Hummer H2. Manual - part 2280

Fig. 155: Identifying Accumulator Piston Seal 
Courtesy of GENERAL MOTORS CORP. 

16. Remove the 3-4 accumulator piston seal (1) from the 3-4 accumulator piston.  

17. Inspect the 3-4 accumulator piston for the following defects: 

z

Porosity  

z

Cracks  

z

Scoring  

z

Nicks and scratches  

Installation Procedure 

 

2004 Hummer H2 

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

  

Fig. 156: Identifying Accumulator Piston Seal 
Courtesy of GENERAL MOTORS CORP. 

1. Install a new 3-4 accumulator piston seal (1) to the 3-4 accumulator piston. 

 

2004 Hummer H2 

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

  

Fig. 157: Installing 3-4 Accumulator Pin Into Transmission Case 
Courtesy of GENERAL MOTORS CORP. 

2. Install the 3-4 accumulator pin (1) into the transmission case and retain the pin with J 36850 . 

 

2004 Hummer H2 

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

  

Fig. 158: Identifying 3-4 Accumulator Piston 
Courtesy of GENERAL MOTORS CORP. 

3. Install the 3-4 accumulator piston (2) onto the pin (1) in the transmission case. 

Ensure that the 3-4 accumulator piston legs face away from the transmission case. 

 

2004 Hummer H2 

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