Hummer H2. Manual - part 2338

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J 7004-A Universal Remover. See Special Tools and Equipment .  

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J 8092 Universal Driver Handle - 3/4 in - 10  

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J 21465-01 Bushing Service Set. See Special Tools and Equipment .  

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J 34196-B Transmission Bushing Service Set. See Special Tools and Equipment .  

Fig. 380: Pump Cover, Check Valve Retainer, Ball Assemblies, Cup Plugs & Orificed Cup Plugs 
Courtesy of GENERAL MOTORS CORP. 

1. Inspect the pump cover, all check valve retainer and ball assemblies (237), cup plugs (235, 236) and 

orificed cup plugs (238, 240). 

 

2004 Hummer H2 

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

  

Fig. 381: Inspecting Pump Cover 
Courtesy of GENERAL MOTORS CORP. 

2. Inspect the pump cover for the following: 

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Worn or damaged bushings  

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Foreign material or debris  

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Porosity  

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Scored or irregular mating faces  

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Cross channel leaks  

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Ring groove damage  

 

2004 Hummer H2 

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

  

Fig. 382: Removing Stator Shaft Front Bushing 
Courtesy of GENERAL MOTORS CORP. 

3. Using the J 21465-15 with the J 7004-A , remove the stator shaft front bushing (234). See Special Tools 

and Equipment . 

 

2004 Hummer H2 

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

  

Fig. 383: Removing Stator Shaft Rear Bushing 
Courtesy of GENERAL MOTORS CORP. 

4. Using the J 25019-14 with the J 7004-A , remove the stator shaft rear bushing (241). See Special Tools 

and Equipment .  

Installation Procedure 

 

2004 Hummer H2 

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