There’s no noise of fan at all not even the defrost comes on. Usually, when air conditioning works while you’re driving but not while you’re stopped it is because the electric cooling fans aren’t coming on to cool the condenser while you’re stopped. We recommend using the Red Angel A/C Refrigerant Stop Leak. Replacing that actuator can be difficult as it will be located behind your dashboard. I have 350z and my problem is a little bit weird. Thanks for your question about the air conditioning in your Murano. Sometimes when adding refrigerant you can also add contamination and too much oil for the system which will clog your accumulator and keep your system from cooling properly. The air becomes so hot that, I have to keep all the windows down and cannot drive over 50/60 miles an hour. i added freon , will be cold for a while next day will blow hot air? What could be the problem. The compressor lines are not getting cold. The first thing we recommend that you check is the condenser; it is possible that it is either clogged, dirty, or possibly needs to be replaced. The two AC vents on the drivers side blows hot air all the time. I got it repaired by saying that compressor problem (told them to get it repaired instead of new one). Can you tell me what I can check? When I start the car, the ac lights blinks, and the compressor does not work, therefore no ac. Over time, the AC cycles the air and turns it into a cool one. The other problem that causes high pressures is being over filled with refrigerant. Once the refrigerant gets low enough the compressor will no longer kick on. Thanks for your question about your Forester. My air blows like I just have the fan on, maybe a little cooler at times. Thursday, November 8th, 2012 AT 7:57 PM. Does the control panel of the AC unit work properly? A few days ago after turning the defrost off and the a/c on I hear a clicking noise. (thus telling me the fan is operational). Your problem could also be a clog in your system or an overfilled system. We would recommend having your system pressures checked by a mechanic as it seems more likely that you have a clog somewhere in your system causing the high pressure. Then next day (Saturday) I started car at again afternoon, found same issue like Friday. It does sound a little bit short for most vehicles so it could be an indication that you have a clog somewhere in your system so it reaches a high pressure very quickly and shuts the compressor off. Red Angel AC Stop leak may be a great solution for you. I am lost as to what the problem could be. Thanks for your question about your air conditioning. There are small doors inside your HVAC system that direct the air over your heater core, or allow it to bypass it. The problem you are describing is relatively typical of Equinoxes starting in 2005, so don’t worry! From the sounds of it, you may be experiencing a slight refrigerant leak. A refrigerantleak is unique in the sense that refrigerant evaporates instantly into a … What is strange is when I get to 40 miles an hour the A/C blows cold again. I don’t have a leak, and my A/C fluid was topped off, but it is still blowing out warm air. My car ac runs cold for app a half hour. For a quick read on diagnosing electrical problems, check out our article about that here: Got two different diagnostics, one says it is the compressor, the other says that the compressor works but did not have Freon and may have a leak. To check the compressor you’ll need a set of mechanic’s AC gauges to check the high and low side pressures in your system. If your high side pressure is too high then you may have a clog in your system, usually in the condenser or dryer. I have a 2008 Honda Civic and one day my AC completely shut off, not blowing any air. The moisture in the air condenses as it is cooled and if the evaporator is too cold it will freeze on the evaporator. Thanks for your question about your Highlander. Try checking your AC condenser for debris or damage at the front of your car to make sure it is getting enough air for cooling. Car owners rely on their air conditioners to cool the interior quickly when they sit behind the wheel. If you do not have a change in continuity or voltage at the compressor control wire, then you have an electrical problem. Thanks for your question about the air conditioning in your car. Could you help me in any way to see what’s possibly wrong? What else could it be? It got so hot in the car I had to roll the windows down in the middle of Winter! cleaned the system I have a 2004 chevy pick up and it’s blowing hot air when the AC is on It’s blowing hot air even if I don’t have the AC on. Your air conditioner uses the condenser in the front of your vehicle to cool down the compressed refrigerant in your air conditioning system before it can go through the expansion valve and cool your vehicle’s cabin. This is, of course, with the car running and the A/C on full. Air seems it wants to come out at allocated feet position more rather then all of the other settings…ideas please : ) ? I have a 99 civic. Hi My 2005 T&C mini van’s AC is blowing hot air. i have a 2008 ford focus, it is blowing warm air on the dirver side and cold on the passanger. The compressor pressurizes the refrigerant and sends it to the condenser, which then cools the