Did you realize that your heater is actually designed for cooling your own engine? The key of every automotive heater is a heat exchanger just like the Lexus Es300 heater core. The part is nearly the same as the radiator in your cooling system. It actively works to collect hot coolant from the engine into its inlet and makes use the attached fins to increase transfer of heat to fan-forced air. This can both heat the cabin and also cool your engine.

The Lexus Es300 heater core is situated underneath the dash panel. First part you'll see certainly is the fins that're connected to brass or aluminum tubes. A typical heater core has an pipes that are for accepting and flowing out coolant. The actual quantity of warm air that's vented in the interior is usually managed via a switch level on the dashboard.

Eventually, this component is going to malfunction. You do not need to withstand low overall performance and/or change the entire heater system to recover its Lexus Es300 heater core performance. Parts Train offers OES Genuine, Vista-Pro Automotive, or Replacement heater core replacement products that you can get one from.