GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Transmission 🢒 Automatic Transmission - 4L60-E/4L65-E/4L70-E 🢒 Popping Noise

Popping Noise

Checks

Action

DEFINITION: A popping noise, similar to popcorn popping

Oil Pump System
    • Check fluid level.
    • 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.