Buzz Noise or High Frequency Rattle Sound. Pontiac Sunfire 2001

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 2001 🢒 Sunfire 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 3T40 🢒 Buzz Noise or High Frequency Rattle Sound

Checks

Cause

•	Trace Cooler Pipes

•	Check for binding or contact at the Radiator other than the Cooler Pipe Connectors

Verify a pressure buzz by watching for a needle vibration on the pressure gage. A road test may be necessary.