GM Service Manual Online
For 1990-2009 cars only

Harsh Torque Converter Clutch Apply, or Inoperative or No Electronically Controlled Capacity Clutch Control for Pontiac G6 2007

Checks

Causes

Torque Converter Assembly (27)

Inspect for leaking or damaged Torque Converter Clutch Hub Seal

Drive Gear Support Assembly (208)

Inspect for leaking Drive Gear Support Seal (213)