my ac only works when driving

Providing Top-Notch Innovative HVAC Solutions For All Your Commercial HVAC Needs. Ac cold while driving and not at a stop is typically indicative of an air flow problem if everything else is up to snuff.

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The compressor of the AC system moves heat from the radiator to the condenser.

. All pressure of AC Freon is correct -- not low or high. Up to 8 cash back 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. You might also have a low state of refrigerant charge.

Suggest you hook up a AC manifold gauge set and see exactly what the system is doing. Why does my AC stop blowing cold air when I accelerate. Your cars AC condenser keeps your air conditioner cool.

The airflow from driving helps keep the fan working so when your car stops so do the fan and your AC. You need air moving overthrough the condenser whether its from the fan or from driving. Vent doors not operating correctly.

If the high side is only 175 psi and the low side is 30 you do not have enough refrigerant in the system. VOLVO-V70 March 30 2019 128am 11. Fortunately replacing a cabin air filter can be done quickly with only a screwdriver.

The AC on my 2008 20 L turbo now only works when I am driving at speeds of at least 30 MPH. AC Blows Cold Air Only When Driving 30 MPH or Faster. Now that summer is in full-swing I am at the end of my rope.

Ive tried putting it in neutral and revving the engine while waiting to move again but this does not seem to make a difference. June 13 2017 at 136 am 881347. If Freon charge is good and.

Clogged or dirty cabin air filters and fan housing will cause the AC to work harder making it sometimes work while other times it wont. And noticed that the second fan on the radiator never came on although i. Another common reason for car air conditioner not blowing cold air when idling is an overheated engine.

Most cars have two cooling fans one for the condenser and the other for the radiator. The AC blows hard all the time but when you are sitting at idle at a redlight or something it goes from cold to lukewarm. This is especially true when your car is stopped.

It is easy enough to check to see if the fans are working or not. The condenser needs airflow to remove heat from the refrigerant so if there isnt enough airflow the refrigerant wont get cold enough. Jun 24 2007.

Ad High-Quality Commercial AC Unit Repair Services For All Brands System Types. Do not just add some in need to be recovered sucked down to a deep overnight vacuum and recharged with the proper equipment not just a can hooked to a gauge set. As soon as you get moving it gets cold again.

The ac works only when the car is accelerating. According to data by HomeGuide the average cost to replace a home air conditioner compressor is about 600 to 1200 under warranty or 1300 to 2500 when its not under warranty. The cabin air filter is located behind the.

The fan is still blowing when I am at a stoplight or in a drive-thru it just blows hot air. 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. Many HVAC contractors charge 100 to 150 per hour plus the cost of parts to repair a home AC compressor.

There can be two possible reasons why your AC is only blowing cold air at high speeds. There is a noise like knocking or cli. The main reason why your AC may only blow cold air when driving is that the airflow over the condenser coils is insufficient.

If the fans do not come on the circumstance you have described with poor cooling could occur. My AC constantly clicks on and off and only works when driving. Up to 8 cash back To maintain good airflow when the car is in stop and go traffic or is completely stopped condenser fans will come on automatically.

Ian you are 8 years too late and I would hope they have fixed the problem or replaced the vehicle. Its Fast Easy Free. If thats not the issue then your coils on your condenser is stopped up not allowing it to cool the air.

If this fan isnt working your AC wont be able to regulate the temperature inside your car. Help You Find Connect With Local AC Repair Pros. I popped the hood and noticed that when the AC compressor kicks on that it almost stalls the engine.

Basically the AC high pressure hose is kind of like a turbo for your AC - it supplies more pressure when youre idling and less pressure when the AC motor is. Air condition systems only need around 6 lb of pressure to operate.

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