Symptom Chart
E Clutch
For E clutch operation,
REFER to: E Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Description and Operation).
E Clutch
Condition | Possible Sources | Action |
E clutch does not apply | SSE mechanically stuck OFF |
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 OFF |
DISASSEMBLE, CLEAN and INSPECT the E 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). |
|
E 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). |
|
CARRY OUT the air pressure test on the E 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 seals on the output shaft, the seals on the input shaft and the E clutch piston seals for leaks. INSTALL new components as necessary. REFER to: Transmission (307-01B Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Overhaul). |
||
E clutch hub, shell and sun gear no. 4 |
DISASSEMBLE and INSPECT the E clutch hub and
shell and sun 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). |
|
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 always applied | SSE mechanically stuck ON |
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 ON |
DISASSEMBLE, CLEAN and INSPECT the E 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). |
|
E 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). |
|
E clutch hub, shell and sun gear no. 4 |
DISASSEMBLE and INSPECT the E clutch hub and
shell and sun 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). |
|
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 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). |
|
SSE mechanically sticking |
|
|
E clutch control valve sticking |
|
|
E 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). |
|
CARRY OUT the air pressure test on the E 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 seals on the output shaft, the seals on the input shaft and the E clutch piston seals for leaks. 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 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). |
|
SSE mechanically sticking |
|
|
E clutch control valve sticking |
|
|
E 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). |
|
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). |
The front outboard and rear safety restraints in the vehicle are combination lap and shoulder belts.