silverado ac only works when driving
2004 Chevy Silverado 53L Z-71 46000 mi. To get this resolved the best thing to do is request an air conditioning system inspection.
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Check the owners manual of your vehicle or the fuse box cover to find the exact location of the AC fuses.
. Other possibilities are that the compressor clutch is not cycling as intended or that the condenser might be blocked or dirty. Now it will only work for five minutes when the truck is first started. The AC system has two pressure switches to protect the compressor from damage---a low press.
When it heats up during the day it will run for a while and then the compressor kicks off. If you get a pressure gauge by Duracool from Wal-Mart you can check if pressure is somewhere between 25-38psi is perfect and no more than 45 psi. If the fuse is blown replace it with a new one with the specified amp rating.
Up to 8 cash back You might also have a low state of refrigerant charge. Switch cuts off the compressor when there is not enough refrigerant in the system the high switch cuts off when pressures get so high they could blow out the seals. For the condenser all you have to do is pull the bumper filler the black thing held on by 7 push pins at the top of your radiator and look at the front and rear of the condenser.
When this problem first started the ac would work for a few minutes when the truck was first started if I turned the ac off for ten minutes or so then back on it would work for a few minutes and then start blowing ambient air again. Advent OGM1 Navigation Husky Liners GearBox Underseat Storage EGR Rail Caps KN Air Filter Flowsound 40 Muffler Hypertech Max Energy Tune only top end limiter removed and AFM disabled Chrome Tailgate Handle Cover TonnoPro HF-155 Tonneau Cover WeatherTech Front and Rear Splash Guards. The dual-zone electronic control seems to be working properly.
1 Theres a TSB 06-01-38-003 out there for an over travel condition on the blend door actuators. The AC does work only when the relay is jumped using a jumper wire. It has proper resistance.
The temperature control actuator for the drivers side is on the bottom of. 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. I purchased this truck about a week ago.
It is possible your AC system may have a slow leak or even be overcharged. The low pressure switch is not getting power to it at all unless the relay is jumped. But if the AC works on that side then it should be working.
There are several causes for AC only blowing hot air in. And of course you could have a combination of these issues. The AC system will not operate if it senses pressures too low or high.
Other possibilities are that the compressor clutch is not cycling as intended or that the condenser might be blocked or dirty. The temperature control actuator for the drivers side is on the bottom of. If I turn off the AC in the truck for about 3-5 minutes it will work again for a while when I turn it back on.
If you want to try to fix this yourself go purchase a DYI AC recharge kit. It would be ideal if there was a large fan blowing on. The AC is now cold but only when the car is sitting idle.
I swapped relays with one like it in the fuse box under hood. 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 touch any other controls let it go thru the self programming for about 6 to 7 minutes then select your. And of course you could have a combination of these issues.
Bad climate control unit. We added a can of freon tightened the Schrader valve etc. Wifes AC on 06 Corolla was not blowing cold enough air so I bought AC Pro recharge kit and refilled the system.
Mine is doing something weird now after I had the system completely removed of all the old freon and oil then check both the low and high side pressure switches it still wouldnt work so I just called the stealership and asked them to see if they could get me in and while I was waiting on them to call back with appointment time the weather changed and cooled down. When driving it blows warm. Used gauges with my mechanic.
Check all the relevant fuses and relays related to the air-conditioning system in your Silverado 1500. The only other items on top of the HVAC case are the temperature control for the passenger side pic1. Once the recharging kit is connected start the engine and raise the idle speed to 2000 RPMs and turn the AC on.
Id say check your fan clutch or for a bunch of junk blocking airflow through your condenser. When it is cold in the morning it works fine. 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.
To get the ac issue resolved the best thing to do is request an air conditioning system inspection. I tested relay for AC. It could be that there was more than one leak and the dealer found only one.
The other item is the air inlet actuator it controls the door for re-circulation or exterior air pic2. 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. Up to 8 cash back You might also have a low state of refrigerant charge.
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