Experiencing cold air from vents when the heater is on? Possible causes include low coolant, thermostat issues, air pockets, heater core problems, or blend door actuator failure. Consult a mechanic for diagnosis and repair to ensure warmth during colder months.

1. Wondering What's
Causing Your Car To Blow
Cold Air When The
Heater Is On?

2. Experiencing cold air blowing from your car's
vents when the heater is on can be
frustrating, especially during colder months.
Let's explore some common reasons behind
this issue and what you can do to resolve it.

3. Low Coolant
Level

4. Insufficient coolant can
prevent the heater core
from warming up properly.

5. This is something that can
result in cold air blowing
from the vents.

6. Check the coolant level in
the reservoir and top it up if
it's low.

7. Be sure to use the
recommended coolant type
for your vehicle.

8. Thermostat
Malfunction

9. A faulty thermostat can
cause the engine to run
cooler than it should.

10. This may lead to inadequate
heat production for the
heater core.

11. Consider replacing the
thermostat if you suspect
it's malfunctioning.

12. Consult your vehicle manual
or a mechanic for guidance.

13. Air Pocket in
the Cooling
System

14. Air pockets trapped in the
cooling system can hinder
the circulation of coolant to
the heater core.

15. It may result in cold air
blowing from the vents.

16. Bleed the cooling system to
remove any air pockets.

17. Refer to your vehicle
manual for the proper
procedure or seek
assistance from a mechanic.

18. Heater Core
Issues

19. A clogged heater core can
prevent hot coolant from
circulating through it.

20. Disrupted coolant
circulation can prevent cold
air blowing from the vents.

21. Have the heater core
inspected by a qualified
mechanic and replace it if
necessary.

22. Blend Door
Actuator Failure

23. The blend door actuator
controls the airflow and
temperature inside your
car's cabin.

24. If it fails, it may prevent the
heater from producing
warm air.

25. Have the blend door
actuator inspected and
replaced if needed by a
professional mechanic.

27. Cold air blowing from your
car's vents when the heater
is on?

28. Diagnosing and resolving
the issue is possible. Visit
the nearest service centre
to get it repaired.

29. FRANKLIN
AUTOMOTIVE
https://franklinautomotive.com/