car ac not cold when driving

This is a component that you dont want to fail. What passes through an AC tends to undergo quite a bit of filtration and as long as there are still diesels out there and gravel and dust AC air is a much cleaner thing for your body.

Is Your Car A C Is Not Blowing Cold Air 8 Causes And Cost To Fix

Blocked Drain Pipe 3.

. Not only will it disable your AC but it will bring you a huge invoice to pay. When you turn on the AC you will not get cold air blowing. The condenser fan performs the important duty of pulling the ambient air into the condenser cooling the flowing refrigerant gas down.

If it turns out that your refrigerant level is low we. Slow Blower Fan Speed 11. About half of this would be labor costs and the remaining is the price of the parts.

Defective Compressor Clutch 5. It is easy enough to check to see if the fans are working or not. If the compressor is not engaging or if it is not pumping enough refrigerant this could also cause the AC only to blow cold when driving.

In fact its one of the most common causes for your car AC to not be as cold as it should be. This is an affordable repair and is normally done with regular maintenance. Youll need to go under the car find the drain tube should be off the firewall on the passenger side made of flimsy rubber and stick a long thin rod up it far enough to dislodge the blockage.

Blocked Expansion ValveOrifice Tube 4. The air is cleaner to breathe. If youve ran the AC recent enough youll probably notice when the blockage is cleared as youll get a flush of water come out of the tube.

The condenser was not dangerously but uncomfortably hot to the touch after the car had been running only a minute or two with the AC on. Besides this the list of causes is pretty. So if your car ac not blowing cold air all the time you may want to take a look at your AC unit hose connection.

So you went for a road trip or a long drive and after 30 minutes of driving realized that your AC suddenly stopped working or switched to blowing warm air. A Corroded Relay 9. A refrigerant leak can occur at any point in the AC system so it is hard to pinpoint the exact location of the leak.

Car Air Conditioner Blows Cold Then Warm 1. At higher speeds airflow takes care of that and the fan is useless. Turn on the AC with the Car Running When car AC not blowing cold air happens try to diagnose this by turning your AC to fresh air Let the air blow out from the vents in the center of your dashboard.

Putting your AC on defrost mode eliminates excess moisture and prevents mold and mildew from building up. Its easy for us to tell if your AC has a leak. One is that your condenser fan s is either not working or is worn out to the point that it cant spin sufficiently fast to bring enough air through the condenser.

Faulty AC Control Switch 10. The humidity in the car goes way down which suppresses smells and mold makes you physically more comfortable. Overheated engine Another common reason for car air conditioner not blowing cold air when idling is an overheated engine.

Some AC-related problems can be dealt with a DIY solution. Another condenser-related issue that can render your car AC not blowing cold air is the failure of the condenser fan. If the coolant level is low or there is a leak in the system this could cause the AC only to blow cold when the car is moving.

Some that come to mind. The high pressure hose is designed to increase and decrease AC pressure during different driving conditions since the AC drive belt will increase in speed as the vehicle accelerates. Let the air run at the highest speed for the fan.

Of course your price will depend on your vehicles make and model and your location. At low speeds the fan pulls air through the radiator and AC condensor and cools things off. Whats wrong with your car.

The cold air returns shortly and the cycle repeats itself for as long as you are driving. Here are some reasons why car AC not blowing cold air when idle. Cabin temp thermometer in cup holder was around 85 degrees.

This process also removes unpleasant odors. It compresses the refrigerant. Broken or Blocked Condenser Overheated Engine Lack of Refrigerants Debris Bad Condenser Fan Faulty Condenser Parts 1.

The average cost for an AC compressor replacement is between 400 and 900 depending on the particular car. 3 Fix the fan. Any failure in the operation of the fan can hamper the process of the.

Just bring the car in and we can run some tests. Broken or Blocked Condenser Car Broken or Blocked Condenser A car air conditioning condenser is a heat exchanger. To do this run the AC on its highest and coolest setting for 10 minutes each week even if youre not using the AC.

If your car AC is not cold enough and your AC needs to be recharged by a professional do not sweat it. Moisture In The AC System 2. That probably explains why everything works well when youre going faster.

When it starts to fail it will show a couple of warning signs. Cold Air Blows Intermittently. There can be two possible reasons why your AC is only blowing cold air at high speeds.

In general it costs between 120 to 150 to have the car AC recharged. If the fan is not turning on it could be a few things. Not so much driving fast but driving non stop for long enough the temp would consistently drop to 48 and below.

Run Your AC on Defrost Mode. Listen for Noises When your AC is turned on listen for noises. One of the most common reasons for a vehicle ac not blowing cold air is a leaking refrigerant.

One of the most common causes of the symptom youre describing is when you have a bad or failing AC high pressure hose. Faulty Car AC Compressor. This is the most important component of a car AC system.

Another cause is that the AC compressor is not working properly. Condenser Fan Failure.

Reasons Why Your Car Ac Is Not Working Ac Not Blowing Air