Many cars are equipped with two radiator fans, while others have one fan that can run at different speeds. You would need a ac gauge set to measure pressures. Why is My Car’s Air Conditioner Making a Clicking Noise? If it stops working, your engine could overheat and be damaged. The relay board provides voltage to many components of the air conditioner, including the fan motor. Blower still does not work. Solution: Turn off your A/C and check to see your outdoor unit to see if anything is blocking the fan.Remove any objects that obstruct the fan blades. The relay board provides voltage to many components of the air conditioner, including the fan motor. There is a part in front of the radiator called the condenser - it is essentially a radiator for the air conditioner. I had to remove the cooling fan in my outside condenser unit for my home AC system as it seized up after several years (not uncommon). Drove down and back from Destin, about 7 hours each way. I have a 2007 Huyndia Tuson. Took It To A Mechanic And He Stated Its Not Working Bc The Rear Air Conditioning Condenser Has A Leak. Well, the most common reasons are moisture in the distributor cap, a … With a ac gauge set. No matter how many times (or position) the fan speed knob is moved, the front blower motor fails to respond. Intermittent cooling is often caused by the components of your vehicle’s AC system freezing up. I been having problems with my car's air conditioning. I am having this problem with my blower fan. There may be numerous issues causing the icing—from a dirty cabin air filter to a blocked evaporator drain or an overcharged system. To compare what the gauges are reading. Lights will typically dim, and the engine may die. Double-check the thermostat and make sure the fan is not set to ON, and that it still runs when switching it to AUTO or OFF (if your thermostat has an OFF setting). When the ac is inop you will need to measure the high and low pressure readings on the ac system. My AC stops working after using it for approximately 15 minutes. An evaporator covered in ice can’t cool the air, so you would have to wait until the ice melts, which is why the cold air eventually returns. Before we begin, it’s important to have a good understanding of the air conditioning system. We can diagnose your air conditioner’s problem, get it running, and make sure it’s doing a good job of cooling your home. ...because it takes one hour for the problem to show up while I'm driving After removing the blower, you may find that the squirrel cage is clogged with so much debris that the motor can't operate. 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. I … I would drive for 10-12 mins when it sould come on. Ac isn't always the easiest diyer repair and diagnoses. Air Conditioner Turns On and Off Right Away. It allows you to circulate air and feel cooler when the temperatures rise, and you can often save money on your electricity bills when you use your fan instead of turning on your air conditioner on warm (but not yet stifling) days. Fuses and fusible links Look for puddles of water under your car—this could be a sign of a freezing problem. Your car’s cooling fan, or radiator fan, plays an important job in keeping your engine cool. An AC system may turn on and off repeatedly due to dirty, broken, or failing parts or for various other mechanical or electrical reasons. Maybe you hit it. The ac/heat worked great until a couple days ago. 9. Rotated all the unmarked relays around in the junction box. Maybe you’re early for work and don’t want to head into the office just yet. With a ac gauge set. Refrigerant can leak for many reasons, including undone welds, loose connections, corrosion, physical damage from road debris, etc. Battery: Provides power necessary to start the vehicle, and powers accessories when the engine is off. Updated 7:05pm Eastern on 8/7/07 While this is not a good fix you might have someone that does electrical work rig up a power cord to the blower motor (If the motor is good) and plug it in. Call us at 702-723-4704 or fill out the form to your right and speak with an AC … How would I test that. Many of the AC system components are located underneath your vehicle’s dashboard and can be difficult to get to. A condenser has coils and a fan to push the air through the coils and thus cool the refrigerant. Yet another cause of AC blows cold then warm. E:, ©2020 General Automotive Servicecenter, All Rights Reserved. sometimes it takes seconds to restart or even a minute. Using a spray bottle with water and soap, spray all of the lines, fittings and the compressor while looking for bubbles. OK. 1. If either one of these components fails to do their job, it may result an entire system failure. 2. I have a 2006 Mazda 3 hatchback 2.3 grand touring model. it suddenly stops and starts many times. At our Maryland auto repair shop, we help many customers with AC problems in summer. Blower still does not work. Now it doesn't come on at all the blower and ac. If you turn on your AC on one day and nothing happens, you may be dealing with a major component failure. Ac … One thing you might try when the A/C quits working is to first make sure the compressor is turning. When the AC in a car is not working, driving can be an unpleasant experience. What’s wrong with your car? Gaithersburg, MD 20879 my 2007 lincoln navigator air conditioner will shut down compressor while driving--fan still blows. The cold air returns shortly, and the cycle repeats itself for as long as you are driving. If all is OK, check your air filter. It required PCM reprogramming. Many cars are equipped with two radiator fans, while others have one fan that can run at different speeds. I have a 2000 Honda civic ex. So after the car rests for a while, we get normal air flow and cool. ... What causes a car to stall while accelerating? Maybe you’re waiting for your spouse to get done in the convenience store. I have a 2000 Honda civic ex. It is ok for the engine cooling fan to keep running for a few minutes after turning off the car. One thing you might try when the A/C quits working is to first make sure the compressor is turning. So, when the car AC is not working properly; everyone from the driver to the passengers and even the pet … Checked continuity of 40 amp blower fuse; it's okay. The air conditioner won’t run properly unless your engine is running. we bought the kit and guage and filled it. If it is, take a large fan and direct the air flow through the grill into the radiator. I had to get a jump to get it to run again. Over time, this can cause your car to start emitting only hot air. Then all of a sudden it started blowing full blast, while the recirc, ac, rear defrost button lights all came on and were flashing...then it all turned off.... - 1996-2000 Honda Civic We will test the pressure and use special dyes to pinpoint the leak. even shows the fan speed. The ac/heat worked great until a couple days ago. The ac was blowing well on all air speeds. Then you notice the engine cooling fan is still running even though the car is turned off. Air Conditioning and Cooling Systems - Condenser fan starts up then slows and stops - Hello all! Solution: Set the heater to its maximum setting, remove the coolant tank cap and fill it to the proper level. Failed Blower Motor - The blower motor is the heart of the blower and, as one ... What Causes a Car to Stall While Accelerating. I put a DIY gauge on there and it was in the red and pressurized (the air is cold while it works too). The Condenser is Broken. Now back home, and A/C seems to work just fine going on short errands. Two things could be going on here low on ac charge causing the low suction side pressure to go lower then usual causing the ac evap core in the dash to freeze up. However, they work together as a team. If your car AC blows cold air when driving at highway speeds but turns warm at stop lights or when driving at slow speeds, you may have a bad radiator fan or radiator fan relay. P: (301) 926-4600 If your plug keeps falling out, you may want to replace the receptacle for a nice, tight fit. During summer the a/c works but after a certain period of driving the fan starts blowing at full rate into the passenger footwell and hardly any air comes from the vents anymore. When your car A/C blows cold then warm, head to your nearest Firestone Complete Auto Care. The condenser fan is towards the front of the grill with the ac is in and working see if the fan comes on or on and off cycles?You will be able to hear it. Regarding checking the pressure, does that mean I need to recreate by driving this thing an hour? I just had my mechanic looking at it and sure enough we were standing there, compressor was coming on and off like it should and then just stopped. What causes the noise: Let’s look at 2 different clicking noise scenarios:.