For 1990-2009 cars

#### Slips in Drive

Checks | Cause
--- | ---
Fluid Level | Low: correct
Vacuum Line | Pinched, slowing vacuum response
Modulator | Damaged
Oil Pressure | See causes of low pressure
Modulator Valve | Stuck or binding
Forward Servo Assembly | Damaged or missing cushion spring or retainer
Forward Servo Piston | Damaged seal
Oil Filter | Plugged
Filter Seal | Cut or damaged
Forward Servo Seal |

• | Leaking, damaged, or missing seal

• | Low torque of bolts

Torque Converter | Stator roller clutch not holding
Bolt | Low torque allowing leakage for driven sprocket support
Input Clutch Assembly |

• | Leaks at ball capsule or seals

• | Damaged seals

Pump Assembly |

• | Sticking slide

• | Leak at the slide seals

1-2 Shift Solenoid, TCC solenoid | Malfunctioned or mislocated