TCC System

WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

For TCC operation, REFER to HYDRAULIC SYSTEM .

TORQUE CONVERTER CLUTCH DESCRIPTION

Condition	Possible Sources	Action
TCC does not apply	Solenoid body filter blocked to the TCC solenoid	INSTALL a new solenoid body filter. REFER to SOLENOID BODY ASSEMBLY .
	TCC solenoid mechanically stuck OFF	INSTALL a new solenoid body. REFER to SOLENOID BODY ASSEMBLY .
	TCC regulator apply valve stuck OFF	DISASSEMBLE, CLEAN and INSPECT the TCC regulator apply valve. If bore or valve is damaged, INSTALL a new main control. REFER to MAIN CONTROL - OVERHAUL .
	TCC control valve stuck OFF	DISASSEMBLE and INSPECT the TCC control valve for debris/blockage. CLEAN as necessary. REFER to MAIN CONTROL - OVERHAUL .
	TCC APPLY hydraulic circuit blocked or leaking	DISASSEMBLE and INSPECT the transmission, main control passages for debris/blockage. REFER to MAIN CONTROL - OVERHAUL and CLEAN as necessary. REFER to HYDRAULIC SYSTEM .
	TCC friction material worn or damaged	INSTALL a new torque converter. REFER to TRANSAXLE .
TCC always applied/stalls vehicle	TCC solenoid mechanically stuck ON	INSTALL a new solenoid body. REFER to SOLENOID BODY ASSEMBLY .
	TCC regulator apply valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the TCC regulator apply valve. If bore or valve is damaged, INSTALL a new main control. REFER to MAIN CONTROL - OVERHAUL .
	TCC control valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the TCC control valve. If bore or valve is damaged, INSTALL a new main control. REFER to MAIN CONTROL - OVERHAUL .
	TCC RELEASE hydraulic circuit blocked or leaking	DISASSEMBLE and INSPECT the main control and INSPECT passages for debris/blockage. REFER to MAIN CONTROL - OVERHAUL and CLEAN as necessary. REFER to HYDRAULIC SYSTEM .
	TCC welded or damaged	INSTALL a new torque converter. REFER to TRANSAXLE .
TCC cycles, shudders or chatters	Incorrect Solenoid Body Strategy programmed into TCM	REFER to SOLENOID BODY STRATEGY DOWNLOAD .
	Solenoid filter or seal damaged at TCC solenoid	INSTALL a new solenoid body or filter. REFER to SOLENOID BODY ASSEMBLY .
	TCC solenoid mechanically sticking	INSTALL a new solenoid body. REFER to SOLENOID BODY ASSEMBLY .
	TCC regulator apply valve, springs, clips - loose, stuck, binding, missing, misassembled	DISASSEMBLE, CLEAN and INSPECT the TCC regulator apply valve. If bore or valve is damaged, INSTALL a new main control. REFER to MAIN CONTROL - OVERHAUL .
	TCC control valve, springs, clips - loose, stuck, binding, missing, misassembled	DISASSEMBLE and INSPECT the main control for debris/blockage. CLEAN as necessary. REFER to MAIN CONTROL - OVERHAUL .
	TCC RELEASE/TCC APPLY hydraulic circuits blocked or leaking	DISASSEMBLE and INSPECT the transmission, main control for debris/blockage. REFER to MAIN CONTROL - OVERHAUL and CLEAN as necessary. REFER to HYDRAULIC SYSTEM .