GM Service Manual Online
For 1990-2009 cars only

Check

Causes

DEFINITION: A popping noise, similar to popcorn popping.

Fluid 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