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Coon

Heater Cointrol On My Highlander

5 posts in this topic

Any idea why my heater blows cold air when it's set around the ¾ mark? Above and below this setting it's ok. 2003 Toyota Highlander.

Thanks

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thermostat is prob bad, try burbing the system first and if that doesnt work its probably the stat

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What do you mean burbing? And where is the stat on this thing? Thanks

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It is not the thermostat! If the t-stat was bad there would be limited heat at any setting (if the stat was stuck open) which is not the case. Likely there is either a problem with the temp control switch or the hot and cold blend door actuator. I woulod suggest a call or trip to the dealer to see if it 1. a known issue and 2. if they are aware of a fix. Likely you will fall into the "need diagnostic time" catagory.

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bummer..ok i'll let yas know...thanks

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