ac only works when driving slow

I drive a Volvo S40 2006 with 45K miles. This part is responsible for transferring the heat coming.

5 Main Causes Of Ac Only Works When Driving Drivingpress

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. The air conditioning compressor will turn off at the slightest rise of heat due to excessive HEAD PRESSURE - however the engine will not show any signs of overheating. Faulty Condenser Fan The most likely culprit is. And of course you could.

Broken components in the AC system can also cause the AC to only work when youre driving. The freon level is good and system has no leaks. Your AC only working when the car is moving could be due to a lack of enough refrigerant.

Slow Blower Fan Speed. Very simple this happend with me a month agoThe reason behind this is that your ac compressor fan is not working when the car is in motion the air passes through the radiator and keeps it. However the drain is clogged and I could never find where to blow it out.

Here are the possible causes. Low refrigerant levels will cause a lack of AC system pressure when the engine is. The quick way to check the POA setting is to run the AC at idle unplug the blower fan and look at the low side pressure.

You may have a fan malfunctioning. Up to 15 cash back If your air conditioning in not working or working but not up to par there can be a few different things that can cause this. After a minute or so the low side will stabilize at the.

If the fan isnt pulling enough air through the condenser at. When you are traveling above 55 mph enough air may be blowing over the condenser to disperse the heat. The ac needs air constantly flowing across the condenser-this is the thing in front of your radiator that looks like a radiator.

At about 30 minutes into the driving trip only warm. A bad AC control switch that will not make good contacts can also be the reason for the car air conditioner blows cold then warm then cold again. Some of these components may fail which could be the reason why your cars AC only works when driving.

The only time it will turn off when the AC button is depressed and blower fan is on is if the low side pressure drops too low or the high side pressure goes too high. Up to 8 cash back Other possibilities are that the compressor clutch is not cycling as intended or that the condenser might be blocked or dirty. To my knowledge the AC worked fine and had been working fine.

There can be anything from. When your going down the. 2001 ford escape xlt 30 v6 I have an AC machanic.

As mentioned major leaks can cause the AC system to lose refrigerant quickly. If the AC in a car only works when driving it could be due to a problem with the condenser fan. AC only works when driving Im in the camp that believes your fans capacity to pull air through the condenser is questionable the radiator looking part in front of the radiator.

Up to 15 cash back My AC does not work when driving at high speeds but works when I am moving slow or parked. When I take the car out of my garage the AC works beautifully until the car begins to get warm. Since the AC is not working but when I am at.

When running diagnostic on AC system it states that their is voltage to the compressor but the compressor does not turn on.

Car Ac Not Working Here S 5 Ways To Diagnose The Problem