Hummer H2. Manual - part 2347

Cleaning Procedure 

1. Clean all the valves, springs, bushings, and the control valve body in clean solvent.  

2. Dry all the parts using compressed air.  

Installation Procedure 

Fig. 415: Bore Plug Retainer, Bore Plug, Regulator Apply Valve, Regulator Apply Spring & 
Isolator Valve 
Courtesy of GENERAL MOTORS CORP. 

CAUTION: Refer to Valve Springs Can Be Tightly Compressed Caution in 

Cautions and Notices.

 

2004 Hummer H2 

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

  

1. Install the following items: 

1. The isolator valve (398)  

2. The regulator apply spring (397)  

3. The regulator apply valve (380)  

4. The bore plug (381)  

5. The bore plug retainer (395)  

Fig. 416: Bore Plug Retainer, Bore Plug, 3-4 Relay Valve, 4-3 Sequence Valve & 4-3 Sequence 
Valve Spring 
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Lubricate all parts with DEXRON(R)lll automatic transmission fluid before 

installation.

 

2004 Hummer H2 

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

  

2. Install the following items: 

1. The 4-3 sequence valve spring (382)  

2. The 4-3 sequence valve (383)  

3. The 3-4 relay valve (384)  

4. The bore plug (381)  

5. The bore plug retainer (395)  

Fig. 417: Bore Plug Retainer, Bore Plug, 3-4 Shift Valve Spring & 3-4 Shift Valve 
Courtesy of GENERAL MOTORS CORP. 

3. Install the following items: 

1. The 3-4 shift valve (385)  

2. The 3-4 shift valve spring (386)  

3. The bore plug (381)  

4. The bore plug retainer (395)  

 

2004 Hummer H2 

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

  

Fig. 418: Identifying (395, 381, 390, 360, 359, 388, & 387) 
Courtesy of GENERAL MOTORS CORP. 

4. Install the following items: 

1. The reverse abuse valve (387)  

2. The reverse abuse valve spring (388)  

3. The bore plug (359)  

4. The coiled spring pin (360)  

5. The 3-2 downshift valve (389)  

6. The 3-2 downshift valve spring (390)  

7. The bore plug (381)  

8. The bore plug retainer (395)  

 

2004 Hummer H2 

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