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thermostst is stuck

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Q: What causes a 1991 Acura Legend heater to not blow hot air if there's no leakage on the heater core or smell of coolant?
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Related questions

What causes a night heater to blow cold air?

Low coolant, bad coolant, blockage in the coolant line, bad heater core or element, bad thermostat


What causes the front and rear floor on passenger side to be wet in 1990 acura legend?

If it is coolant, a leaky heater core. If it is water, a clogged ac drain or damaged door gasket.


What causes the heater to blow cold air when the engine is overheating on a 1999 Cadillac Seville?

Low coolant. If the coolant is low then the heater core is not able to transfer heat in to the car.


Why intrepid 2000 3.2 L heater's blows cold air and you have to add the coolant every 3 or 4 days?

You have a coolant leak somewhere. Fill and check underneath for any obvious leakage.


What causes heater core failure?

Never flushing & replacing your anti-freeze/coolant...


What are causes of Coolant leak?

Broken or split hose Radiator leak heater core leak


What causes coolant smell in the cabin on a 2001 Le Sabre?

Maybe the heater core is leaking.


What causes the heater not to work and the car to over heat on a 1992 Pontiac Grand Am?

Low coolant.


What causes heater core to not get any water when car is not losing coolant or overheating?

Heater core may be air bound and have to be bled Heater core may be plugged or restricted Thermostat may not be opening allowing coolant flow to core


If the heater core is not replaced can it cause damage?

If your heater core is LEAKING engine coolant so that your engine coolant level drops too low or the engine coolant is lost completely and causes your engine to overheat then your engine can be damaged beside the mess the leaking coolant makes inside your vehicle ( you might be able to just temporarily bypass the heater core so that no engine coolant is flowing through the heater core )


Does a blown head gasket affect the heater from getting hot?

When a head gasket blows, it most often causes a lose of coolant either in the exhaust or the oil. When the coolant drops, there is not enough to circulate through the heater core. The engine may over heat but no heat will come out of the heater because there is no coolant in it.


What causes a car heater to blow out less hotter air?

Not enough coolant is running through the system chek for leaks and chek your heater core