Powertrain

Diagnosis and Testing - E Clutch

~7min read

Symptom Chart

E Clutch Electronic

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


E Clutch Electronic


Condition Possible Sources Action
E Clutch Not Applied SSE mechanically stuck in the OFF position INSTALL a new solenoid.
REFER TO: Shift Solenoids (SS) (307-01A Automatic Transmission - 10-Speed Automatic Transmission - 10R60, Removal and Installation).
E clutch control valve stuck in the OFF position DISASSEMBLE, CLEAN and INSPECT the E 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).
E 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 E 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 output shaft seals, input shaft seals and E clutch piston seals for leakage. INSTALL new components as necessary. Refer to: Transmission Case (307-01B Automatic Transmission - 10-Speed Automatic Transmission - 10R80, Overhaul).
E clutch hub, drum and No. 4 sun gear DISASSEMBLE and INSPECT the E-clutch hub and sun gear. Check for wear and damage. INSTALL new components as necessary.
REFER TO: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission - 10R80, Overhaul).
E-clutch piston seals DISASSEMBLE and INSPECT the E-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).
E-clutch friction plates DISASSEMBLE and INSPECT the E-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).
E-clutch is always applied SSE 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).
E-clutch control valve stuck in the applied position DISASSEMBLE, CLEAN and INSPECT the E 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).
E-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).
E clutch hub, drum and No. 4 sun gear DISASSEMBLE and INSPECT the E-clutch hub and sun gear. Check for wear and damage. INSTALL new components as necessary.
REFER TO: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission - 10R80, Overhaul).
E Clutch Piston Return Spring DISASSEMBLE and INSPECT the E-clutch piston return spring for damage. INSTALL new components as necessary.
REFER TO: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission - 10R80, Overhaul).
E-clutch friction plates DISASSEMBLE and INSPECT the E-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).
E-clutch delayed/soft/slipping 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).
SSE 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).
E-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 E-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).
E-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).
PERFORM an air pressure test on the E 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 output shaft seals, input shaft seals and E clutch piston seals for leakage. INSTALL new components as necessary. Refer to: Transmission Case (307-01B Automatic Transmission - 10-Speed Automatic Transmission - 10R80, Overhaul).
E-clutch piston seals DISASSEMBLE and INSPECT the E-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).
E-clutch friction plates DISASSEMBLE and INSPECT the E-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).
E-clutch hard 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).
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).
SSE 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).
E-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 E-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).
E 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).
E Clutch Piston Return Spring DISASSEMBLE and INSPECT the E-clutch piston return spring for damage. INSTALL new components as necessary.
REFER TO: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission - 10R80, Overhaul).
E-clutch friction plates DISASSEMBLE and INSPECT the E-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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