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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Automatic Transmission - 4L60-E/4L65-E (Troubleshooting)) >> Troubleshooting >> Torque Converter Clutch (TCC) Shudder

Torque Converter Clutch (TCC) Shudder

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No Torque Converter Clutch Shudder

Checks Causes
Miscellaneous
  • Low oil pressure
  • Engine not tuned properly
  • Contaminated transmission oil
Oil Filter (72)
  • Crack in filter body
  • Flash restricting filter neck
  • O-ring seal (71) cut or damaged
Torque Converter Assembly (1)
  • Internal damage
  • Broken weld or missing weight
Oil Pump Assembly (4)
  • Converter clutch valve (224) stuck
  • Restricted oil passage
Input Housing and Shaft Assembly (621)
  • Turbin shaft O-ring (618) cut or damaged
  • Turbin shaft retainer and ball assembly (617) restricted or damaged