Hummer H2. Manual - part 2260

Fig. 78: Ensuring That No Gap Is Present Between Cap & Fitting 
Courtesy of GENERAL MOTORS CORP. 

12. Ensure that no gap is present between the cap and the fitting. 

 

2004 Hummer H2 

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

  

Fig. 79: Inserting Plastic Cap Onto Fitting 
Courtesy of GENERAL MOTORS CORP. 

13. Ensure that the yellow identification band on the tube is hidden within the quick connect fitting. 

 

2004 Hummer H2 

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

  

Fig. 80: Improper Joint Seating 
Courtesy of GENERAL MOTORS CORP. 

14. A hidden yellow identification band indicates proper joint seating.  

15. Fill the transmission to the proper level with DEXRON(R) III transmission fluid. Refer to Transmission 

Fluid Checking Procedure .  

TRANSMISSION FLUID AUXILIARY COOLER REPLACEMENT 

Removal Procedure 

 

2004 Hummer H2 

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

  

Fig. 81: Auxiliary Oil Cooler 
Courtesy of GENERAL MOTORS CORP. 

1. Remove the transmission fluid cooler hoses from the transmission fluid auxiliary cooler. Refer to 

Transmission Fluid Cooler Line Quick Connect Fitting .  

2. Remove the bolts from the auxiliary oil cooler.  

3. Remove the auxiliary oil cooler from the vehicle.  

Installation Procedure 

 

2004 Hummer H2 

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