Hummer H2. Manual - part 2324

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Surface finish damage  

3. Install the forward sprag assembly (642) into the forward clutch outer race (644). 

Fig. 327: Sprag Assembly Retainer Rings 
Courtesy of GENERAL MOTORS CORP. 

4. Inspect the sprag assembly retainer rings (643) for wear or damage. 

 

2004 Hummer H2 

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

  

5. Install the sprag assembly retainer rings (643) into the forward clutch sprag assembly (644). 

Fig. 328: Inspecting Forward Sprag Clutch Inner Race & Input Sun Gear Assembly 
Courtesy of GENERAL MOTORS CORP. 

6. Inspect the forward sprag clutch inner race and input sun gear assembly (640) for the following 

conditions: 

 

2004 Hummer H2 

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

  

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Damaged spline or gear teeth  

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Ring groove damage  

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Surface finish damage  

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Loose retainer  

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Wear  

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Cracks  

7. Install the forward sprag clutch inner race and input sun gear assembly (640) into the forward sprag and 

outer race assembly. 

 

2004 Hummer H2 

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

  

Fig. 329: Overrun Clutch Hub 
Courtesy of GENERAL MOTORS CORP. 

8. Inspect the overrun clutch hub (639) for the following conditions: 

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Spline damage  

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Plugged lubrication holes  

 

2004 Hummer H2 

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