Hummer H3. Manual — part 769

3. Remove the 1-2 accumulator assembly. Do not remove the spacer plate. Refer to

Accumulator Assembly, Spacer Plate and Gaskets.

Fig. 138: Identifying Valve Body Electrical Connections
Courtesy of GENERAL MOTORS CORP.

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

Transmission fluid pressure switch (1)

1-2 shift control solenoid (2)

IMPORTANT: Removal of the valve body is not necessary for the following

procedure.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

2-3 shift control solenoid (3)

Pressure control solenoid (4)

TCC PWM solenoid (5)

3-2 control solenoid (6)

Fig. 139: View Of TCC PWM Solenoid & Retainer
Courtesy of GENERAL MOTORS CORP.

5. Remove the TCC PWM solenoid retainer with a small screwdriver. Rotate the solenoid in

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

6. Remove the TCC PWM solenoid in order to access one of the TCC solenoid retaining bolts.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

Fig. 140: Locating Pressure Control Solenoid & Retainer
Courtesy of GENERAL MOTORS CORP.

7. Remove the pressure control solenoid retainer.

8. Remove the pressure control solenoid.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3

Fig. 141: View Of TCC Solenoid Retaining Bolts
Courtesy of GENERAL MOTORS CORP.

9. Remove the TCC solenoid retaining bolts.

2007 Hummer H3

2007 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - H3