Ford Explorer Quiz
Powertrain

Diagnosis and Testing - F-Clutch

In this manual: Powertrain
General Information — 41Chassis — 173Powertrain — 250Electrical — 303Body and Paint — 331
~8min read

Symptom Chart

Clutch F

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


Clutch F


Condition Possible Sources Action
F-clutch is not applied SSF mechanically stuck in the released position 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 in the OFF position DISASSEMBLE, CLEAN and INSPECT the F-clutch control valve. If the orifice 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 lock valve sticking in the OFF position DISASSEMBLE, CLEAN and INSPECT the F-clutch lock valve. If the orifice 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, restrictions and leaks. CLEAN as necessary.
REFER TO: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Removal and Installation).
PERFORM an air pressure test on the F-clutch.
REFER TO: Special Test 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 drum, clutch and planetary carrier, ring gear No. 4 DISASSEMBLE and INSPECT the CDF clutch drum, clutch and planetary carrier 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).
Clutch F 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 is always applied SSF mechanically stuck in the applied position 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 in the applied position DISASSEMBLE, CLEAN and INSPECT the F-clutch control valve. If the orifice 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 lock valve sticking in the applied position DISASSEMBLE, CLEAN and INSPECT the F-clutch lock valve. If the orifice 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 leaks DISASSEMBLE and INSPECT the main control valve body and separator plate passages for cracks, distortion 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 carrier, ring gear No. 4 DISASSEMBLE and INSPECT the CDF clutch drum, clutch and planetary carrier 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).
Clutch F 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).
Clutch F 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 engagement Incorrect shift strategy programmed in the PCM/TCM. PERFORM the shift strategy download and 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 PERFORM the line pressure test. If line pressure is low, REFER TO the line pressure diagnostics chart.
REFER TO: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
SSF mechanically sticking
  • If vehicle mileage is less than 5000 miles (8000 km), PERFORM the PCM - Primary Transmission Control with Acceleration procedure 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 vehicle mileage is less than 5000 miles (8000 km), PERFORM the PCM - Primary Transmission Control with Acceleration procedure 3 times using the diagnostic scan tool.
  • For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the F-clutch control valve. If the orifice 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 lock valve sticking
  • If vehicle mileage is less than 5000 miles (8000 km), PERFORM the PCM - Primary Transmission Control with Acceleration procedure 3 times using the diagnostic scan tool.
  • For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the F clutch check ball. If the bore or the ball 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, restrictions 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).
Clutch F 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 stuck applied Incorrect shift strategy programmed in the PCM/TCM. PERFORM the shift strategy download and 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 PERFORM the line pressure test. If line pressure is high, REFER TO the line pressure diagnostics chart.
REFER TO: Special Testing Procedures (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Diagnosis and Testing).
SSF mechanically sticking
  • If vehicle mileage is less than 5000 miles (8000 km), PERFORM the PCM - Primary Transmission Control with Acceleration procedure 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 vehicle mileage is less than 5000 miles (8000 km), PERFORM the PCM - Primary Transmission Control with Acceleration procedure 3 times using the diagnostic scan tool.
  • For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the F-clutch control valve. If the orifice 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 lock valve sticking
  • If vehicle mileage is less than 5000 miles (8000 km), PERFORM the PCM - Primary Transmission Control with Acceleration procedure 3 times using the diagnostic scan tool.
  • For all other vehicles, DISASSEMBLE, CLEAN and INSPECT the F clutch check ball. If the bore or the ball 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, restrictions and leaks. CLEAN as necessary.
REFER TO: Main Control Valve Body (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Removal and Installation).
Clutch F 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).
Clutch F 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).

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