For 1990-2009 cars

#### No Torque Converter Clutch Shudder

Checks | Causes
--- | ---
Electrical |

• | 12 volts not supplied to transmission

• | Outside electrical connector damaged

• | Inside electrical connector, wiring harness or solenoid damaged

• | Electrical short (pinched solenoid wire)

Converter (1) | Internal damage
Oil Pump Assembly (4) |

• | Converter clutch valve stuck or assembled backwards

• | Converter clutch valve retaining ring mispositioned

• | Pump to case gasket mispositioned

• | Orifice cup plug restricted or damaged

• | Solenoid O-ring seal cut or damaged

• | High or uneven bolt torque (pump body to cover)

Input Housing and Shaft (621) |

• | Turbine shaft O-ring seal cut or damaged

• | Turbine shaft retainer and ball assembly restricted or damaged

Transmission Fluid Pressure Switch Assembly (69) |

• | Contamination

• | Damaged seals

Control Valve Body Assembly (60) |

• | TCC signal valve stuck

• | Solenoid O-ring leaking

Shift Solenoid Screen (367A/367B) | Blocked