Torque Converter Diagnosis: Notes
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The torque converter clutch (TCC) is applied by fluid pressure, which is controlled through the converter flow valve by the TCC variable bleed solenoid. The converter flow valve and the TCC variable bleed solenoid are located inside the automatic transmission assembly.