Why is there no warm air in the car?

1 Answers
SanKevin
07/29/25 11:44pm
The reasons why there is no warm air in the car are: 1. Blower failure; 2. Air door flap or air door motor failure; 3. Water temperature sensor signal failure; 4. Clogged heater core; 5. Water pump slippage or damage, heater flow valve or coolant circulation valve failure; 6. No air bleeding after coolant replacement. The method to turn on the warm air is: 1. After the car has been running for 5 to 10 minutes and the water temperature has risen to normal temperature, you can turn on the car's warm air; 2. Adjust the car's air conditioning circulation mode to internal circulation; 3. Switch to the car's warm air mode, which is the red zone; 4. Adjust the car's air conditioning gear to the appropriate position and adjust the direction of the car's air vents.
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