Direct Clutch Assembly

WARNING: This page is about a different car, the 2019 Ford F-350 Super Duty and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

For direct clutch operation, REFER to: Direct Clutch Assembly .

For hydraulic circuit identification, REFER to: Transmission Description - System Operation and Component Description .

Direct Clutch

Condition	Possible Sources	Action
Direct clutch does not apply	SSB mechanically stuck OFF	INSTALL a new solenoid. REFER to: Shift Solenoids (SS) .
	Clutch B regulator valve stuck OFF	DISASSEMBLE, CLEAN and INSPECT the clutch B regulator valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . REFER to: Main Control Valve Body .
	CL B, REV, REV/DRIVE, VFS2 hydraulic circuits blocked/leaking	DISASSEMBLE, CLEAN and INSPECT the main control valve body and separator plate passages for debris/blockage/damage. CLEAN as necessary. REFER to: Main Control Valve Body . REFER to: Main Control Valve Body .
	Reverse/drive control check ball missing/damaged	REMOVE and DISASSEMBLE the main control valve body. INSPECT all check balls for missing/damage. REFER to: Main Control Valve Body . REFER to: Main Control Valve Body .
	Center support, direct clutch drum, direct clutch drum Teflon™ seals	DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission .
	Direct clutch friction plates	DISASSEMBLE and INSPECT the direct clutch friction and steel plates. INSTALL new components as necessary. REFER to: Transmission .
	Direct clutch piston seals	DISASSEMBLE and INSPECT the direct clutch piston seals for damage and wear. INSTALL new components as necessary. REFER to: Transmission .
Direct clutch always applied	SSB mechanically stuck ON	INSTALL a new solenoid. REFER to: Shift Solenoids (SS) .
	Clutch B regulator valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the clutch B regulator valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . REFER to: Main Control Valve Body .
	CL B, REV, REV/DRIVE, VFS2 hydraulic circuits blocked/leaking	DISASSEMBLE, CLEAN and INSPECT the main control valve body and separator plate passages for debris/blockage/damage. CLEAN as necessary. REFER to: Main Control Valve Body . REFER to: Main Control Valve Body .
	Center support, direct clutch drum, direct clutch drum Teflon™ seals	DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission .
	Direct clutch friction plates	DISASSEMBLE and INSPECT the direct clutch friction and steel plates. INSTALL new components as necessary. REFER to: Transmission .
	Direct clutch piston return spring	DISASSEMBLE and INSPECT the direct clutch piston return spring for damage. INSTALL new components as necessary. REFER to: Transmission .
Direct clutch delayed/soft/slipping apply	Incorrect transmission strategy programmed into PCM.	CARRY OUT the Transmission Strategy Download. REFER to: Transmission Strategy Download .
	SSB mechanically sticking	INSTALL a new solenoid. REFER to: Shift Solenoids (SS) .
	Clutch B regulator valve or latch valve sticking	DISASSEMBLE, CLEAN and INSPECT the clutch B regulator and latch valves. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . REFER to: Main Control Valve Body .
	CL B, REV, REV/DRIVE, VFS2 hydraulic circuits blocked/leaking	DISASSEMBLE, CLEAN and INSPECT the main control valve body and separator plate passages for debris/blockage/damage. CLEAN as necessary. REFER to: Main Control Valve Body . REFER to: Main Control Valve Body .
	Reverse/drive control check ball missing/damaged	REMOVE and DISASSEMBLE the main control valve body. INSPECT all check balls for missing/damage. REFER to: Main Control Valve Body . REFER to: Main Control Valve Body .
	Center support, direct clutch drum, direct clutch drum Teflon™ seals	DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission .
	Direct clutch friction plates	DISASSEMBLE and INSPECT the direct clutch friction and steel plates. INSTALL new components as necessary. REFER to: Transmission .
	Direct clutch piston seals	DISASSEMBLE and INSPECT the direct clutch piston seals for damage and wear. INSTALL new components as necessary. REFER to: Transmission .
Direct clutch harsh apply	Incorrect transmission strategy programmed into PCM.	CARRY OUT the Transmission Strategy Download. REFER to: Transmission Strategy Download .
	SSB mechanically stuck OFF	INSTALL a new solenoid. REFER to: Shift Solenoids (SS) .
	Clutch B regulator valve or latch valve sticking	DISASSEMBLE, CLEAN and INSPECT the clutch B regulator and latch valves. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . REFER to: Main Control Valve Body .
	CL B, REV, REV/DRIVE, VFS2 hydraulic circuits blocked/leaking	DISASSEMBLE, CLEAN and INSPECT the main control valve body and separator plate passages for debris/blockage/damage. CLEAN as necessary. REFER to: Main Control Valve Body . REFER to: Main Control Valve Body .
	Reverse/drive control check ball missing/damaged	REMOVE and DISASSEMBLE the main control valve body. INSPECT all check balls for missing/damage. REFER to: Main Control Valve Body . REFER to: Main Control Valve Body .
	Center support, direct clutch drum, direct clutch drum Teflon™ seals	DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission .
	Direct clutch friction plates	DISASSEMBLE and INSPECT the direct clutch friction and steel plates. INSTALL new components as necessary. REFER to: Transmission .
	Direct clutch piston return spring	DISASSEMBLE and INSPECT the direct clutch piston return spring for damage. INSTALL new components as necessary. REFER to: Transmission .