Forward 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 forward clutch operation, REFER to: Forward Clutch Assembly .
For hydraulic circuit identification, REFER to: Transmission Description - System Operation and Component Description .
Forward Clutch
| Condition | Possible Sources | Action |
|---|---|---|
| Forward clutch does not apply | SSA mechanically stuck OFF | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . |
| Clutch A regulator valve stuck OFF | DISASSEMBLE, CLEAN and INSPECT the clutch A 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 A, DRIVE, VFS1 hydraulic circuits blocked/leaking | DISASSEMBLE 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 . | |
| Input shaft, input shaft Teflon™ seals, forward clutch drum | DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Forward clutch friction plates | DISASSEMBLE and INSPECT the forward clutch friction and steel plates. INSTALL new components as necessary. REFER to: Transmission . | |
| Forward clutch piston seals | DISASSEMBLE and INSPECT the forward clutch piston seals for damage and wear. INSTALL new components as necessary. REFER to: Transmission . | |
| Forward clutch always applied | SSA mechanically stuck ON | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . |
| Clutch A regulator valve stuck ON | DISASSEMBLE, CLEAN and INSPECT the clutch A 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 A, DRIVE, VFS1 hydraulic circuits blocked/leaking | DISASSEMBLE 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 . | |
| Forward clutch friction plates | DISASSEMBLE and INSPECT the forward clutch friction and steel plates. INSTALL new components as necessary. REFER to: Transmission . | |
| Forward clutch piston return spring | DISASSEMBLE and INSPECT the forward clutch piston return spring for damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Forward clutch delayed/soft/slipping apply | Incorrect transmission strategy programmed into PCM. | CARRY OUT the Transmission Strategy Download, REFER to: Transmission Strategy Download . |
| SSA mechanically sticking | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . | |
| Clutch A regulator valve or latch valve sticking | DISASSEMBLE, CLEAN and INSPECT the clutch A 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 A, DRIVE, VFS1 hydraulic circuits blocked/leaking | DISASSEMBLE 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 . | |
| Input shaft, input shaft Teflon™ seals, forward clutch drum | DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Forward clutch friction plates | DISASSEMBLE and INSPECT the forward clutch friction and steel plates. INSTALL new components as necessary. REFER to: Transmission . | |
| Forward clutch piston seals | DISASSEMBLE and INSPECT the forward clutch piston seals for damage and wear. INSTALL new components as necessary. REFER to: Transmission . | |
| Forward clutch harsh apply | Incorrect transmission strategy programmed into PCM. | CARRY OUT the Transmission Strategy Download, REFER to: Transmission Strategy Download . |
| SSA mechanically sticking | INSTALL a new solenoid. REFER to: Shift Solenoids (SS) . | |
| Clutch A regulator valve or latch valve sticking | DISASSEMBLE, CLEAN and INSPECT the clutch A 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 A, DRIVE, VFS1 hydraulic circuits blocked/leaking | DISASSEMBLE 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 . | |
| Input shaft, input shaft Teflon™ seals, forward clutch drum | DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| Forward clutch friction plates | DISASSEMBLE and INSPECT the forward clutch friction and steel plates. INSTALL new components as necessary. REFER to: Transmission . | |
| Forward clutch piston return spring | DISASSEMBLE and INSPECT the forward clutch piston return spring for damage. INSTALL new components as necessary. REFER to: Transmission . |