Low coolant and a clogged heater core are possibilities.
You need to change your thermostat in the car.
faulty control valve on heater or air in the lines
Your car's heater may be blowing cold air because there could be issues with the thermostat, low coolant levels, a malfunctioning heater core, or a problem with the blend door. It is recommended to have a professional mechanic inspect and diagnose the issue to determine the exact cause and necessary repairs.
Low on coolant. Bad thermostat. plugged heater core. Temp blend door malfunction.
Have you checked your thermostat?
if car is blowing cold air, you need to check the thermostat,the heater core, and the heat control. the coolant will not blow cold air unless there is no coolant at all in engine,then you have bigger problem anyway
I assume your car heater is blowing cold air, when the heater is on. It seems that, you have air on your coolant. that air pockets blocks the cooland to travel through your heater. it may be a sign of a bigger problem such as blown head gasket in the old cars, such acura legend
Your car's heater may be blowing cold air instead of heat due to issues such as low coolant levels, a malfunctioning thermostat, a clogged heater core, or a faulty blend door. It is recommended to have a professional mechanic inspect and diagnose the problem to determine the exact cause and necessary repairs.
Low on coolant. Stuck open thermostat. Plugged heater core. Temp blend door inop.
needs heater core replaced wost likely be hind the glove box
There are several possible reasons why your car's heater may be blowing out cold air instead of heat. Some common causes include low coolant levels, a malfunctioning thermostat, a faulty heater core, or a problem with the blend door. It is recommended to have a professional mechanic diagnose and repair the issue to ensure proper functioning of your car's heating system.
most likely thermostat stuck less than $ 15 part