Hummer H3. Manual — part 758

The TCC valve

The TCC valve spring(s)

Installation Procedure

Fig. 99: TCC Valve Assembly

2007 Hummer H3

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

Courtesy of GENERAL MOTORS CORP.

1. Install the following parts:

The TCC valve spring

The TCC valve

The valve bore plug

Fig. 100: View Of Valve Bore Plug Retainer Ring & Reverse Boost Valve Bushing

IMPORTANT:

Clean and inspect the TCC solenoid O-ring for cuts,
nicks and damage. Replace if necessary.

Inspect the TCC bore for sediment and debris. Flush the
bore if necessary.

Clean and inspect the TCC valve for binding, scoring and
damage.

Inspect the TCC spring for cracks and deformed or
broken coils.

2007 Hummer H3

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

Retainer Ring
Courtesy of GENERAL MOTORS CORP.

2. Install the TCC valve retainer ring (1).

3. Install the TCC control solenoid.

4. Install the TCC control solenoid retaining bolts.

Tighten: Tighten the bolts to 8-14 N.m (71-124 lb in).

2007 Hummer H3

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

Fig. 101: View Of TCC Solenoid & Wiring Harness
Courtesy of GENERAL MOTORS CORP.

5. Connect the TCC control solenoid connector.

6. Install the TCC PWM solenoid.

7. Install the TCC PWM solenoid retainer.

Fig. 102: View Of TCC PWM Solenoid & Retainer
Courtesy of GENERAL MOTORS CORP.

8. Connect the TCC PWM Solenoid electrical connector.

2007 Hummer H3

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