Symptom Chart
For F clutch operation, REFER to: 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 control 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 | |
| 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 the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| F clutch piston seals | INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| F clutch friction plates | INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| F clutch always applied | SSF mechanically stuck | INSTALL a new solenoid. REFER to: Solenoid . |
| F clutch control valve or F clutch latch 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 | |
| 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 the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| F clutch friction plates | INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| F clutch piston seals | INSPECT the components for wear and damage. INSTALL new components as 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 control 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 the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| F clutch piston seals | INSPECT the components for wear and damage. INSTALL new components as 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 control 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 the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . | |
| F clutch piston return springs | INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission . |