Ford Explorer: Automatic Transmission - 10-Speed Automatic Transmission – 10R60 / Diagnosis and Testing - F Clutch

Ford Explorer 2020-2024 Service Manual / Powertrain / Automatic Transmission / Automatic Transmission - 10-Speed Automatic Transmission – 10R60 / Diagnosis and Testing - F Clutch

Symptom Chart

F Clutch

For F clutch operation,
REFER to: F Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Description and Operation).

F Clutch

Condition	Possible Sources	Action
F clutch does not apply	SSF is mechanically stuck OFF	INSTALL a new solenoid. REFER to: Shift Solenoids (SS) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch control valve stuck OFF	DISASSEMBLE, CLEAN and INSPECT the F clutch 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 - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch latch valve stuck OFF	DISASSEMBLE, CLEAN and INSPECT the F clutch latch 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 - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch hydraulic circuit blocked/leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris, blockage and leaks. CLEAN as necessary. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch hydraulic circuit blocked/leaking	CARRY OUT the air pressure test on the F clutch. REFER to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing). If a leak is detected, INSPECT the front support assembly, input shaft Teflon seals and F clutch piston seals for leaks. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul).
	CDF clutch cylinder, clutch and planetary container, ring gear no. 4	DISASSEMBLE and INSPECT the CDF clutch cylinder, the clutch and planetary container and ring gear no. 4 for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul).
	F clutch piston seals	DISASSEMBLE and INSPECT the F clutch piston seals for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul).
	F clutch friction plates	DISASSEMBLE and INSPECT the F clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul).
F clutch always applied	SSF mechanically stuck ON	INSTALL a new solenoid. REFER to: Shift Solenoids (SS) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch control valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the F clutch 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 - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch latch valve stuck ON	DISASSEMBLE, CLEAN and INSPECT the F clutch latch 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 - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch hydraulic circuit cross leaks	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 (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch hub, clutch and planetary container, No.4 ring gear	DISASSEMBLE and INSPECT the CDF clutch cylinder, the clutch and planetary container and ring gear no. 4 for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul).
	F clutch piston return spring	DISASSEMBLE and INSPECT the F clutch piston return spring for damage. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul).
	F clutch friction plates	DISASSEMBLE and INSPECT the F clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul).
F clutch delayed/soft/slipping apply	Incorrect transmission strategy programmed into PCM/ TCM.	CARRY OUT the Transmission Strategy Download and the Adaptive Learning Drive Cycle. REFER to: Transmission Strategy Download (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, General Procedures). REFER to: Adaptive Learning Drive Cycle (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, General Procedures).
	Low line pressure	CARRY OUT the line pressure test. If line pressure is low, REFER to the Line Pressure Diagnosis Chart. REFER to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
	SSF mechanically sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, INSTALL a new solenoid. REFER to: Shift Solenoids (SS) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch control valve sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the F clutch 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 - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch latch valve sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the F clutch latch 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 - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch hydraulic circuits blocked/leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris, blockage and leaks. CLEAN as necessary. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch piston seals	DISASSEMBLE and INSPECT the F clutch piston seals for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul).
	F clutch friction plates	DISASSEMBLE and INSPECT the F clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul).
F clutch harsh apply	Incorrect transmission strategy programmed into PCM/ TCM.	CARRY OUT the Transmission Strategy Download and the Adaptive Learning Drive Cycle. REFER to: Transmission Strategy Download (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, General Procedures). REFER to: Adaptive Learning Drive Cycle (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, General Procedures).
	High line pressure	CARRY OUT the line pressure test. If line pressure is high, REFER to the Line Pressure Diagnosis Chart. REFER to: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Diagnosis and Testing).
	SSF mechanically sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, INSTALL a new solenoid. REFER to: Shift Solenoids (SS) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch control valve sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the F clutch 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 - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch latch valve sticking	If the vehicle has less than 5,000 miles (8,000 km), CARRY OUT the PCM - Transmission Accelerated Main Control Break In routine 3 times using the diagnostic scan tool. For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the F clutch latch 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 - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch hydraulic circuit blocked/leaking	DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris, blockage and leaks. CLEAN as necessary. REFER to: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation).
	F clutch piston return spring	DISASSEMBLE and INSPECT the F clutch piston return spring for damage. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul).
	F clutch friction plates	DISASSEMBLE and INSPECT the F clutch friction and steel plates for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul).

Diagnosis and Testing - E Clutch

Symptom Chart E Clutch For E clutch operation, REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Description and Operation)...

Diagnosis and Testing - Low One-Way Clutch Assembly

Low One Way Clutch For low one way clutch operation, REFER to: Low One-Way Clutch Assembly (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Description and Operation)...

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