Hummer H2. Manual - part 2561

Fig. 214: Removing Pump Body Bushing 
Courtesy of GENERAL MOTORS CORP. 

4. Using the J 41778-1 with an arbor press, remove the pump body bushing (242). 

 

2004 Hummer H2 

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

  

Fig. 215: Pressing In Pump Body Bushing 
Courtesy of GENERAL MOTORS CORP. 

5. Using J 41778-1 with an arbor press, install a new pump body bushing (242). 

 

2004 Hummer H2 

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

  

Fig. 216: Identifying J 41778-2 
Courtesy of GENERAL MOTORS CORP. 

6. Use the J 41778-2 to ensure proper bushing depth.  

OIL PUMP BODY ASSEMBLE 

Tools Required 

z

J 25016 Pump Seal and speedometer gear Installer. See Special Tools and Equipment .  

z

J 36850 Transjel Lubricant. See Special Tools and Equipment . 

 

2004 Hummer H2 

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

  

Fig. 217: Using J 25016 To Install Oil Seal Assembly 
Courtesy of GENERAL MOTORS CORP. 

1. Using the J 25016 , install the oil seal assembly (243). 

 

2004 Hummer H2 

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