Hummer H2. Manual - part 2266

Fig. 101: Valve Body Electrical Components 
Courtesy of GENERAL MOTORS CORP. 

1. Ensure that removal of the valve body is necessary before proceeding. 

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The torque converter clutch solenoid (1)  

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The pressure control solenoid (2)  

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The internal wiring harness (3)  

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The 2-3 shift solenoid (4)  

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The 1-2 shift solenoid (5)  

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The transmission fluid pressure manual valve position switch (6)  

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The 3-2 shift solenoid (7)  

IMPORTANT: The following components can be serviced without removing the 

valve body from the transmission:

 

2004 Hummer H2 

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

  

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The torque converter clutch pulse width modulation (TCC PWM) solenoid (8)  

2. Remove the fluid level indicator.  

3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.  

4. Remove the oil pan, gasket, and filter. Refer to Automatic Transmission Fluid/Filter Replacement . 

Fig. 102: Valve Body Electrical Connections 
Courtesy of GENERAL MOTORS CORP. 

5. Disconnect the internal wiring harness electrical connectors from the following components: 

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The transmission fluid pressure manual valve position switch (1)  

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The 1-2 shift solenoid (2)  

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The 2-3 shift solenoid (3)  

 

2004 Hummer H2 

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

  

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The pressure control solenoid (4)  

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The TCC PWM solenoid (5)  

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The 3-2 shift solenoid (6)  

Fig. 103: Transmission Fluid Indicator Stop Bracket 
Courtesy of GENERAL MOTORS CORP. 

6. Remove the fluid indicator stop bracket bolt (2).  

7. Remove the fluid indicator bracket (1). 

 

2004 Hummer H2 

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

  

Fig. 104: TCC PWM Solenoid 
Courtesy of GENERAL MOTORS CORP. 

8. Remove the TCC PWM solenoid retainer (2) with a small screwdriver. Rotate the solenoid (1) in the 

bore, if necessary, until the flat part of the retainer (2) is visible.  

9. Remove the TCC PWM solenoid (1) in order to access the TCC solenoid retaining bolts. 

 

2004 Hummer H2 

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