Hummer H2. Manual - part 2307

Fig. 260: Reaction Carrier/Support Thrust Bearing Assembly & Reaction Gear Support To Case 
Bearing 
Courtesy of GENERAL MOTORS CORP. 

1. Inspect the reaction carrier/support thrust bearing assembly (683) for wear or damage.  

2. Inspect the reaction gear support to case bearing (692) for wear or damage. 

 

2004 Hummer H2 

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

  

Fig. 261: Internal Reaction Gear & Internal Reaction Gear Support 
Courtesy of GENERAL MOTORS CORP. 

3. Inspect the internal reaction gear (684) and the internal reaction gear support (685) for proper assembly, 

stripped splines, cracks, teeth, and lug damage. 

 

2004 Hummer H2 

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

  

Fig. 262: Reaction Carrier Pinion End Play 
Courtesy of GENERAL MOTORS CORP. 

4. Check the reaction carrier pinion end play. The end play must not exceed 0.61 mm (0.024 in). 

Inspect the reaction carrier for the following conditions: 

z

Pinion gear damage  

z

Proper pinion staking  

z

Excessive pinion washer wear  

z

Keystoned pinion gears  

5. Ensure that the pinions turn freely. 

IMPORTANT: Inspect all pinions, either 4 or 5 depending on model.

 

2004 Hummer H2 

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

  

Fig. 263: Reaction Carrier Captive Thrust Bearing 
Courtesy of GENERAL MOTORS CORP. 

6. Inspect the reaction carrier captive thrust bearing for wear or damage. 

1. Without touching the pinion gears, place a bushing or an output shaft sleeve (690) onto the bearing 

race, and turn it with the palm of your hand.  

2. Any imperfections will be felt through the bushing.  

REACTION GEAR AND CARRIER INSTALLATION 

Tools Required 

J 36850 Transjel Lubricant 

 

2004 Hummer H2 

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2