Heater does not blow hot air even if you turn it up to max.

Asked by Nov 04, 2015 at 04:48 AM about the 2002 Lexus RX 300 FWD

Question type: Maintenance & Repair

2 Answers

76,335

Check to see if your car is getting to operating temperature, if driving and the engine is cooling down then it would be a thermostat. Another would be a plugged heater core, radiator flush may be in order, Then there is the out-side air blend door that controls inside cabin temperature may not be working properly due to a vent system actuator module.

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20

u have to check the thermostat maybe it is not working and the thermostat sensor and u have to take a look on the tubes

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