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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 709 (Automatic Transaxle - 4T45-E - Service, Diagnosis & Troubleshooting) >> Troubleshooting >> Popping Noise

Popping Noise

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
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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