Why is my car blowing out cold air when the heat is on?

Why is my car blowing out cold air when the heat is on?

Problems with the vehicle’s heating system can be either no air or only cold air coming out of the heating system. 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.

How do I reset my AC in my Ford Explorer?

First You should turn Your SUV on and then press and hold the AC and heater buttons at the same time and then release them and press the heater button until the reset is complete. Usually this will fix most of the problems with the HVAC system in Your SUV.

How do you fix a fan that blows cold air?

To start the troubleshooting process for your heater, try these steps:

1. Let the heater run for 10 minutes and check if hot air is beginning to come out after that time has elapsed.
2. Check the temperature setting on the thermostat.
3. Check or replace the batteries inside the thermostat.

Why is my car not blowing hot or cold air?

If your car is not blowing warm air into the cabin and the coolant level is fine, then you could have an issue with your heater core. If you suspect that something is amiss with your car’s heater core, watch for these signs: Your car using coolant very quickly. The engine overheating.

Why is my Ford Explorer not blowing cold air?

One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. If your Ford Explorer isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening.

Why does my AC blow cold air when I Turn on Max?

But then you switch it to MAX A/C and all of the sudden it blows cold. What gives? Well, if you’re driving a 1995-98 Ford Explorer or Mercury Mountaineer, the fix may be as simple as a bum blend door in the heater box. This only happens with manual heater controls. So if you’ve got auto temp control, ignore this post.

What to do when your car AC blows warm air?

To diagnose this, you have to first remove the glove box the get to the blend door mechanism. Then watch the actuator as you move the temp dial from hot to cold and back. You should see the actuator moving the door. If it doesn’t, either the actuator is dead or the door is jammed. Remove the actuator and try moving the door by hand.

Why is the pollen filter on my Ford Explorer not working?

The pollen filter, also known as the cabin filter or microfilter, is a central component of the ventilation system in your Ford Explorer. A dirty filter causes the overall ventilation of the interior to deteriorate resulting in reduced cooling, heating and air flow.