Direct Clutch Assembly
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 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.
Direct Clutch
For direct (3, 5, R) clutch operation, REFER to: Direct Clutch Assembly .
Direct Clutch
| Condition | Possible Sources | Action |
|---|---|---|
| Direct (3, 5, R) clutch does not apply | SSB is mechanically stuck ON | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . CARRY OUT the Transmission Strategy Download. REFER to: Transmission Strategy Download . |
| Pump feed seals damaged/leaking | REMOVE the main control valve body and INSPECT the pump feed seals for damage or leaks. INSTALL new seals. REFER to: Main Control Valve Body . | |
| Direct (3, 5, R) clutch regulator valve is stuck OFF | DISASSEMBLE, CLEAN and INSPECT the direct clutch regulator valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| Direct (3, 5, R) clutch latch valve is stuck OFF | DISASSEMBLE, CLEAN and INSPECT the direct clutch latch valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| SF, PC2, PC2Z, R/D432, C35R hydraulic circuits blocked/leaking | DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris/blockage. CLEAN as necessary. REFER to: Main Control Valve Body . | |
| Ball valve 1 check ball missing/damaged | REMOVE the main control valve body, and INSPECT the check ball missing/damage. REFER to: Main Control Valve Body . | |
| Center support, direct clutch drum | DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Direct clutch drum Teflon™ seals, direct clutch piston seals | DISASSEMBLE and INSPECT the seals for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Direct clutch friction plates | DISASSEMBLE and INSPECT the friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Direct (3, 5, R) clutch always applied | SSB is mechanically stuck OFF | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . CARRY OUT the Transmission Strategy Download. REFER to: Transmission Strategy Download . |
| Direct (3, 5, R) clutch regulator valve is stuck ON | DISASSEMBLE, CLEAN and INSPECT the direct clutch regulator valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| Direct (3, 5, R) clutch latch valve is stuck ON | DISASSEMBLE, CLEAN and INSPECT the direct clutch latch valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| Main control valve body cross leaking into PC2, PC2Z and/or C35R hydraulic circuits | DISASSEMBLE and INSPECT the main control valve body and separator plate passages for cracks, warping, and damage. If damage is found, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| Center support, direct clutch drum | DISASSEMBLE and INSPECT components for wear and damage. CLEAN and/or 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 friction plates | DISASSEMBLE and INSPECT the direct clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Direct (3, 5, R) clutch delayed/soft/slipping apply | Incorrect transmission strategy programmed into PCM. | CARRY OUT the transmission strategy download. REFER to: Transmission Strategy Download . |
| Low line pressure | CARRY OUT the line pressure test. REFER to: Special Testing Procedures . | |
| SSB is mechanically sticking | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . CARRY OUT the Transmission Strategy Download. REFER to: Transmission Strategy Download . | |
| Pump feed seals damaged/leaking | REMOVE the main control valve body and INSPECT the pump feed seals for damage or leaks. INSTALL new seals. REFER to: Main Control Valve Body . | |
| Direct (3, 5, R) clutch regulator valve is sticking | DISASSEMBLE, CLEAN and INSPECT the direct clutch regulator valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| Direct (3, 5, R) clutch latch valve is sticking | DISASSEMBLE, CLEAN and INSPECT the direct clutch latch valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| SF, PC2, PC2Z, R/D432, C35R hydraulic circuits blocked/leaking | DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris/blockage. CLEAN as necessary. REFER to: Main Control Valve Body . | |
| BV 1 check ball missing/damaged | REMOVE the main control valve body, and INSPECT the check ball missing/damage. REFER to: Main Control Valve Body . | |
| Center support, direct clutch drum | DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Direct clutch drum Teflon™ seals, direct clutch piston seals | DISASSEMBLE and INSPECT the seals for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Direct clutch friction plates | DISASSEMBLE and INSPECT the friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Direct (3, 5, R) clutch harsh apply | Incorrect transmission strategy programmed into PCM. | CARRY OUT the Transmission Strategy Download. REFER to: Transmission Strategy Download . |
| High line pressure | CARRY OUT the line pressure test. REFER to: Special Testing Procedures . | |
| SSB is mechanically sticking | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . CARRY OUT the Transmission Strategy Download. REFER to: Transmission Strategy Download . | |
| Direct (3, 5, R) clutch regulator valve sticking | DISASSEMBLE, CLEAN and INSPECT the direct clutch regulator valve. If the bore, valve or spring is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| Direct (3, 5, R) clutch latch valve sticking | DISASSEMBLE, CLEAN and INSPECT the direct clutch latch valve. If the bore, valve or spring is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| Main control valve body cross leaking into PC2, PC2Z and/or C35R hydraulic circuits | DISASSEMBLE and INSPECT the main control valve body and separator plate passages for cracks, warping, and damage. If damage is found, INSTALL a new main control valve body. REFER to: Main Control Valve Body . | |
| Ball valve 1 check ball missing/damaged | REMOVE the main control valve body, and INSPECT the check ball missing/damage. REFER to: Main Control Valve Body . | |
| Center support, direct clutch drum | DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Direct clutch piston return spring | DISASSEMBLE and INSPECT the piston return spring for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Direct clutch friction plates | DISASSEMBLE and INSPECT the friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |