Vauxhall Workshop Service and Repair Manuals > Astra J > Transmission/Transaxle | Automatic Transmission- 6T30 / 6T40 / 6T45 | Diagnostic Information and Procedures | Miscellaneous | Harsh Torque Converter Clutch Apply, or Inoperative or No Electronically Controlled Capacity Clutch Control

Harsh Torque Converter Clutch Apply, or Inoperative or No Electronically Controlled Capacity Clutch Control

Checks

Causes

Torque Converter Assembly (28)

•	Inspect for leaking or damaged Torque Converter Clutch Hub Seal.

•	Diagnose Torque Converter Assembly for possible internal damage. Refer to Torque Converter Diagnosis .

Valve Body Assembly (433)

Inspect for worn, damaged or sticking TCC Regulator Apply (425) and TCC Regulator Apply Shuttle (426) Valves.