Open the valve momentarily on the gauge set or hose to blow all air out of the line (this is necessary to keep from introducing air and moisture into your A/C system). Ask Your Own Ford Question. My car has 197000 miles. Check the connection at the compressor and the at the switch under the hood. -Weird thing here. Had the freon level checked. It sound like it coming from the dashboard. It's been quite a while since I've posted, but I have a newer Explorer now, and also a new issue. Metal corrosion, poor installation and other factors can cause refrigerant levels to. Limit switch is at off 100, on 125 off 150. My truck did the same thing, and before I did anything about it, it stopped blowing hot air. Just recently noticed with it getting colder that my heat is not working properly. Year, Model & Trim Level. Its not low on refrigerant. Apr 12, 2009 • 1997 Ford F150 Regular Cab. The front auxiliary A/C control is mounted in the overhead console. Oct 05,. That is not normal, you may need to get the A/C looked at by an authorized dealer. Been hauling a 5th wheel from Texas to Missouri. If your heater is blowing cold air, the fan motor might be working, but the water pump, actuator or heater core could be failing. We use cookies to give you the best possible experience on our website. Posted on May 30, 2010. blowing hot air. FORD AC AIR CONDITIONER DOES NOT WORK BECAUSE OF BAD AC PRESSURE SWITCH. 6 posts · Joined 2018. If it's only cold, you could have a theromstat problem - the engine may not be warming up. family owned,father started buisness and passed away. May 17, 2016. . Last winter the heater stopped blowing hot air & blew cold instead. . 1999 Ford F-350 air conditioner blows cold air then it turns hot. After 30 minutes of driving, it blow warm air but I did not cut off the air and let it blow warm air for another 10 miles of driving then ice cold air came back on itself. 0 AC blows hot air on Regular AC and blows cold Air on Max AC. For my Honda vehicles, I could flip through a copy of the service manual and figure. then it blows cold. heater core cloged, get car hot check heaterhose going into heatercore should be two inch thick hoses going into the heatercore, underhood against firewall pasenger side, after hot while running heater on, chech to see if both hoses r hot, if one is cold,that means there is a restriction in the heatercore, sometimes on older cars there is a external valve run by a. Removed stereo, no kink in temp. Want Answer 0. 97 lincoln town car signature series. The part can be ordered from Direct Ford Parts for $102. We begin to clean the furnace by cleaning hot and cold plenums as well as the blower. When driving down the. The heater blows warm air on driver side but blows cold air on passenger side. 2006 FORD F-350 6. If this is the case, it’s easy to fix on your own. If the clutch engages, the gap is too wide. Moisture In The AC System. I've researched the problem and it revealed that it is a common issue and that the Evap Temp Sensor is freezing over. 1 answer. 2009 - 2014 Ford F150 - AC blows hot air, compressor stays engaged and heat works - I have a 2014 F150 5. A/C will be on blowing ice cold air and then switches to blowing hot air. If it does cycle you are low on freon, take it to a mechanic for a system charge. Buy. However, after 5 - 10 minutes it stops cooling and starts blowing warm air. The heater is blowing cold, then hot, then cold, then hot air intermittently. take the heater hose off from the top of the matrix where it go's into the bulk head and run the engine until all the air is out of the system then put the hose back. Once accelerate back to normal cruise, can feel clutch/compressor shift and blows cold again. Question about 1999 Ford Escort. The truck is too new to have bad vacuum lines, but one may have a kink that is causing a. Many cars are equipped with two radiator fans, while others have one fan that can run at different speeds. Make sure they check for leaks first. blowing cold. 3L has issue with A/C intermittantly blowing cold air. It cycles from hot to cold and back noticeably and without any noise. I have to turn it up so high and even then it. 96 Explorer. 2003 Chevrolet Silverado 1500 134,562 mi,. #1. I had thought I needed a recharge which might be the case of he can't get any cold. I have an issue with my AC. Step 2. A leak is typically caused by a mixture of moisture and refrigerant that, when combined, creates a corrosive acid that eats away at seals, valves, and hoses in the A/C system. 0 with auto climate set at 66 degree, blows real nice cold air. is there relay im over looking or can. > Forum > Tags. This is a great time to replace that 10 year old heater core too. exhaust. Leaking Refrigerant. The 2012 Ford Fusion has 10 problems reported for a/c blowing hot. The AC compressor is located at the very bottom so you may have to check it from underneath. 2004 ford explorer limited. No rhyme or reason why they stop working and then start again. If that didn't work, blend doors may be a problem, but only diagnose after temp head replaced. Normal temp reading on the gauge. Warm up the truck, open the hood and put a hand on each of the heater hoses. This fan should turn on within a. They recommend that i. When the AC stops cooling, tap the face of the compressor clutch with a screwdriver handle. With the vehicle at a complete stop, set the parking brake. If I. Either you are out of coolent or the compressor is not working. Re: Air condition blows cold then hot air. 1. One heck of a job to get to that blend door motor but its done. I bought this last Dec and when the heat was on, the passenger side sometimes blow cold, then hot again. If the stat operates correctly, one will be warm and the. [report] [news] Friday 11th September 2009. I have removed the thermostat completely and the heater is still blowing cold air. AC compressor blows cold for about 20 or 30 minutes and then stops blowing cold. Sometimes the air conditioner will run cold for 30-90 minutes with no problem, other times it stops cooling after 10-15 minutes. Multiple throttle shifts in changing traffic seems to trigger the warm air. 4 to my brother, 125,000 miles, hav'nt used the ac since last summer, ok so the ac only blows hot air ( very hot air ), i can hear the ac clutch clicking and , the compressor seems to be working, because the, line going to duct. This summer the air started blowing warm as often as cold. I'll turn off the AC for about 30 min. That fixed that problem. 