Direct Clutch Assembly
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 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 OFF | INSTALL a new solenoid. Refer to: Shift Solenoids (SS) . PERFORM the Transmission Strategy Download, REFER to: Transmission Strategy Download . |
| Clutch B regulator valve stuck OFF | DISASSEMBLE, CLEAN and INSPECT the clutch B regulator valve. Refer to: Main Control Valve Body . If bore or valve is damaged, INSTALL a new main control valve body. | |
| - | CLB, DRIVE, REV/DRIVE, VFS2 hydraulic circuits blocked/leaking | DISASSEMBLE, CLEAN and INSPECT the main control valve body. Refer to: Main Control Valve Body . If bore or valve is damaged, INSTALL a new 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, direct clutch drum Teflon™ seals, direct clutch friction plates, direct clutch piston seals | INSPECT components wear and damage. CLEAN and/or INSTALL new components as necessary. Refer to: Transmission . | |
| Direct (3, 5, R) clutch always applied | SSB is 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. Refer to: Main Control Valve Body . If bore or valve is damaged, INSTALL a new main control valve body. | |
| CLB, DRIVE, REV/DRIVE, VFS2 hydraulic circuits blocked/leaking | REMOVE the main control valve body, and INSPECT the check ball missing/damage. Refer to: Main Control Valve Body . | |
| Center support, direct clutch drum, direct clutch drum Teflon™ seals, direct clutch friction plates, direct clutch piston seals | INSPECT components wear and damage. CLEAN and/or INSTALL new components as necessary. Refer to: Transmission . | |
| Direct (3, 5, R) clutch delayed/soft/slipping apply | Incorrect transmission strategy programmed into PCM. | PERFORM the Transmission Strategy Download, REFER to: Transmission Strategy Download . |
| SSB is mechanically sticking | INSTALL a new solenoid. Refer to: Shift Solenoids (SS) . | |
| Clutch B regulator valve sticking, Clutch B latch valve sticking | DISASSEMBLE, CLEAN and INSPECT the clutch B regulator valve. Refer to: Main Control Valve Body . If bore or valve is damaged, INSTALL a new main control valve body. | |
| CLB, DRIVE, REV/DRIVE, VFS2 hydraulic circuits blocked/leaking | REMOVE 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, direct clutch drum Teflon™ seals, direct clutch friction plates, direct clutch piston seals | INSPECT components wear and damage. CLEAN and/or INSTALL new components as necessary. Refer to: Transmission . | |
| Direct (3, 5, R) clutch harsh apply | Incorrect transmission strategy programmed into PCM. | PERFORM the Transmission Strategy Download, REFER to: Transmission Strategy Download . |
| SSB is mechanically stuck OFF | INSTALL a new solenoid. Refer to: Shift Solenoids (SS) . PERFORM the Transmission Strategy Download, REFER to: Transmission Strategy Download . | |
| Clutch B regulator valve sticking, Clutch B latch valve sticking | DISASSEMBLE, CLEAN and INSPECT the clutch B regulator valve. Refer to: Main Control Valve Body . If bore or valve is damaged, INSTALL a new main control valve body. | |
| CLB, DRIVE, REV/DRIVE, VFS2 hydraulic circuits blocked/leaking | REMOVE 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, direct clutch drum Teflon™ seals, direct clutch friction plates, direct clutch piston seals | INSPECT components wear and damage. CLEAN and/or INSTALL new components as necessary. Refer to: Transmission . | |
| Direct (3, 5, R) clutch piston return spring | INSPECT the return spring for proper installation and damage. INSTALL new components as necessary. Refer to: Transmission . |