ac only works when driving slow

This is another reason for a car AC not blowing cold when idling. If it is still mildfan doesnt.

Here Is Why Car Ac Not Blowing Cold Air After Recharge

Look for the ac compressorand locate the large ac line coming off the ac compressorFollow it until you come to the ac charge portthis is where you charge it up with a charge hose that you havePut the can on the can tapand the quick connect to the ac port on the acTurn the t handle on the can tap clockwise until all the way downhold the.

. Many cars are equipped with two radiator fans while others have. While youre here were dedicated to your auto repairs needs. Mine was 32 psi stock setup for R12.

Answer 1 of 4. Odds are good that the fan switch may be at fault but a more likely reason is that a blower motor resistor that controls the voltage going. When you are moving the air is flowing through the condenser coils which is what cools the air.

When Im idling with AC on I can hear the AC compressor kicking on for under 3. The fast mode is when both fans are running and you can actially hear them running from outside of the car. The AC on my 2008 20 L turbo now only works when I am driving at speeds of at least 30 MPH.

If this valve fails to go the proper position for refrigerant line temperature it doesnt convert the refrigerant into a gas but instead it remains a liquid and the cooling effect stops. Rev the engine to around 2000rpm for half a minute. It may come back but only when you - Answered by a verified Volvo Mechanic.

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. To find which one. Anytime the AC is on the fans should be running.

External fan doesnt spin. 09-07-2011 1055 AM 5. By the way the POA adjustment if pretty easy and makes a big difference in the AC temp.

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. Next check the fuse in the engine conpartment fuse box. After a minute or so the low side will stabilize at the POA setting.

When running diagnostic on AC system it states that their is voltage to the compressor but the. Up to 8 cash back One of the most common causes of the symptom youre describing is when you have a bad or failing AC high pressure hose. Full larimie heated leather infinity sound system.

Basically the AC high pressure hose. If it is inoperative try to turn the fan by hand with the ignition off the motor may be seized. For the AC to work there has to be a change of state from gas to a liquid in the condenser in front of the radiator To get this change of state there has to be air flow across the condenser.

So I just bought this new to me 03 Ram 2500HD 57L Hemi. Get a thermometer that goes in your vent to see if its hot as you think it is or not from Amazon HERE. Nevada_545 March 27 2011 229am 9.

Plus tax and some other 3 BS. 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. Does anyone know why the AC doesnt work when the car is idle.

Answer 1 of 17. 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. If your car ac pauses the flow of air when idling but turns back on when you begin to move the first place you should turn your eyes is the motor fans.

As soon as you get moving it gets cold again. Your AC Fancondenser is might be broken ie Problem with the spindle sometimes when the spindle is broken on travelling at high speeds the fan is pushed backwardsinwards and this restricts the motion of the fan and it might slow down or stop causing the compressor to heat and causing the AC to shut down. My one issue is the AC doesnt work when the truck is idling.

If that is so and if you have only one electric fan both for condenser and radiator of engine in your car then you can just full rev the engine for 510 min while keeping the car stationary and check if the fan sta. Today when I was driving home from work the car begun to run rough the check engine light came on. When driving at slower speeds or idling the AC blows warm air.

Low on refridgerant and fan speed is high. There are two reasons. Super nice super clean.

Another possible cause is. Your car AC relies heavily on the motor fans to circulate the flow of freon when the car is at rest. Most likely it would be due to AC condenser fan malfunctioning.

I have seen the fuse blow on these due to a high amperage draw from the condenser fan motor. 99 for a fan clutch. Help you Find connect with Local AC Repair Pros.

If your car AC blows cold air when driving at highway speeds but turns warm at stop lights or when driving at slow speeds you may have a bad radiator fan or radiator fan relay. I checked the water pump. When you need work on your air conditioning dont delay your repairs or risk further slowing your accelerationinstead schedule Volkswagen maintenance at Spitzer Volkswagen in Amherst and let our certified service technicians handle the rest.

Bad or Failing Fan Clutch. You need to take it to an AC shop so they can check and see if the expansion valve is working properly. Up to 25 cash back Ac on auto only works when you drive fast.

Pushrod on July 05 2019. Radio come on but cant turn volume up or. No air flow no change of state no or little cooling.

Tuesday July 1st 2014 AT 742 AM. And noticed that the second fan on the radiator never came on although i. So 17500 later the shop says it was the fan clutch.

The AC on my 2008 20 L turbo now only works when I am driving at speeds of at least 30 MPH. The fans have two modes a slow and fast one. Aannesley June 24 2009 951pm 4.

99 of the time this problem is caused by insufficient air flow into the engine bay while vehicle is in slow moving traffic or at stop with engine and a. I brought car to two VW dealerships to have their service department diagnose the problem. Inspect the condenser fan motor.

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. I popped the hood and noticed that when the AC compressor kicks on that it almost stalls the engine. Feel like I was robbed to some degree.

It worked fine for about a year but now it doesnt work when sitting at a stoplight or going slow it only kicks in cold when we are accelerating or driving on the highway. If it blows cold airlow refridgerant. Let Spitzer Volkswagen Help.

36 to use the AC gauges. We just spent 2k to repair the AC after it completely went out. As soon as you slow down the ac goes out.

It could be but there is a much more likely culprit. Driving down the road it works and gets nice and cold. I have a new 2016 Volvo xc70 only 3100 miles.

It probably isnt he compressor.

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