2001 FORD F-550 4x4 Crew Cab Cummins project truck. If I turn the A/C off, after another 5 - 10 minutes I am able to turn it on again and I can feel the compressor engage and it cools again. We use cookies to give you the best possible experience on our website. A failed pressure switch can result in your system freezing and failing to blow cool air. 2016 F150 crew cab 4x4 2. I've got the same problem with the temp knob on full HOT the heater blows cold then hot then cold. 63 pounds of pressure it. I am working in Fahrenheit here. If it just won't cool down, then we can move on to the a/c. After my truck warms up and I am running the dual climate at 73 deg F if I turn it to 72 deg F then it blows cold air. The compressor stops running and the lines at the firewall are h. 2011 fusion. The only issue we have is the air conditioning. My 1999 Ford Escort LX temp. Feel the heater hoses when it blows cold air--they should be quite hot when the engine is up to temperature. The only thing I can think of is a heater core or new water pump . 2016 Explorer Sport. When only the front is on, it rarely gets cool enough. The pattern was 15 sec hot then 3 sec cold. " -. Control Assembly. there are few things you need to check out: 1. My ac unit blows cold then a burst of hot air. I didn't flush the system because after running the car for 20 mins on idle I had heat. AC will blow cold, then shift to blowing warm, muggy air, then back to cold. One side hot, other side cold. Sometimes, I can get cool air for up to 30 min. my name is **. The vacuum fluorescent display window will show 888 and all function symbols for one second . Thereafter I began to experience cold air blowing on driver’s side but warm air on passenger side. 3) Check that your cooling fan is moving air. I bled the AC high pressure line. There are cheapo gauges at the auto parts stores that will read roughly the charge. Ford escort zx2 wouldn't go in gear when applying brakes. I can turn the car off and something resets and it will blow cold air again until it switches back to hot. Re: AC A/C working but blowing hot air. Ford Explorer Limited: My air conditioning started blowing. 1 week later my AC has started blowing hot air, it does not matter what I switch it to it blows hot air, my vent, my defrost, my max ac, ac. there are few things you need to check out: 1. The most common causes for AC blowing hot air in Ford Flex are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. 1999 Ford Escort zx2 starts great when cold, takes exactly 3 tries to start when engine warm. Assuming the blend door actuator has failed, but - Answered by a verified Ford Mechanic. 2010 ford fusion ac randomly switches from cold to hot. If the motor is bad a code in the 20's will display, but with a new motor on mine the little display danced circles and the motor then cycled. Very frustrating. 2. 1 answer. It's usually #1 on a 10+ year old truck. AC blowing hot air. I took it into a shop to evacuate and recharge ac to make sure I wasn't low on. Follow the equipment supplier's directions for making the connections. air conditioner. After my truck warms up and I am running the dual climate at 73 deg F if I turn it to 72 deg F then it blows cold air. Ford Year: 2009. I have changed the t-stats and the blend door actuators. few minutes 10. driving down the highway heating system working fine then all of a sudden starts to blow cold air then after awhile blow hot again pls help truck is f-350 2007 temp outside. Less common causes are clogged expansion valve or. Hot then cold then hot. 2011 fusion. the other problem that i have seen is that the door breakes in side the evap box and that means removing the box to replace the door . At idle or normal operation it seems to just blow cold air. answer #2. One month later, we got our car back from the dealer repaired like new. Less common causes are clogged expansion valve or orifice tube. 17 people found this helpful. UK/Ireland Location: Stirlingshire. The far end of this setup from the hot-cold knob is a round wheel (gear) that connects to a shaft that apparently mixes hot and cold air. We can feel the AC compressor cycling. About 15 minutes after driving the diver side vents start blowing straight cold air but the. The sensor is $38 on Ebay for a genuine Ford part. A/C suddenly stopped blowing cold air! I was driving through a residential neighborhood, probably going about 35mph, when suddently the a/c stopped blowing cold air, then it blew hot air for about 3 minutes, then blew cold air, then hot again. #1. (BURP IT) ADD 50/50 Mix and change the radiator. Could. read moreI also have a F-150 - The AC blows cold within 10 seconds and the same on all other cars I have owned. Now to see if your blend door is ok, take a hole saw and drill a hole in the plenum so you can see the blend door as in the picture below. Try turning the AC off, keeping the fan ON and the heat LOW and see if it gets cool (and moist) again, then warm again. The refrigerant is full and it blows completely hot air. check engine light. hi ,this is my first post, so thanks in advance, i just gave my 06 f150 5. we checked the antifreeze. Master. 1999 F-150 4. #1. That is working fine. AC blows hot air and, at random, it intermittently blows cold air. The water pump is typically driven by the accessory drive belt, serpentine belt or timing belt. Check to see if you have a heater control valve in one of the two lines to the heater core. 2011 Ford Escape. I have a 2004 Yukon with 160000 miles and about a year ago the AC would suddenly blow hot air just on the driver's side while the passenger side still blew cold. Question type: Maintenance & Repair. I have changed the t-stats and the blend door actuators. If you let it run on auto mode, it will likely pull outside air.