Hummer H2. Manual - part 908

Fig. 16: Brinelling 
Courtesy of GENERAL MOTORS CORP. 

Surface indentations in the race way caused by the rollers under impact loading or caused from vibration while 
the bearing is not rotating. Replace a rough or noisy bearing. 

WHEEL BEARING WEAR - FRONT DRIVE AXLE (STRAIGHT) 

Straight Roller Bearing Diagnosis 

Consider the following factors when diagnosing a bearing condition: 

z

Note the general condition of all parts during disassembly and inspection.  

z

Classify the failure with the aid of the illustrations.  

z

Determine the cause.  

z

Make all repairs following recommended procedures. 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Wear (Minor) 

Fig. 17: Minor Wear 
Courtesy of GENERAL MOTORS CORP. 

Light pattern on races and rollers can be caused by fine abrasives. Clean all of the parts including the housings. 
Check the seals. Replace the bearings if rough or noisy. Replace the shaft if damaged. 

Wear (Major) 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 18: Major Wear 
Courtesy of GENERAL MOTORS CORP. 

Heavy pattern on races and rollers can be caused by fine abrasives. Clean all of the parts including the housing. 
Check the seals. Replace the bearings if rough or noisy. Replace the shaft if damaged. 

Brinelling 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2

  

Fig. 19: Brinelling 
Courtesy of GENERAL MOTORS CORP. 

Surface indentations in the raceway can be caused by roll either under impact loading or vibration while the 
bearing is not rotating. Replace the bearing if rough or noisy. Replace the shaft if damaged. 

Indentations 

 

2004 Hummer H2 

2004 DRIVELINE/AXLE Front Drive Axle - Hummer H2