could be a bad bearing on the air conditioner clutch assembly.
do you need to remove dashboard in 2003 chevy impala to replace heater core
The 2003 Impala has a 17 gallon fuel tank
2003
check with your Chevy dealer on that.
The most common cause of the whistling in a 2003 Impala is a vacuum leak. Any of the lines under the hood could be causing the noise.
Fix a "door ajar" on Chevy Impala 2003 . Still on doors closed.
In the fuel tank
antifreeze lines
i need a step by step instruction on how to remove or replace a radiator of a 2005 3.4L chevy impala
how do you replace a transmission pressure control solenoid in a 2003 chevrolet impala
Check with your local Chevy dealer on that.
there is no drain plug