Chevrolet Silverado / GMC Sierra. Service manual — part 1050

Fig. 95: View Of TCC Solenoid & Wiring Harness
Courtesy of GENERAL MOTORS CORP.

5. Disconnect the TCC control solenoid connector.

6. Remove the TCC control solenoid retaining bolts.

7. Remove the TCC control solenoid.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Fig. 96: View Of Valve Bore Plug Retainer Ring & Reverse Boost Valve Bushing
Retainer Ring
Courtesy of GENERAL MOTORS CORP.

8. Remove the TCC valve retainer ring (1).

CAUTION: Valve springs can be tightly compressed. Use care when

removing retainers and plugs. Personal injury could
result.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Fig. 97: TCC Valve Assembly
Courtesy of GENERAL MOTORS CORP.

9. Remove the following parts:

The valve bore plug

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

The TCC valve

The TCC valve spring(s)

Installation Procedure

Fig. 98: TCC Valve Assembly

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado