Hummer H2. Manual - part 2529

Courtesy of GENERAL MOTORS CORP.

1. Install the 2-4 servo into the case. 

Fig. 90: Identifying J 29714-A 
Courtesy of GENERAL MOTORS CORP. 

2. Install oil pan with only four bolts to align pan to case.  

3. Use the J 29714-A in order to compress the servo cover.  

4. Install the servo cover retaining ring. 

 

2004 Hummer H2 

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

  

Fig. 91: Locating Small Hole In Accumulator 
Courtesy of GENERAL MOTORS CORP. 

5. Remove oil pan.  

6. Pour solvent into the accumulator bore until the channel is filled. Watch for leaks in the case channel. 

7. If leakage from the oval shaped hole is observed, replace the third accumulator retainer and ball 

assembly.  

IMPORTANT: It is normal to see leakage from the small hole next to the larger oval hole, 

see arrow.

 

2004 Hummer H2 

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

  

THIRD ACCUMULATOR RETAINER AND BALL REPLACEMENT

Fig. 92: Extracting Third Accumulator Retainer And Ball Assembly 
Courtesy of GENERAL MOTORS CORP. 

1. Remove the third accumulator retainer and ball assembly, using a 6.3 mm (0.25 in) #4 screw extractor. 

 

2004 Hummer H2 

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

  

Fig. 93: Scribing Mark On Rod For Gaging Proper Depth Of Third Accumulator Retainer And 
Ball Assembly 
Courtesy of GENERAL MOTORS CORP. 

2. Scribe a mark at 42 mm (1.653 in) on a 9.5 mm (0.375 in) diameter metal rod. The scribe mark is used to 

gage the proper depth of the third accumulator retainer and ball assembly. 

 

2004 Hummer H2 

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