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If you are talking about "smoke" that fills the interior it can be one of two things. One, a leaking heater core. Two...if your engine smokes from oil dripping on the exhaust, etc you could have a crack in the housing for the A/C and it's pulling in the smoke and gasses from the engine compartment.
What else can I help you with?
Why does smoke come through the vents of your car when running the heater on a Grand Am 1994?
Means that your heater core is leaking coolant. Has to be replaced.
Why would smoke pour from your ac vents without the ac running?
The heater core is leaking coolant.
What causes a 1994 Firebird V6 not to have spark after smoke came out from around the distributor cap after changing the battery and not having a good connection?
ummmm you fried it
Why does smoke come through vents in car when the heater is running?
The smoke you see may be moisture/steam. The heater core is probably leaking engine coolant. If the "smoke" has a sweet smell to it, it's engine coolant. More info about the vehicle such as model and year would help.
What causes smoke to come through the vents in the dash board in your 1991 deville?
could be a leaking heater core ( Steam ) . Depends on WHAT KIND OF SMOKE. Is it steam or smoke. Smoke like something burning could be oil. electrical, etc
Why does white smoke come out of your vents when you turn on your heater in your car?
If it is smoke the heater fan motor has failedORElectronics in the heater have failed ORif it smells like anti freeze rather than smoke the heater core has failed.
Why does a 2001 dodge Cummins have no smoke?
It is not meant to smoke. It is running properly if there is no black smoke.It is not meant to smoke. It is running properly if there is no black smoke.
What are causes for black too much smoke of diseal engine?
excessive amount of fuel, running too rich.
What are the common causes of a running nose?
Common causes of a runny nose include allergies, colds, flu, sinus infections, and irritants like smoke or pollution.
What causes the smoke-belching vihicles?
what is the causes of smoke belching
Why does your 2002 kia sportage dash smoke when the heater is turned on?
are we sure it is smoke not hot anti-freeze mist leaking from heater core ? if it truly is smoke you have a shorted fan switch.
What causes smoke 2 come from your ac vents when ac is on?
A leaking heater core. oil is leaking on the engine and is burning and beining drawn in by the vent or the blower motor is going out Are you sure it's smoke or is it steam? If your windows are steaming up and it smells like maple syrup , your heater core is probably leaking.
