Symptom Chart
C Clutch
For C clutch operation,
REFER to: C Clutch (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Description and Operation).
C Clutch
Condition | Possible Sources | Action |
C clutch does not apply | SSC mechanically stuck OFF |
INSTALL a new solenoid. REFER to: Shift Solenoids (SS) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation). |
C clutch control valve stuck OFF |
DISASSEMBLE, CLEAN and INSPECT the C 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). |
|
C clutch latch valve stuck OFF |
DISASSEMBLE, CLEAN and INSPECT the C clutch
latch 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). |
|
C 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 C 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 front support assembly, input shaft Teflon seals, CDF clutch cylinder and C clutch piston seals for leaks. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
||
CDF clutch cylinder, ring gear no. 2, sun gear no.3 |
DISASSEMBLE and INSPECT the CDF clutch
cylinder, ring gear no. 2 and sun gear no. 3 for wear and damage.
INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
|
C clutch piston seals |
DISASSEMBLE and INSPECT the C clutch piston
seals for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
|
C clutch friction plates |
DISASSEMBLE and INSPECT the C clutch
friction and steel plates for wear and damage. INSTALL new components as
necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
|
C clutch always applied | SSC mechanically stuck ON |
INSTALL a new solenoid. REFER to: Shift Solenoids (SS) (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Removal and Installation). |
C clutch control valve stuck ON |
DISASSEMBLE, CLEAN and INSPECT the C 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). |
|
C clutch latch valve stuck ON |
DISASSEMBLE, CLEAN and INSPECT the C clutch
latch 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). |
|
C 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). |
|
CDF clutch cylinder, ring gear no. 2 |
DISASSEMBLE and INSPECT the components for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
|
C clutch piston return spring |
DISASSEMBLE and INSPECT the C clutch piston
return spring for damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
|
C clutch friction plates |
DISASSEMBLE and INSPECT the C clutch
friction and steel plates for wear and damage. INSTALL new components as
necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
|
C 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 MHT, 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). |
|
SSC mechanically sticking |
|
|
C clutch control valve sticking |
|
|
C clutch latch valve sticking |
|
|
C 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 C 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 front support assembly, input shaft Teflon seals, CDF clutch cylinder and C clutch piston seals for leaks. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
||
C clutch piston seals |
DISASSEMBLE and INSPECT the C clutch piston
seals for wear and damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
|
C clutch friction plates |
DISASSEMBLE and INSPECT the C clutch
friction and steel plates for wear and damage. INSTALL new components as
necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
|
C 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 MHT, 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). |
|
SSC mechanically sticking |
|
|
C clutch control valve sticking |
|
|
C clutch latch valve sticking |
|
|
C 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). |
|
C clutch piston return spring |
DISASSEMBLE and INSPECT the C clutch piston
return spring for damage. INSTALL new components as necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
|
C clutch friction plates |
DISASSEMBLE and INSPECT the C clutch
friction and steel plates for wear and damage. INSTALL new components as
necessary. REFER to: Transmission (307-01A Automatic Transmission - 10-Speed Automatic Transmission – 10R60, Overhaul). |
WARNING: Do not adjust the steering wheel when your vehicle is moving.
Note: Make sure that you are sitting in the correct position.
Unlock the steering column. Adjust the steering wheel to the desired position. Lock the steering column.