No Torque Converter Clutch (TCC) Apply
Checks
| Causes
|
Valve Body Assembly (60)
|
| • | Regulator apply valve side loading |
| • | Stuck converter clutch valve |
| • | TCC apply valve stuck closed (debris in bore) |
| • | TCC/PWM solenoid broken/cracked |
| • | Turbine shaft O-ring omitted |
| • | TCC/PWM solenoid leaking |
|
Input Housing and Turbine Shaft Assembly (621)
|
| • | Turbine shaft hole not drilled to full depth |
| • | Scratched turbine shaft journals |
| • | Turbine shaft O-ring omitted/damaged |
| • | Turbine shaft retainer and ball assembly restricted or damaged |
|
Electrical
|
| • | 12 volts not supplied to transmission |
| • | Outside electrical connector damaged |
| • | Inside electrical connector damaged |
| • | Electrical short (pinched wire) |
| • | TCC solenoid not grounded |
|
Torque Converter Clutch (1)
| Internal damage (blue or distorted)
|
Oil Pump Assembly (4)
|
| • | TCC outer spring cocked |
| • | Orifice cup plug restricted or damaged |
| • | Pump to case gasket mispositioned |
| • | Converter clutch valve retaining ring mispositioned |
| • | Converter clutch valve stuck or assembled backwards |
|
Transmission Fluid Pressure Manual Valve Position Switch (69)
|
|
Solenoid Screen (367A/367B)
| Blocked
|
TCC Solenoid Valve (Part of 66)
| Internal damage
|
Engine Speed Sensor
| Internal damage
|
Engine Coolant Temperature Sensor
| Internal damage
|
Automatic Transmission Fluid Temperature Sensor (Part of 69)
| Internal damage
|
Brake Switch
| Internal damage
|
TCM
| Internal damage
|
TCC PWM Solenoid (Part of 66)
| Internal damage
|
