Above is a pic of the plastic clip that was very loose allowing the AC line to move. I originally tie wrapped thaty line to the radiator support but noticed wear on the line so I decided to put the foam!

The line also hit the fender behind the hole in the fender for the airbox. MOre foam!

the sqeaking sound that came with the rattle was caused by the line hitting the coolant overflow tank. On my 05 the overflow tank is on the firewall!
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