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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1620 (Automatic Transmission - 6T75 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information And Procedures >> No Torque Converter Clutch Apply

No Torque Converter Clutch Apply

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
Torque Converter Assembly (27)
  • Inspect for damaged Torque Converter Clutch Seal (inside converter assembly)
  • Diagnose Torque Converter Assembly for possible internal damage
Upper Valve Body Assembly (349) Inspect for worn, damaged or sticking TCC Regulator Apply (330) and TCC Regulator Apply Shuttle (331) Valves
Transfer Drive Gear Support Assembly (208) Inspect for worn or damaged Transfer Drive Gear Support Seal (213)
Torque Converter Housing Assembly (221) Inspect for worn or damaged Torque Converter Fluid Seal Assembly (225)