Ok, so my heater coil blew out in my car, smoke came out of my vent, and rust colored anti freeze came in under the dash (also burning my foot, OUCH!). When it first happened (I obviously) did not realize that it had been running hot. Once it started smoking and the antifreeze came out I instantly cut the car off and coasted into a nearby parking lot. Once that happened it did not start back up!? I changed out the heater coil already, but now it won't run. I have flushed and re-filled the radiator and I KNOW I put the part back in exactly as it was before. The key will turn, and it acts as if it wants to start, but (sigh) nothing. :( It will not start. I checked the battery and its good, it just won't start. Any suggestions on what may be wrong? Thanks. Not sure why but it listed my vehicle as a Pontiac Grand Am......The vehicle I am looking for advice on is a 2000 Kia Sportage 4 x 4 THANKS!
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Sounds like a bad heater core. You will get steam/vapor out of vents from this. If you are referring to the over flow tube being the evaporator drain tube at the firewall its because the heater core shares the same case with the A/C and its filling up with anti-freeze.
Look in the radiator to determine if the brown stuff is rust or oil. If it's oil then the head gaskets are blown and the heads will have to go to a machine shop to be ground flat. Do them both even if one side is ok, or the engine will never idle right. If it's just rust, install a back flush kit and blow out the rust. Turn the heater on when you back flush to get the rust out of the heater core. Replace the thermostat and anti freeze. Pressurize the radiator and make sure it holds. If the pressure drops off then look to find where the leak is (head gaskets)
what color smoke ---color decoding white misty in beginning of start up is condensation in exhaust burning out --white billowy when driving even after warm most likely head gasket blown burning anti freeze if level low in tank/radiator also indicator ----black carbon build up needs tune up and some engine tlc -------blue burning oil internal engine problem/damage component[s]
Does the radiator fan operate properly? The radiator fluid level (checked when the engine is cold) must be 'at the cap' with the reserve tank about half-full. Blow out the radiator core with compressed air (from the engine side) to clean it of bugs and other debris. Does the anti-freeze look green or rust brown? If rust colored, the entire cooling system needs to be drained, cleaned with system cleaner, and refilled again with a 50/50 fresh mixture of anti-freeze and water. If combustion gases are leaking into the cooling system through a bad gasket or warped cylinder head, that will cause overheating. Check the radiator cap for condition of it's seal. Occasionally, the water pump impeller will begin slipping on it's drive shaft causing limited water flow through the system. That is checked by reducing the level of fluid in the radiator to just above the core and temporarily removing the thermostat. You will observe water moving rapidly if the pump is working.