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You heater works from water flowing from your radiator to the heater core, you may have a leak in your heater core.
You most likely also smell antifreeze inside the vehicle. It is most likely casued by a leaky heater core. Unfortunatly depending upon the make/model/year of your vehicle a heater core can be difficult and/or expensive to replace.
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∙ 16y ago
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Anti-freeze fluid through the air conditioner and heater vents on a Mazda?
it could be the heater is leaking!
You have radiator fluid leaking near your fire wall under the hood and some steam coming through your vents but you still have heat what could it be?
Sounds like a leak in either the heater core or the hose fitting at the heater core
Why would your ford 150 leak radiator fluid when the heater is used?
because the heater uses hot coolant/antifreeze to heat your car....the coolant passes thru the heater core, then a fan blows the warm air thru your vents Your heater core is leaking and must be removed and repaired or replaced.
Does low coolant level in radiator affect the heat output in winter?
Yes. The heater core provides the heat which blows out your vents. The heater core has engine coolant flowing through it (it is like a mini radiator) which creates the heat which warms the air that comes out your vents. If you have low coolant, there may be no coolant circulating through heater core, thus causing cold air to blow out vents.
What does it mean when radiator fumes are coming through the vents in a 1995 corvette?
Generally, with that smell- the heater core has gone bad.
Why do you smell radiator fluid and windows fog up?
heater core is going bad.
New Radiator new heater core replaced but one month later heater core blows out antifreeze into vents leading to car Auto part where heater core was purchased says it's something electrical?
check radiator cap for proper pressure first.then check clamps at heater core
Why does ac work but not heater?
AC and heater are 2 different systems. The heater works by channeling fluid from your radiator to a heater core usually located under your dash. Heater may not work due to blockage in the line from the radiator or the heater core under your dash may be faulty.
If radiator cap is bad could that cause there to be no heat in a 1999 Blazer 4.3L?
Only if it is allowing Fluid to escape. Does the radiator and heater core have enough fluid to circulate. If not you will not have heat.
Coolant fluid leak?
This fluid can leak from many places. Look in places where water hoses meet the engine, where the heater hoses go into the firewall, the radiator and your heater core.
Why did my heater ac stop putting out heat on my 2002 Mazda B2300?
Is your radiator fluid full?
2000 impala and its leaking radiator fluid under the dash?
your heater core is probably gone
