GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Lucerne 🢒 Transmission 🢒 Automatic Transmission - 4T80-E 🢒 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