Hummer H2. Manual - part 2320

Fig. 311: Inspecting Forward Clutch Piston 
Courtesy of GENERAL MOTORS CORP. 

5. Inspect the forward clutch piston for the following conditions: 

z

Porosity or damage  

z

Seal damage  

z

Apply leg damage  

 

2004 Hummer H2 

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

  

Fig. 312: Forward Clutch Piston & Forward Clutch Housing 
Courtesy of GENERAL MOTORS CORP. 

6. Install the forward clutch piston (630) into the forward clutch housing (628). 

 

2004 Hummer H2 

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

  

Fig. 313: 3rd & 4th Spring Assembly & Clutch Apply Ring  
Courtesy of GENERAL MOTORS CORP. 

7. Install the 3rd and 4th spring assembly (626) into the 3rd and 4th clutch apply ring (625). 

IMPORTANT: The forward clutch piston (630) apply legs must be indexed with the 3rd 

and 4th clutch apply ring (625) legs.

 

2004 Hummer H2 

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

  

8. Install the forward clutch housing (628) and forward clutch piston (630) into the 3rd and 4th apply ring 

(625). 

Fig. 314: Installing J 29883 On Input Housing 
Courtesy of GENERAL MOTORS CORP. 

9. Install the J 29883 on the input housing. See Special Tools and Equipment .  

10. Install the 3rd and 4th clutch apply ring and the forward housing and piston assembly using the following 

procedure: 

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Hold the assembly by the 3rd and 4th clutch apply ring (625) legs during installation.  

z

Do not let the forward clutch piston (630) separate from the forward clutch housing. 

 

2004 Hummer H2 

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