silverado ac only works when driving

George_San_Jose1 October 2 2015 526am 9. It still blows air its just hot atmospheric air.

A Bunch Of Hot Air The Ac In Gmc And Chevy Trucks Simply Does Not Work Consumer Class Lawyers Blog August 1 2017

2004 Chevy Silverado 53L Z-71 46000 mi.

. Another common reason for car air conditioner not blowing cold air when idling is an overheated engine. I have an odd issue with the AC and was hoping an expert can shed some light on the problem. When driving highway speeds it seems to never quit.

It would be ideal if there was a large fan blowing on. With the automatic dual cligment control unit. I have a 2000 GMC Sierra 53L V8 with 200K miles and the air just started to act up.

Hi Guys I have a 2001 Chevy Tahoe with the 53L engine. When I hook up the gauges low was 95 and high was 75. With defroster on ac comp kicks on and comes out through top defrost vents good aand cold.

I dont really hear the. To get this resolved the best thing to do is request an air conditioning system inspection. To maintain airflow when the car is in stop and go traffic or is completely stopped condenser fans will come on automatically.

It doesnt blow heat just becomes ambient musty and damp on both the passenger and drivers side. Take off down the road and the ac compressor quits again. In Queens Village NY on June 21 2018.

Please contact our technical support line at 888-863-0426 so that we can get a little better understanding of the vehicles condition and be able to make any appropriate recommendations. AC Works only when engine is revving high - MaintenanceRepairs - Car Talk Community. In order for ANY AC.

Only show this user. If i dont turn it off it doesnt start cooling again at least not within 15. But seems to shut off sometimes when idling.

If a test has been completed the system status will be reported ready An uncompleted test will be reported not ready An OBDII vehicle will not pass the annual inspection unless the required monitors are. Even if a system is just slightly low on refrigerant it would also cause the system to start blowing warmhot air. I went to drive it later that night and it.

I jumped the compressor to the battery engaged the compressor and the low went to 30 and high went to 150. The 2020 Chevrolet Silverado 1500. If the fans dont come on the circumstance you have could occur.

I turn the truck off when the ac goes out then turn the truck back on and the ac works again. Suggest you hook up a AC manifold gauge set and see exactly what the system is doing. 04 May 2017 0555.

If you want to try to fix this yourself go purchase a DYI AC recharge kit. I dont really hear the fan clutch engage when its only around 90 or so. Answer 1 of 17.

Basically the ac stops cooling after a while sometimes 30 mins to an hour. Once the recharging kit is connected start the engine and raise the idle speed to 2000 RPMs and turn the AC on. 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.

If I stop and turn off the engine it starts working again. When the truck is driving the AC is ice cold. Sorry cant be much more help than that.

However when I am idling for a couple of minutes the AC will start to blow warmer air. It has proper resistance. So I started checking the electrical.

Drive it for work or fun. Most cars have two cooling fans one for the condenser and the other for the radiator. Other possibilities are that the compressor clutch is not cycling as intended or that the.

Stop and restart the truck and the ac works fine as long as its idling. New control unit in dash. June 13 2017 at 136 am 881347.

You may have a fan malfunctioning. System to provide cool air out the vents it must be abl. Ac works fine while driving.

You might also have a low state of refrigerant charge. The relay does not engage. Discussion Starter 1 Aug 5 2014.

Up to 8 cash back To maintain airflow when the car is in stop and go traffic or is completely stopped condenser fans will come on automatically. AC systems work not by cooling something directly but by transferring heat from one place to another. Then if I shut it down and try to turn the fan there is noticeable resistance to turning.

Not coming from any place not arriving any place. The ac needs air constantly flowing across the condenser-this is the thing in front of your radiator that looks like a radiator. So I jumped 87 to 30 connector and the compressor engaged.

2005 Silverado ac compressor kicks off while driving down the road. The other day my ac stopped working while the truck was just sitting there idling away and would not turn back on either. Only for another 20 minutes again.

Vent doors not operating correctly. I can switch the sytem off keep driving for 5 mins switch it on and it will cool nicely. 2004 Chevy Silverado AC is blowing warm air on passenger side.

You think only about driving. But if the AC works on that side then it should be working. And that heat has to be released to the ambient.

The AC does work only when the relay is jumped using a jumper wire. To maintain good airflow when the car is in stop and go traffic or is completely stopped condenser fans will come on automatically. 1 Theres a TSB 06-01-38-003 out there for an over travel condition on the blend door actuators.

Works only when defrost is swithd on if defroster is off ac stops. Have a 2004 LLY. When your going down the road airflow is no problem.

Then when I stop and go on local roads I can hear that peculiar whirling noise of the fanengine when stepping on the gas. 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. 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.

When I start out in the morning it works fine but once I start and stop at lights etc it quits working. The compressor of the AC system moves heat from the radiator to the condenser. The readiness monitors identify whether the vehicles computer has completed the required tests while the vehicle is being driven.

Silverado ac only works when driving Monday April 18 2022 Edit. No air conditioning but the fuses and relay to the compressor seem to be OK. 2002 Nissan Maxima when ac is on max compressor is off with no defroster on blows through vents warm.

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.

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