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Home >> Chevrolet >> 2008 >> HHR SS, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transaxle - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information and Procedures >> Popping Noise

Popping Noise

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Popping Noise

Checks Action
DEFINITION: A popping noise, similar to popcorn popping.
Oil Pump System
  • Inspect for pump cavitation, indicated by bubbles in fluid.
  • Inspect the transmission fluid filter for a leaky seam.
  • Inspect the transmission fluid filter seal for improper positioning or for a cut seal.
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