Hummer H2. Manual - part 2279

Fig. 151: Inspecting 1-2 Accumulator Cover 
Courtesy of GENERAL MOTORS CORP. 

10. Inspect the 1-2 accumulator cover for the following defects: 

z

Porosity  

z

Cracks  

z

Scoring  

z

Nicks and scratches  

 

2004 Hummer H2 

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

  

Fig. 152: Identifying Spacer Plate Support Bolts 
Courtesy of GENERAL MOTORS CORP. 

11. Remove the spacer plate support retaining bolts. 

IMPORTANT: Use care not to drop the following items that will be removed along with 

the spacer plate: 

z

The number 1 checkball  

z

The 3-4 accumulator spring  

z

The 3-4 accumulator pin  

 

2004 Hummer H2 

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

  

12. Remove the spacer plate support. 

Fig. 153: Identifying Spacer Plate, Valve Body Gasket & Transmission Case Gasket 
Courtesy of GENERAL MOTORS CORP. 

13. Remove the spacer plate to valve body gasket, the spacer plate and the spacer plate to transmission case 

gasket. 

 

2004 Hummer H2 

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

  

Fig. 154: Identifying 3-4 Accumulator Piston 
Courtesy of GENERAL MOTORS CORP. 

14. Remove the 3-4 accumulator piston (2).  

15. Inspect the 3-4 accumulator spring for cracks. 

 

2004 Hummer H2 

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