smell in air vints and smoke on 1991 Ford Explorer

for some reason i started smelling like coolant or some other smell in my car then the other day i had smoke or steam and this smell comming out of my air vents what could this be

by in Buellton, CA on May 05, 2009
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3 answers 1 comment
ANSWER by , May 06, 2009
This is likely from a leaking heater core. Make sure the coolant level is OK if you continue to drive the car, but you should get it fixed soon.
COMMENT by , May 06, 2009
hey thanks Bret Bodas thats what I thought it might be this site is great now should i replace both the core and the control valve or just the core
ANSWER by , March 27, 2010
4 i in filter
ANSWER by , October 02, 2010
your heater core has a leak in it and needs replaced.