Hummer H2. Manual - part 2282

Fig. 163: Identifying Accumulator Piston Seal 
Courtesy of GENERAL MOTORS CORP. 

12. Install a new 1-2 accumulator piston seal (1) to the 1-2 accumulator piston. 

 

2004 Hummer H2 

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

  

Fig. 164: Installing 1-2 Accumulator Inner & Outer Springs To 1-2 Accumulator Cover 
Courtesy of GENERAL MOTORS CORP. 

13. Install the 1-2 accumulator inner and outer springs to the 1-2 accumulator cover.  

14. Install the 1-2 accumulator piston onto the pin in the 1-2 accumulator cover. 

Ensure that the piston legs face the accumulator cover.

 

2004 Hummer H2 

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

  

Fig. 165: 1-2 Accumulator Cover 
Courtesy of GENERAL MOTORS CORP. 

15. Install the 1-2 accumulator cover and the accumulator cover retaining bolts. 

Tighten: Tighten the accumulator cover retaining bolts to 11 N.m (97 lb in). 

16. Remove the J 25025-B from the transmission case. See Special Tools and Equipment .  

17. Install the control valve body. Refer to Valve Body and Pressure Switch Replacement .  

18. Install the transmission oil pan and filter. Refer to Automatic Transmission Fluid/Filter Replacement . 

19. Lower the vehicle.  

20. Fill the transmission to the proper level with DEXRON(R) III transmission fluid. Refer to Transmission 

Fluid Checking Procedure .  

 

2004 Hummer H2 

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

  

VEHICLE SPEED SENSOR (VSS) REPLACEMENT

Removal Procedure 

Fig. 166: Electrical Connector & Vehicle Speed Sensor 
Courtesy of GENERAL MOTORS CORP. 

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.  

2. Remove the electrical connector from the speed sensor. 

 

2004 Hummer H2 

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