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Search Auto Parts Search Heater problems Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> AC Auto Repair Help Forum kkollins New User Nov 20, 2011, 11:05 AM Post #1 of 5 (2542 views) Heater problems Sign In '03 Camry V6. Several weeks ago my heater started only blowing hot air out the floor vents....sometimes it will be somewhat warm out the defrost vent and dash vents but usually just cool air. Bad thermostat? Heating core? Is one easier to eliminate than the other to see if it's the culprit? Hammer Time Ultimate Carjunky / Moderator Nov 20, 2011, 11:27 AM Post #2 of 5 (2521 views) Re: Heater problems Sign In It's not going to be either one of those things. The fact that you get heat in one position eliminates those things. There has to be a control issue inside the car somewhere. It has an electric blend door and an electronic control head operating it. I have to tell you though, this is not a symptom I have ever heard of and it doesn't add up. It would make a little sense if this is an Auto Temp Control system though. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Tom Greenleaf Ultimate Carjunky / Moderator Nov 20, 2011, 11:30 AM Post #3 of 5 (2516 views) Re: Heater problems Sign In Not thermostat if airflow is the issue. Some will trickle to windshield with heat/floor only request but not much thru panel vents. Temp fluctuations MAY be coolant level, a diverter door. If you find coolant level low - FIND OUT WHY! That doesn't explain improper air flow but check it anyway, T Hammer Time Ultimate Carjunky / Moderator Nov 20, 2011, 11:33 AM Post #4 of 5 (2510 views) Re: Heater problems Sign In If it's capable of producing heat at the floor setting, then the heater core is full of coolant and doing it's job. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Tom Greenleaf Ultimate Carjunky / Moderator Nov 20, 2011, 11:48 AM Post #5 of 5 (2500 views) Re: Heater problems Sign In Unsure of exact description if heater was involved with warming up some as well. More info or I'm interpreting or seeing it ambiguously?? Tom   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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