GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2006
🢒
Lucerne
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 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
