Lincoln Corsair: Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40 / Diagnosis and Testing - Hydraulic Selectable One-Way Clutch Assembly

Lincoln Corsair 2020-2025 Service Manual / Powertrain / Automatic Transmission / Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40 / Diagnosis and Testing - Hydraulic Selectable One-Way Clutch Assembly

Symptom Chart

For selectable one-way clutch operation,
REFER to: Hydraulic Selectable One-Way Clutch Assembly (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Description and Operation).

Hydraulic Selectable One-Way Clutch (OWC)

Condition	Possible Sources	Action
Selectable one-way clutch (OWC) does not apply	SSD is mechanically stuck off	INSTALL a new solenoid. REFER to: Solenoid (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Removal and Installation).
	Hydraulic selectable one way clutch (OWC) control or limit valve valve stuck off	DISASSEMBLE, CLEAN and INSPECT the control valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Removal and Installation). PERFORM the Transmission Strategy Download,REFER to: Transmission Strategy Download (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, General Procedures).
	SOWC APPLY hydraulic circuit 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 (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Removal and Installation).
	Hydraulic selectable one-way clutch (OWC) actuator	INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Overhaul).
Hydraulic Selectable one-way clutch (OWC) always applied	SSD mechanically stuck	INSTALL a new solenoid. REFER to: Solenoid (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Removal and Installation).
	Hydraulic selectable one way clutch (OWC) control or limit valve valve stuck on	DISASSEMBLE, CLEAN and INSPECT the control valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Removal and Installation). PERFORM the Transmission Strategy Download, REFER to: Transmission Strategy Download (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, General Procedures).
	Hydraulic selectable one-way clutch (OWC) actuator	INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Overhaul).

Diagnosis and Testing - C Clutch

Symptom Chart For C clutch operation, REFER to: C Clutch (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Description and Operation)...

Diagnosis and Testing - E Clutch

Symptom Chart E clutch For E clutch operation, REFER to: E Clutch (307-01A Automatic Transmission - 8-Speed Automatic Transmission – 8F35/8F40, Description and Operation)...

Other information:

Lincoln Corsair 2020-2025 Service Manual: Removal and Installation - Rear Door Check Arm

Removal NOTE: Removal steps in this procedure may contain installation details. NOTE: LH shown, RH similar. Open the door. Remove the check arm bolt. Torque: 18 lb.ft (25 Nm) Remove the rear door trim panel...

Lincoln Corsair 2020-2025 Service Manual: Diagnosis and Testing - Power Steering

Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation). Module DTC Description Action ABS C0051:23 Steering Wheel Position Sensor: Signal Stuck Low GO to Pinpoint Test AG ABS C0051:27 Steering Wheel ..

Selecting a Drive Mode. DRIVE MODES

Selecting a Drive Mode

Note: Drive mode changes may not be available when the ignition is off.

Lincoln Corsair. Selecting a Drive Mode. DRIVE MODES