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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Automatic Transaxle - 4T80-E - Service, Diagnosis & Troubleshooting) >> No Torque Multiplication

No Torque Multiplication

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No Torque Multiplication

Checks Causes
Drive Sprocket Support
  • Broken or detached from case
  • Spline damage
Torque Converter - Stator
  • Poor acceleration - stator is freewheeling
  • Poor high speed performance - stator is locked up