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There are several possible reasons why your car's heater may be blowing cold air when the heat is on. Some common causes include low coolant levels, a malfunctioning thermostat, a clogged 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.
What else can I help you with?
Jeep Wrangler has no heat?
What do you mean by "has no heat"? No air blowing out, blowing out cold air when heater is on, blowing nothing at all? Heater not turning on? What specifically is happening?
1989 Chevy Corsica has no heat or defrost or blowing at all why?
If you feel no air blowing at all (when you are not moving) then your fan is not blowing. If it is blowing air, and it is cold, when the heater is on, then most probably your heater core is leaking, or is clogged. These are easily replaceable and go bad all the time in older cars.
Why does your heater blows cold then hot then cold then hot?
It is because your heater is having to heat up so its blowing cold air out while its heating up.This means your heater is not very efficient and it needs to be checked.
Why is the heat in my car alternate between hot and cold?
There are many reasons that the cars heating system may alternate between blowing hot and cold air. Some common causes of this include the heater core and air pockets in the coolant.
Why is my car's heater blowing cold air instead of heat?
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.
Why is my 98 Renault laguna blowing cold air the 2 pipes from heater core are hot there is a slight heat from the blower when its turned on?
the heater matrix is blocked
1998 Lincoln town car blowing cold air instead of blowing heat?
needs heater core replaced wost likely be hind the glove box
Why is my heat blowing cold air?
Your heat may be blowing cold air due to issues with the thermostat, low coolant levels, a malfunctioning heater core, or a problem with the blend door. It is best to have a professional inspect and diagnose the issue for an accurate solution.
Heater blowing out cold air?
Check the radiator for full coolant. Check the engines water pump and thermostat, as the engine coolant carries heat from the engine into the heater core.
Why is your 1999 F150 blowing cold air when the heat is on?
Low coolant? Defective thermostat? Heat control cable not adjusted properly? Heater core plugged or airbound?
My 2001 Chevy blazer will only blow cold air what can you do to trouble shoot what repair must be made?
My 2001 Chevy Blazer was blowing cold air when I had the heat on. My husband flushed the line to the heater core and a bunch of junk came out and now my heat works great. My 2001 Chevy Blazer was blowing cold air when I had the heat on. My husband flushed the line to the heater core and a bunch of junk came out and now my heat works great.
Why is the heat blowing cold air?
The heat may be blowing cold air because there could be issues with the thermostat, a lack of enough coolant in the system, a malfunctioning heater core, or a problem with the blend door. It is recommended to have a professional inspect and diagnose the issue to determine the exact cause.
