GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2005
🢒
Cobalt
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T40-E/4T45-E
🢒 Popping Noise
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.