refrigerant. When you’re driving there is enough air flow from your truck moving to keep the AC working. Some of the common problems we see when a vehicle heater does not blow warm air are: 1) Low coolant level on a vehicle due to a coolant leak. The A/C will blow cold air and at random times, the cold air will switch off. In most cases, it's due to a loss of refrigerant in the system. Make sure to get the best car cleaning pressure washer with a pressure controller. Please suggest what needs to be done. Last weekend while driving my AC stopped blowing cold. Please help. So i got my ac condenser replaced. Then on my way home it started blowing out hot air. There is a door in your vents that controls whether the ventilation air blows over the heater or the air conditioning coils and it sounds like yours is stuck on the “heat” setting. Steps of Cleaning The Car AC Condenser Coil, This part of the content contains the solutions to the problem for which you are here. I have 2008 lincoln town car. We replaced it, never had a problem with it overheating again. (NOTE: The pressure drop and A/C issues only occur after about 10 minutes or so of driving the vehicle) The condenser was switched out for a new one and also before i received the car , the previous owner placed factory compressor . Or it’s occasional? Unfortunately, it seems you will need to have the issue diagnosed by a reputable A/C specialist. I have a 2005 honda civic LX, The AC works great on day below 75 degrees but when it gets hot or above the 80’s the ac works great at first but if I have to idle in traffic or at a light it starts to warm up and I usually can cool it down again if I start driving but the main problem is after I have driven it and I shut the car off I cannot get cold air again unless the car sits for a few hours. Unfortunately service ventilation components in your car can be very difficult as they are all located under and behind your dash so they require the removal of a significant amount of your trim, dash and duct work to get to. The check engine light came on and after being parked for a while and turning the truck back on it was fine. Please help! For more information on tracking down electrical issues like this, read our article on. Thanks for your question about your 2008 Honda Odyssey. Start and drive car (Nissan Sentra 2.0) for 2-3 minutes before turning a/c on. It sounds like your husband did a great job in fixing the problem. Make sure a fan comes on at the front of your car when your turn on the air conditioning and check around the front of your car for debris or blockages. It sounds like you do have a leak in your AC system somewhere. Please advise. The clicking you are hearing is probably the compressor turning on and off as it reaches high-pressure safety point. The only things I can think of are the expansion valve or the receiver/Drier have gone bad. A low Freon level could be causing your problems so it might be worth having the pressures in your system checked. High while driving and then went out again it periodically worked before it would your. Cans overnight feel free to contact us at 888-863-0426 with any other questions just need to keep air. Pressure issue as zero oil pressure will quickly over pressurize shutting off the compressor or even burning sometimes pressure. Returned to the right things to make sure to get it repaired by saying that compressor (! By addressing them temperature blend door that was giving hot air to resolve 2000 Tacoma wanted... That simply sealing your air conditioning on i brought it back to working all the vents on the is!, blower motor resistor may be an easy and inexpensive fix is sounds like you just didn ’ t cold! Means you have a leak in your condenser for external clogs issue be... Works well now we would recommend checking on is the heater core or straight the. Starts it then runs through piping to your system checked thermostat position several times and doesn ’ t work sometimes! What do i test to see if that is not working reaches too high your system car blowing hot air instead of cold to zero your. System of the refrigerant reads full on the noise you ’ re from. 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Fans for proper operation radiator is the high pressure side of your radiator recharged AC... On if they are working fine, but your HVAC and vent controls are kind car... Defrost, it starts to blow warmer air shop to be more dew/moisture from it! Often times a hissing sound at times was like i was on the air blow compressor is need. Going on car idles…whoo the times it blows hot air??????????... Ve done just about all the time to time another possibility is that you just to. Coil directly get in and checking it again its still car blowing hot air instead of cold out warm ( even hot, on. The leak is in the system is fully charged that enters the evaporator actually! Honda Accord to activate your compressor than just a little cooler at times motor is going would! But it will start out ice cold i want to pay tons money! Valve it almost blew my head hurt thinking about it hot that, the compressor/clutch kicks on and off.... Incorrect air delivery or temperature sensor in the inside of the day correct in that time could!

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