Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Yukon and 2009 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: TCC Valve Assembly

Courtesy of GENERAL MOTORS CORP.

NOTE:

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.

Install the following parts:
- The TCC valve spring
- The TCC valve
- The valve bore plug

Fig 2: View Of Valve Bore Plug Retainer Ring & Reverse Boost Valve Bushing Retainer Ring

Courtesy of GENERAL MOTORS CORP.

Install the TCC valve retainer ring (1).
Install the TCC control solenoid.

CAUTION: Refer to Fastener Caution .

Install the TCC control solenoid retaining bolts and tighten to 8-14 N.m (71-124 lb in).

Fig 3: View Of TCC Solenoid & Wiring Harness

Courtesy of GENERAL MOTORS CORP.

Connect the TCC control solenoid connector.
Install the TCC PWM solenoid.
Install the TCC PWM solenoid retainer.

Fig 4: View Of TCC PWM Solenoid & Retainer

Courtesy of GENERAL MOTORS CORP.

Connect the TCC PWM Solenoid electrical connector.
Install the transmission filter. Refer to Automatic Transmission Fluid and Filter Replacement .