Why is my car heater taking so long to warm up?

How long does a car heater take to warm up?

If you have a late-model car or SUV with a 4-cylinder engine, and it is parked outside in below-freezing temperatures, it may take up to 10-15 minutes of driving before you can get good heat from the vents. An older car with a larger engine may take 5-10 minutes of driving to warm up.

How can I make my car heater heat up faster?

TURN THE TEMPERATURE TO COLD AND TURN OFF THE FAN

Yes, that may seem backward but that’s how a cars heating/cooling system works. Then, after driving for a bit, turn it to hot and turn on the fan. It’ll get hotter faster this way, than if you were to get in and turn it to hot with fans on full.

Why isn’t my car heating up fast?

A bad thermostat that isn’t allowing the engine to properly warm up. A blower fan that isn’t working properly. Coolant that contains rust particles or becomes otherwise contaminated and is blocking the heating core from circulating air into the cabin properly.

Why is the heater blowing cold air in my car?

A car heating system blowing cold air can be due to a faulty thermostat, low coolant fluid level, malfunctioning heater core, a leaking cooling system, or problems with heating controls and blend door.

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Does revving the engine help heat the car?

The short answer: Yes, you can rev your engine to make it warm up faster. One big caveat to that answer is that it is highly recommended you don’t do that. With modern gasoline vehicles, most manufacturers recommend you start the car and immediately start driving.

How can I warm up my car?

Here’s what you should do.

  1. Make sure your vehicle is in a safe spot. It should be out in the open air, not in a garage.
  2. Turn on the vehicle and defroster. The defroster will help clear the window while the engine warms up. …
  3. Let the engine run for 30 seconds. …
  4. Start slowly and take it easy for the first 5-15 minutes.

How do I know if my thermostat is bad?

HVAC system won’t turn on: The most obvious sign of a bad thermostat is that the HVAC system in your building won’t turn on or respond to the thermostat. You should be able to turn on your heating or cooling system from the thermostat, or change operation back and forth from heating to cooling.