Question about 2006 Ford F-150
The leak is most likely in your heater core.
You may not be getting a lot of water, but water vapor or steam.
that is venting into the heater box.
If you want to replace it, they cost about about $100 - $200 and are labor intensive to replace. You will have to remove the dashboard to get at it.
This is a fairly dangerous problem and I would suggest you don't drive the vehicle until you get it fixed.
Posted on Oct 16, 2013
There simply has to be an antifreeze leak under the dash on the heater coil element. It's likely small enough to only coat the fins, and it is then blown into the car by the heater fan. Usually the coil is connected to the hoses with simple worm gear clamps, but getting to the heater coil element is one of the worst projects in nearly any car, but it's the only way to address the problem.
Posted on Nov 05, 2013
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Posted on Jan 02, 2017
Michigan Man is correct, bad heater core. if you have never attempted replacing 1 b4 i DO NOT recommend attempting to do yours! you pretty much have to remove the dashboard to replace the heater core! price shop would be my best suggestion, it aint cheap either!
Posted on Mar 26, 2010
Testimonial: "I watched an on line tutorial on it and I think it will go to the shop, just a bit beyond my skills. Thanks."
You have a hole in your heater core. This is an involved and difficult job that has vehicle specific steps ( My jeep calls for 10 shop hours to change heater core as the entire dash has to come apart as well as the passenger side of the engine compartment). If you do not have extensive mechanical skills I recommend taking it to a shop. If you want to try it yourself, get a manual to see just exactly how involved it is. There is a way to stop the fogging and smell but you will not have heat afterwards - or defrost. Measure the diameter of the heater core hoses ( passenger side of the firewall, small Diameter ( 5/8 inch or so) hoses and take the measurements to your local auto parts store for a straight adapter and clamps. Remove both clamps from fire wall nipples and place adapter from one hose to the other. install and tighten clamps, then top off Radiator. You may be able to find a small ceramic heater that will plug into the cigarette lighter to clear the windshield and warm you slightly, and this will hold the job off until you can afford the fix - being able to use the car, that is!!
Hope this helps!!
Posted on Dec 05, 2010
SOURCE: I've been getting an anti-freeze
if you r getting smell in car and fog on windshield, with known history for common problem, you have a heater core leaking, You could try a stop leak from a parts supplier, but you need a heater core, and is a rather big job, as entire dash needs to be pulled back to axcess
try stop leak, if that doesn't fix, you didn't waste alot of time and money
good luck, and if you wanna tackle job, let me know i will send guided steps to help you along
Posted on Jun 06, 2011
Testimonial: "Very quick with a very good answer to my question. A quick fix that may work and an offer to help with a more thorough solution. Top notch!"
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