dfwflyr85 Posted October 22, 2007 Share Posted October 22, 2007 I have had a heck of a time finding tech info on my car. I bought it about 3 months ago and love it, but the only problem that i have is that the heater wont blow hot air. I tried to get to the sensor next to the key ignition (little screen thingy) but had no luck. im not really sure what thats even for, i assume its a temp sensor. I have listened when i switch the AC control from cold to hot and there is servo movement under the dash but i dont know if it is moving the blend air door or if its changing the airflow direction. Under the hood i see there is a switch/sensor that looks like a valve for coolant going to the heater but i dont know how to test if its working, and the vacuum lines attached to it kinda confuse me. I dont know whats wrong with it but i know im tired of being cold. I would take it to a shop but besides the fact that i have a poverty level income now, i dont have the time to get it to and from a shop, i travel alot and come in and out of town at weird hours. someone please help Quote Link to comment Share on other sites More sharing options...
sjc6765 Posted October 22, 2007 Share Posted October 22, 2007 There is a previous post on this subject,, I have the same problem. My heater valve only has 1 vac line going to it.. I am waiting for someone to post a pic of how this valve is supposed to be hooked up. Here is the link. http://us.lexusownersclub.com/forums/index...2&hl=heater Quote Link to comment Share on other sites More sharing options...
seashman Posted December 18, 2007 Share Posted December 18, 2007 There is a previous post on this subject,, I have the same problem. My heater valve only has 1 vac line going to it.. I am waiting for someone to post a pic of how this valve is supposed to be hooked up. Here is the link.http://us.lexusownersclub.com/forums/index...2&hl=heater Quote Link to comment Share on other sites More sharing options...
SeanGrac Posted December 22, 2007 Share Posted December 22, 2007 I have had a heck of a time finding tech info on my car. I bought it about 3 months ago and love it, but the only problem that i have is that the heater wont blow hot air. I tried to get to the sensor next to the key ignition (little screen thingy) but had no luck. im not really sure what thats even for, i assume its a temp sensor. I have listened when i switch the AC control from cold to hot and there is servo movement under the dash but i dont know if it is moving the blend air door or if its changing the airflow direction. Under the hood i see there is a switch/sensor that looks like a valve for coolant going to the heater but i dont know how to test if its working, and the vacuum lines attached to it kinda confuse me. I dont know whats wrong with it but i know im tired of being cold. I would take it to a shop but besides the fact that i have a poverty level income now, i dont have the time to get it to and from a shop, i travel alot and come in and out of town at weird hours. someone please help Change the thermostat. Quote Link to comment Share on other sites More sharing options...
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