Torque Converter Tech Tips Archives - Transmission Digest
Salvaging the Cover on Overheated Honda Converters

The normal hydraulic forces within the torque converter push the TCC piston toward the cover; the TCC piston reacts like a “normally on” pressure switch. It is normally pushed to the apply position and is released only when the flow of TCC-release/charge oil between the piston and cover floats the piston off the cover.