silverado ac only works when driving

It looks normal nothing broken or weird about it. Either your coolant has gotten really low easy enough to check or you heater core is starting to plug up.

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The relay does not engage.

. My 2005 chevy avalanche only blows cold air until i drive then when I stop cold air Agian. Up to 8 cash back My ac hasnt worked for over a year Now. The AC is now cold but only when the car is sitting idle.

I dont really hear the fan clutch engage when its only around 90 or so. The cold air returns shortly and the cycle repeats itself for as long as you are driving. Have a 2004 LLY.

When driving it blows warm. If the car is standing still on the parking lot heater blows cold air. The other day my ac stopped working while the truck was just sitting there idling away and would not turn back on either.

To maintain airflow when the car is in stop and go traffic or is completely stopped condenser fans will come on automatically. When driving highway speeds it seems to never quit. The other item is the air inlet actuator it controls the door for re-circulation or exterior air pic2.

You have dual zones that are controlled by temperature actuators the passenger side has lost its memory or has gone bad you can put it in self programming by disconnecting the battery for ten minutes then hook it back up start the truck turn the temperature control on but do not. Car air conditioner not blowing cold air when idling is a pretty common issue related to your vehicles AC unit. So I jumped 87 to 30 connector and the compressor engaged.

So I started checking the electrical. 1998 Honda CRV Replaced the AC. Discussion Starter 1 Aug 5 2014.

The only other items on top of the HVAC case are the temperature control for the passenger side pic1. 2004 Chevy Silverado 53L Z-71 46000 mi. Read on to learn the most common reasons as well as how to fix the problem in each case.

AC Works only when engine is revving high - MaintenanceRepairs - Car Talk Community. The temperature control actuator for the drivers side is on the bottom of. If i dont turn it off it doesnt start cooling again at least not within 15.

Now unless I have it only on a low setting and driving at 45mph is the only time it BARLEY blows out cold air. Then when I stop and go on local roads I can hear that peculiar whirling noise of the fanengine when stepping on the gas. If i am revving the engine from 1000 to 2000 and back or accelerating the heater starts working.

The factory vacuum check valve is very hard to get to. It doesnt blow heat just becomes ambient musty and damp on both the passenger and drivers side. Basically the ac stops cooling after a while sometimes 30 mins to an hour.

I jumped the compressor to the battery engaged the compressor and the low went to 30 and high went to 150. With the automatic dual cligment control unit. 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 i bypassed it. 2004 Chevy Silverado AC is blowing warm air on passenger side. Up to 8 cash back When the car is moving versus stopped there is more air flow over the condenser the heat exchanger in front of the radiator and that airflow is essential to system operation.

When I hook up the gauges low was 95 and high was 75. My 2007 Chevy Equinoxs air conditioner only works when on inside air. There are many reasons why you might find the AC only works when driving but doesnt blow cold air during idle.

Sorry cant be much more help than that. 1 Theres a TSB 06-01-38-003 out there for an over travel condition on the blend door actuators. I have a 2000 GMC Sierra 53L V8 with 200K miles and the air just started to act up.

Then if I shut it down and try to turn the fan there is noticeable resistance to turning. 1998 Honda CRV Replaced the AC compressor. Wifes AC on 06 Corolla was not blowing cold enough air so I bought AC Pro recharge kit and refilled the system.

When put on outside air it blows warm air. I can switch the sytem off keep driving for 5 mins switch it on and it will cool nicely. If I stop and turn off the engine it starts working again.

Causes seem to vary While there are a variety of reasons your Nissan Rogue air conditioning wont work the most common 3 are a refrigerant leak an electrical climate control issue or a problem with the air conditioning compressor. When driving heating works-ish. AC is cold only when the engine is revving above certain rpm.

One of two things has happened. The dual-zone electronic control seems to be working properly. I went to drive it later that night and it worked just fine nice.

I brought it in to get serviced and I was told that my wires were melted and thats why it stopped working so I had them replaced and after the ac was Back to normal for 2 weeks. Owners of the Nissan Rogue have complained of frequent and unrepaired air-conditioning problems. When I start out in the morning it works fine but once I start and stop at lights etc it quits working.

I checked the water pump. If you get into the vehicle turn the key on without starting the engine while the AC is on and notice a ticking or clicking sound for the next few mins thats likely your blend door on the drivers side hunting for the spot it should be in. 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 2014 Chevrolet Silverado has many drivers hot under the collar because of continual problems with the trucks air conditioning. There are multiple forums dedicated to the same issue. But if the AC works on that side then it should be working.

The car is heating only when i am accelerating. 2 months ago the AC became intermittent very cold air when working then progressively the times it worked tapered off and now the AC does not work other than to blow hot air. After installing a new blower fan motor the ac would only come out the defrost vents.

It still blows air its just hot atmospheric air.

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