ac only works when driving reddit

Air is coming out its just warm and this has only been happening the. Turned fan up to high and didnt get good air flow but you could hear the air just not feel it nor was temp as cool as I set it.

As soon as you slow down the ac goes out.

. If it is inoperative try to turn the fan by hand with the ignition off the motor may be seized. So my Sonic is showing the overheating alarm on the dashboard if ive been out driving for a while and just recently 2 days I notice that when idle my AC isnt blowing cold air but once I get up to speed the AC works just fine. To check clutch coil remove the clutch coil connector and confirm that the voltage to the coil is 12V when the AC is turned on.

Normally car AC systems are built so that the higher the engine speed RPM the faster the AC compressor turns. Tuesday July 1st 2014 AT 742 AM. If good then check the resistance of the coil itself.

VW technicians with whom I spoke do not know why the system works while driving at 30 MPH or faster yet blows warm air at slower speeds. Took a trip the other day 2 hrs and noticed about half way there that AC wasnt cooling well. Not until the car is driving at least 30 MPH will the air begin to get cold.

The engine will be at lower RPMs than when driving so theres a possibility the compressor may not work at full efficiency but a properly tuned up car will be OK. Feel like I was robbed to some degree. Next check the fuse in the engine conpartment fuse box.

So more power applied to the engine means more power applied to the compressor which. Answer 1 of 8. Your air conditioner may be working but not at its intended power efficiency.

IF the car is parked and the engine is running then yes the airconditioning should work. Well if youre driving a 1995-98 Ford Explorer or Mercury Mountaineer the fix may be as simple as a bum blend door in the heater box. So I have a 2009 Honda Civic and the air only works when Im driving fast.

Once the recharging kit is connected start the engine and raise the idle speed to 2000 RPMs and turn the AC on. Answer 1 of 12. Ive just been riding with my windows down but this week it hit 90 outside and I cant take the.

Up to 15 cash back Ac on auto only works when you drive fast. Pushrod on July 05 2019. Air Conditioning Symptoms and Repair AC blows warm air except in MAX mode Ford.

If AC operation returns to normal youre not dumping enough heat off of the condenser. This only happens with manual heater controls. Inspect the condenser fan motor.

2 cause of AC blows warm at idle. Your AC system is low on refrigerant. In the case of a car the heat is transferred from a heat exchanger in the passenger compartment to a heat exchanger in the engine compartment.

2013 Chevy Sonic Overheating and AC only works when accelerating. 99 for a fan clutch. So 17500 later the shop says it was the fan clutch.

To maintain good airflow when the car is in stop and go traffic or is completely stopped condenser fans will come on automatically. If the system is low on refrigerant it will show up as AC blows warm at idle and blows colder when the engine is running at higher RPMs. 85-90 degree day outside.

36 to use the AC gauges. 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. Only things done to it are the bed tool box American flags out the back and a cat-back dual exhaust system with a.

George_San_Jose1 October 2 2015 526am 9. Aannesley June 24 2009 951pm 4. 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.

Took this down to my local NAPA Auto store and. When Ive been driving for a while itll remain cold but as soon as I stop at a red light the air heats right up again. The freon level is good and system has no leaks.

Nevada_545 March 27 2011 229am 9. It may come back but only when you - Answered by a verified Volvo Mechanic. A car in poor condition m.

AC works fine to and from work 25 min drive. It still blows cold air but it isnt enough to fill up the car and it is taking about 30 mins to get cold. Before you dish out the on a new compressor check for a bad compressor clutch coil or leak in system low refrigerant.

My 1999 Dodge Dakota Sport 4x4 that I picked up last May. There is no noticeable sound or vibration or other indication. So if youve got auto temp control ignore this post.

I drive a 2015 Nissan Altima and for the past week my ac hasnt been working like usual during the day. 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. Since the AC compressor is driven by the engine it doesnt pump as much refrigerant when youre at a stop or driving slowly.

Now add refrigerant to the system until the temperature out of the vents is constant and the gauge stays in the green zone under all. It would be ideal if there was a large fan blowing on the condenser at the front of the vehicle. I have a new 2016 Volvo xc70 only 3100 miles.

And that heat has to be released to the ambient. VW suggests replace compressor expansion valve drier and condensor at cost of 2225 but made no guarantee that problem will be fixed. Plus tax and some other 3 BS.

Up to 8 cash back When your car is moving say at 45 MPH there is lots of air flow over the condenser the condenser is the heat exchanger in front of the radiator and that airflow is essential to proper ac system operation. Temp on engine was normal. You need to take it to an AC shop so they can check and see if the expansion valve is working properly.

Press J to jump to the feed. AC systems work not by cooling something directly but by transferring heat from one place to another. When the car is on and idling the AC blows warm regardless of it being set to cold.

Today when I was driving home from work the car begun to run rough the check engine light came on. Car AC only works at night.

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