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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Automatic Transmission - 6L80E) >> Diagnostic Information and Procedures >> No Torque Converter Clutch Apply

No Torque Converter Clutch Apply

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No Torque Converter Clutch Apply

Checks Causes
Torque Converter Assembly (1) Diagnose torque converter for possible internal damage.
Fluid Pump Cover Assembly (219)
  • Inspect for worn, damaged, or sticking converter feed limit valve (220) and spring (221).
  • Inspect for worn, damaged, or sticking TCC control valve (227) and spring (226).
  • Inspect for damaged stator shaft.
Control Valve Lower Body Assembly (307) Inspect for worn, damaged, or sticking torque converter clutch (TCC) regulator apply valve (355).
4-5-6 (with Turbine Shaft) Clutch Assembly (56)
  • Inspect for damaged turbine shaft.
  • Inspect for damaged turbine shaft O-ring seal.
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