95% chance it's your air mix servo starting to fail. The servo can be removed and cleaned (lot's of instructions in Lexus forums) and will work correctly and quietly for a period of time before failing again. A new servo from SewellParts.com is about $125 shipped.
Dashboard Noises
in 99 - 03 Lexus RX300
Posted
95% chance it's your air mix servo starting to fail. The servo can be removed and cleaned (lot's of instructions in Lexus forums) and will work correctly and quietly for a period of time before failing again. A new servo from SewellParts.com is about $125 shipped.