Hummer H2. Manual - part 2276

Fig. 140: Identifying TCC Solenoid (With O-Ring Seal) & Wiring Harness 
Courtesy of GENERAL MOTORS CORP. 

11. Using J 28458 , release the pass-through electrical connector from the transmission case. See Special 

Tools and Equipment . 

1. Use the small end of the J 28458 over the top of the connector. See Special Tools and 

Equipment .  

2. Twist in order to release the four tabs retaining the connector.  

3. Pull the harness connector down through the transmission case.  

12. Remove the TCC solenoid (with O-ring seal) and wiring harness assembly from the transmission case. 

 

2004 Hummer H2 

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

  

Fig. 141: TCC Wiring Harness 
Courtesy of GENERAL MOTORS CORP. 

13. Inspect the TCC solenoid and wiring harness assembly for the following defects: 

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Damage  

z

Cracked connectors  

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Exposed wires  

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Loose pins  

Installation Procedure 

 

2004 Hummer H2 

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

  

Fig. 142: Identifying TCC Solenoid (With O-Ring Seal) & Wiring Harness 
Courtesy of GENERAL MOTORS CORP. 

1. Install the wiring harness and TCC solenoid assembly with a new O-ring seal to the transmission.  

2. Install the pass-through electrical connector to the transmission case. 

 

2004 Hummer H2 

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

  

Fig. 143: TCC Solenoid Bolts, Valve Body Bolts & Internal Wiring Harness 
Courtesy of GENERAL MOTORS CORP. 

3. Install the valve body bolts which retain the internal wiring harness and install the TCC solenoid retaining 

bolts. 

Tighten:  

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Tighten the control valve body retaining bolts to 11 N.m (97 lb in).  

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Tighten the TCC solenoid retaining bolts to 11 N.m (97 lb in). 

NOTE:

Refer to Fastener Notice in Cautions and Notices.

 

2004 Hummer H2 

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