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Let's Find Some Common Reasons, Why Your Car is Blowing Cool Air

The issues in the car can make people scratch their heads. You have a good reason to be frustrated if your car heater started blowing cold air instead of hot air in the middle cold winter. Defective cars heaters can make your cold winter unbearable. Much like a home heating system, many things can go wrong with car heaters because many compounds are working together to heat your car. If you find one or more issues from these your vehicle will blow cold air than hot air.

  1. Your engine doesn’t have enough coolant
  2. Problematic heater core
  3. Broken Heating controls
  4. Dysfunctional or Broken thermostats
  5. Water leakage

Your engine doesn’t have enough coolant:
To cool down your engine every vehicle uses coolant usually made up of 50% of water and 50% antifreeze. Especially during the hot summer days coolant is important for your vehicle. During the cold days when you turn up your heater, the coolant brought to heater core from the engine than it blows warm air into your vehicle.

You could feel the cool air in the first few minutes as engines have to warm up to provide heat to your interior. If your vehicle is still blowing cool air after a few minutes the very first thing that you have to check the coolant level in your car. If your car is low on coolant it will never send to the heater core to produce warm air.

Problematic heater core:
Vehicle heat problems are mostly associated with the heater cores as well; coolant may not travel properly through heater cores or the air from the blower is not reaching in the small tube of the heater core.

The responsibility of the vehicle’s defrosting and heating actions depends on the heater core. You can find heater cores in the back of the dashboard. If the coolant level of your car is fine and your car is still not blowing than you could have issues with the heater core. If you feel something is wrong with your car please watch for these signs!

  • Fog inside your vehicle
  • Sweet- smelling odor in your vehicle
  • Your car using coolant real quick
  • Engine overheating

Broken Heating controls:
After using the control buttons for several years they can stop working. If the coolant level in your car is fine and still your car is blowing cold air you could have problems with the heater core and for this, you may need to replace control buttons to overcome this issue.

Dysfunctional or Broken thermostats:
You may have a broken thermostat if the thermostat gauge stays on C even after the engine has time to heat up. If your thermostat is not signaling that your engine is warm than coolant will not be sent over to heater and the air will stay cool. These thermostats are inexpensive fix so installing a new one can help your car heater working again.

Water leakage:
This is the last common problem with the car heaters. The leakage may be from different places so make sure to check your hoses, water pumps, and radiator. An effecting heating system in your car can make an enjoyable winter. If you notice any of these issues contact a reputable local auto shop to fix your issues. If you ignore the problem it may cause a bigger and more costly one.

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