Hummer H2. Manual - part 2323

Fig. 323: Input Sun Gear Bearing Assembly & Input Housing 
Courtesy of GENERAL MOTORS CORP. 

4. Install the input sun gear bearing assembly (637) into the input housing.  

FORWARD CLUTCH SPRAG DISASSEMBLE 

 

2004 Hummer H2 

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

  

Fig. 324: Overrun Clutch Hub 
Courtesy of GENERAL MOTORS CORP. 

1. Remove the overrun clutch hub retaining snap ring (638).  

2. Remove the overrun clutch hub (639).  

3. Remove the forward sprag clutch inner race and input sun gear assembly (640). 

 

2004 Hummer H2 

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

  

Fig. 325: Sprag Assembly Retainer Rings 
Courtesy of GENERAL MOTORS CORP. 

4. Remove the sprag assembly retainer rings (643).  

5. Remove the forward sprag assembly from the forward clutch outer race (644).  

FORWARD CLUTCH SPRAG ASSEMBLE 

 

2004 Hummer H2 

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

  

Fig. 326: Inspecting Forward Sprag Assembly 
Courtesy of GENERAL MOTORS CORP. 

1. Inspect the forward sprag assembly (642) for the following conditions: 

z

Wear or damage  

z

Weak or broken springs  

2. Inspect the forward clutch outer race (644) for the following conditions: 

z

Race wear or damage  

z

Spline wear  

 

2004 Hummer H2 

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