

Condition 

The pinion depth is incorrect. The pinion gear is too close to the ring gear. 

Correction 

Decrease the pinion depth. Move the pinion gear away from the ring gear by decreasing the pinion shim 
thickness. Refer to Pinion Depth Adjustment . 

DESCRIPTION AND OPERATION 

REAR DRIVE AXLE DESCRIPTION AND OPERATION 

Rear Axles for this vehicle consist of the following components:

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Rear Drive Axle - Hummer H2