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Home >> Lincoln >> 2019 >> Nautilus Base, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission - 8-Speed Automatic Transmission - 8F57 (2 Of 2)) >> Diagnosis And Testing >> F Clutch >> Symptom Chart

Symptom Chart

WARNING: This page is about a different variant/trim than selected.

F clutch 

For F clutch operation, REFER to: F Clutch .

F clutch 

Condition Possible Sources Action
F clutch does not apply SSF is mechanically stuck off INSTALL a new solenoid. REFER to: Solenoid  .
F clutch regulator valve stuck off DISASSEMBLE, CLEAN and INSPECT the regulator valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body  .
F CL CONTR, 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  .
F clutch hub INSPECT components wear and damage. CLEAN and/or INSTALL new components necessary. REFER to: Transmission  .
F clutch friction plates INSPECT components wear and damage. CLEAN and/or INSTALL new components necessary. REFER to: Transmission  .
F clutch piston seals INSPECT components wear and damage. CLEAN and/or INSTALL new components necessary. REFER to: Transmission  .
F clutch always applied SSF mechanically stuck INSTALL a new solenoid. REFER to: Solenoid  .
F clutch regulator valve or CL F latch valve stuck on DISASSEMBLE, CLEAN and INSPECT the regulator valve. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body  .
F CL CONTR, hydraulic circuit cross leaks DISASSEMBLE and INSPECT the main control valve body and separator plate passages for debris/blockage. CLEAN as necessary. REFER to: Main Control Valve Body  .
F clutch hub, clutch and planetary carrier, No. 4 ring gear INSPECT components wear and damage. CLEAN and/or INSTALL new components necessary. REFER to: Transmission  .
F clutch friction plates INSPECT components wear and damage. CLEAN and/or INSTALL new components necessary. REFER to: Transmission  .
F clutch piston seals INSPECT components wear and damage. CLEAN and/or INSTALL new components necessary. REFER to: Transmission  .
F clutch delayed/soft/slipping apply Incorrect transmission strategy programmed into PCM/ TCM. PERFORM the Transmission Strategy Download, REFER to: Transmission Strategy Download  .
Low line pressure PERFORM the line pressure test. REFER to: Special Testing Procedures  .
SSF mechanically sticking INSTALL a new solenoid. REFER to: Solenoid  .
F clutch regulator valve sticking DISASSEMBLE, CLEAN and INSPECT the valves. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body  .
F CL CONTR, hydraulic circuits 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  .
F clutch friction plates INSPECT components wear and damage. CLEAN and/or INSTALL new components necessary. REFER to: Transmission  .
F clutch piston seals INSPECT components wear and damage. CLEAN and/or INSTALL new components necessary. REFER to: Transmission  .
F clutch harsh apply Incorrect transmission strategy programmed into PCM/ TCM. PERFORM the Transmission Strategy Download, REFER to: Transmission Strategy Download  .
High line pressure PERFORM line pressure test. REFER to: Special Testing Procedures  .
SSF mechanically sticking INSTALL a new solenoid. REFER to: Solenoid  .
F clutch regulator valve sticking DISASSEMBLE, CLEAN and INSPECT the valves. If the bore or valve is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body  .
F CL CONTR 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  .
F clutch friction plates INSPECT components wear and damage. CLEAN and/or INSTALL new components necessary. REFER to: Transmission  .
F clutch piston return springs INSPECT components wear and damage. CLEAN and/or INSTALL new components necessary. REFER to: Transmission  .