Buzz Noise or High Frequency Rattle Sound. Chevrolet Cobalt 2005

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2005 🢒 Cobalt 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T40-E/4T45-E 🢒 Buzz Noise or High Frequency Rattle Sound

Checks

Action

•	Trace Cooler Pipes

•	Inspect for binding or contact at the radiator, other than at the cooler pipe connectors.

Verify a pressure buzz by watching for a needle vibration of the pressure gage. A road test may be necessary. Refer to Road Test .