GM Service Manual Online
For 1990-2009 cars only

Torque Converter Clutch Stuck On for Saturn ION 2003

Checks

Action

Line limit valve (310) and spring (309)

Inspect for wear, sticking, binding or damage. Refer to Control Valve Body Assembly Disassemble .

Control valve body (305)

Inspect for porosity, damage, or contamination with debris. Replace or flush the control valve body (305). Refer to Control Valve Body Replacement .

TCC control valve (308) and spring (307)

Inspect for wear, sticking, binding or damage. Refer to Control Valve Body Assembly Disassemble .

TCC regulator valve (319) and apply valve spring (320)

Inspect for wear, sticking, binding or damage. Refer to Control Valve Body Assembly Disassemble .