White smoke from ac in car

If the air temperature near the unit is below the dew point, this causes water vapor to form in the air and condense into water droplets, thus causing the fog or smoke. U can also smell exhaust smoke in traffic. You air vent is not closing properly and too much of outside air is mixing with your cold air , or your aircon coil is really dirty and lots of water condensation in you aircon system.

HOWTO looks at all the possible reasons why white smoke is coming from your exhaust pipe. A faint whiff and occasional wisp of oil smoke with the AC blower on low will generally indicate a minor oil leak in the engine compartment. A visible stream of constant smoke tells you that the source is very near the blower or the air intake, or is inside the duct itself. Make sure the steam is odorless. Bill Allen, owner of Mechanics Plus in Casselberry, Florida, says that air flows through a heater core and an evaporator core before exiting the vents.

Why is smoke coming from the air conditioner vent when the heat is on while the car has been running for a while? If it smells sweet ,it is coolant, and the heater core has failed. White smoke coming out of vents.

Yesterday I was driving my Accord down the highway with the air conditioning turned on. It started raining heavily for a little over minutes, and then the rain stopped. Suddenly, what appeared to be whitish smoke started coming out of the center vents.

I noticed white smoke or vapor coming from the AC vents when AC is on. When I change setting to recirculating air from inside of car as opposed to outside the smoke or vapor stops. Dealer service adviser told me it was because it must have been humid outside. If you notice white smoke coming from your muffler, don’t automatically assume the worst.

Condensation Burn Off. You may not have to worry because it could just be the accumulation of condensation causing that to happen. My 740Li has begun to have a strange smoke coming from it.

I have found that the white smoke , with a unique smell to it, was coming from the area where the AC compressor is located. It stopped spitting white smoke when I turned off the AC. One is the evaporator core has sprung a large leak, and the smell is from the refrigerant oil, and the fog is the refrigerant. At that point, the evaporator core needs to be replaced.

AC blows what looks like white smoke Recently, when turning on the AC , it appears that white smoke is blowing out of the vents. It does not smell like smoke or fill the interior up with this cloudy substance. On two occasions–the only two that I have used it–running the air conditioner has caused bluish smoke to come out of the engine. The AC still gets cold.

If I turn it off, the smoke slows and stops. One reason for white smoke is very common and completely harmless. If the white smoke coming out is in volumes, you should stop the car immediately and call for emergency roadside assistance, including a tow truck.

Heavy volume of white smoke means the engine is dangerously overheating. Regrettably, you may be faced with having to purchase a new engine.