Hummer H2. Manual - part 2327

Fig. 336: 3-4 Clutch Boost Spring Assemblies & Input Housing 
Courtesy of GENERAL MOTORS CORP. 

4. Install the 3-4 clutch boost spring assemblies (600) into the input housing. 

 

2004 Hummer H2 

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

  

Fig. 337: Installing 3rd & 4th Clutch Selective Backing Plate 
Courtesy of GENERAL MOTORS CORP. 

5. Install the 3rd and 4th clutch selective backing plate (655). Some models may have a chamfer on one side 

of the selective backing plate. Install the chamfer side up.  

6. Install the 3rd and 4th clutch backing plate retainer ring (656). 

 

2004 Hummer H2 

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

  

3-4 CLUTCH PLATE TRAVEL CHECK

Fig. 338: Selective Backing Plate & First Fiber Plate Assembly 
Courtesy of GENERAL MOTORS CORP. 

1. Use feeler gauges to check the 3rd and 4th clutch plate travel.  

2. Check the travel between the selective backing plate (655) and the first fiber plate assembly (654A). 

The 3rd and 4th clutch plate travel should be 0.90-2.10 mm (0.035-0.083 in). 

3. Select the proper 3rd and 4th clutch selective backing plate to obtain the correct travel. Refer to Third 

and Fourth Clutch Backing Plate Selection . 

 

2004 Hummer H2 

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

  

CLUTCH AIR CHECK 

Inspection Procedure 

Fig. 339: Applying Air Into Feed Holes In Turbine Shaft 
Courtesy of GENERAL MOTORS CORP. 

Apply air into the feed holes in the turbine shaft in order to check the following items: 

z

The 3rd and 4th clutch (1)  

z

The forward clutch (2)  

z

The overrun clutch (3)  

IMPORTANT: When the overrun clutch is checked, the air will blow by the forward clutch 

piston lip seals and exit out of the forward clutch feed hole in the turbine shaft.

 

2004 Hummer H2 

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