Hummer H2. Manual - part 2570

Fig. 248: Identifying Turbine Shaft O-Ring 
Courtesy of GENERAL MOTORS CORP. 

Install the O-ring (618) on the turbine shaft. O-Ring location is location dependent. 

CONTROL VALVE BODY DISASSEMBLE 

 

2004 Hummer H2 

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

  

Fig. 249: View Of Manual Valve 
Courtesy of GENERAL MOTORS CORP. 

1. Remove the manual valve (340). 

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

Cautions and Notices.

 

2004 Hummer H2 

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

  

Fig. 250: Exploded View Of Forward Abuse & Low Overrun Components 
Courtesy of GENERAL MOTORS CORP. 

2. Remove the forward accumulator cover bolts (364) and the forward accumulator cover (363).  

3. Remove the forward accumulator spring (356), forward accumulator piston (354), and the forward 

accumulator pin (355).  

4. Remove the low overrun valve spring (362) and the low overrun valve (361).  

5. Remove the coiled spring pin (360) and the bore plug (359).  

6. Remove the forward abuse valve spring (358) and the forward abuse valve (357). 

 

2004 Hummer H2 

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E

  

Fig. 251: Locating 1-2 Shift Valve & Solenoid Components 
Courtesy of GENERAL MOTORS CORP. 

7. Remove the solenoid retainer (395) and the 1-2 shift solenoid (367A).  

8. Remove the 1-2 shift valve (366) and the 1-2 shift valve spring (365). 

 

2004 Hummer H2 

2004 TRANSMISSION/TRANSAXLE Automatic Transmission - Overhaul - 4L60-E/4L65-E