air conditioner only works when driving
Anytime the AC is on the fans should be running. AC is cold only when the engine is revving above certain rpm.
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The ac works only when the car is accelerating.
. Cold Air Blows Intermittently. Jun 24 2007. 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.
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. There is a good chance your AC compressor clutch. Performance open the hood at idle and verify that the radiator fan is running and if it is will it firmly pull a sheet of paper to the front of the condenser.
When I get to a stoplight it gets cold again. It remains cold when idling until I accelerate at which time it gets warm within a few minutes. 1998 Honda CRV Replaced the AC.
When you are moving the air is flowing through the condenser coils which is what cools the air. If higher vehicle speed improves AC. In the mornings while driving to work it blows cold air since its maybe 78 outside but once I get off work its 100F and it wont blow cold air.
Why Does My AC Only Work When The Car Is Moving. 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 ac on. If the high side is only 175 psi and the low side is 30 you do not have enough refrigerant in the system.
A malfunctioning vacuum-operated blend door will move in one direction when theres high vacuum idling and in the other direction at low vacuum driving which would result in exactly the situation you describe. This door directs incoming air through either the AC evaporator or the heater core or a blend depending on the desired temperature. I have a 2007 Honda Pilot and recently the air conditioner AC began switching between cold and warm even when the controls are set to full cold.
When driving for a few minutes it turns to warm. 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. Whats wrong with your car.
The cold air returns shortly and the cycle repeats itself for as long as you are driving. The fast mode is when both fans are running and you can actially hear them running from outside of the car. If the AC in a car only works when driving it could be due to a problem with the.
Does your AC work fine when you first start the car but then fail after a while especially on hotter days. In order for ANY AC. System to provide cool air out the vents it must be abl.
The fan is still blowing when I am at a stoplight or in a drive-thru it just blows hot air. AC Blows Cold Air Only When Driving 30 MPH or Faster. Ive tried putting it in neutral and revving the engine while waiting to move again but this does not seem to make a difference.
The clutch of the compressor is needed to engage the compressor itself. I need help finding why my cars air conditioning 2011 Ford Mustang v6 is only blowing cold air at idling and not while driving on the highway when its 100F here in Nashville. The fans have two modes a slow and fast one.
Answer 1 of 17. 1998 Honda CRV Replaced the AC compressor. 4 Causes Fixes 1.
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. When at a stop the air is warmbut if I put it into neutral and rev the engine to lets say 2000 rpm AC ge. 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.
The AC on my 2008 20 L turbo now only works when I am driving at speeds of at least 30 MPH. AC Works only when engine is revving high - MaintenanceRepairs - Car Talk Community.
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