Hummer H2. Manual - part 2341

Courtesy of GENERAL MOTORS CORP.

1. Install the J 25025-1 . See Special Tools and Equipment . 

Fig. 392: Removing J 39855-2 
Courtesy of GENERAL MOTORS CORP. 

2. Remove the J 39855-2 which is part of kitJ 39855 . See Special Tools and Equipment . 

 

2004 Hummer H2 

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

  

Fig. 393: Installing Pump To Drum Thrust Washer 
Courtesy of GENERAL MOTORS CORP. 

3. Install the pump to drum thrust washer (601).  

4. Use J 36850 or equivalent to retain the washer to the pump.  

5. Install the oil pump to case seal (5) on the oil pump assembly (4). 

 

2004 Hummer H2 

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

  

Fig. 394: Installing Cover To Case Gasket & Oil Pump Assembly 
Courtesy of GENERAL MOTORS CORP. 

6. Install the pump cover to case gasket (6).  

7. Install the oil pump assembly (4) into the case and align all holes properly. 

 

2004 Hummer H2 

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

  

Fig. 395: Installing Pump To Case Bolts & New O-Ring Seals 
Courtesy of GENERAL MOTORS CORP. 

8. Install the pump to case bolts (2) with new O-ring seals (3). 

Tighten: Tighten the bolts to 29 N.m (21 lb ft). 

9. Remove the J 25025-1 . See Special Tools and Equipment . 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

IMPORTANT: The pump to case bolt O-ring seals (3) must be replaced.

 

2004 Hummer H2 

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