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Home >> Buick >> 2011 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Automatic Transmission - 4T80-E - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Popping Noise

Popping Noise

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Popping Noise

Checks Causes
DEFINITION: A popping noise similar to popcorn popping
Oil Pump System
  • Pump cavitation, indicated by bubbles on the fluid level indicator
  • Leak in the seam of the transmission fluid strainer
  • Cut seal or improper positioning of the transmission fluid strainer
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