2011 F250 Ac Pressure Switch Location

2011 F250 Ac Pressure Switch LocationSearch our catalogue to buy【 FORD FIGO AC Pressure Switch 】parts online you need. AC presure switch problem?. AC BLOWS HOT FIXIf you have Ford and your ac is not working, in other words the ac a. 2001 F250 AC low pressure switch - 1999 Ford F250 Regular Cab. Posted by Anonymous on Jul 11, 2012. Quote: Originally Posted by jr88210. Quote: Originally Posted by jr88210. I used my circuit tester and there is no power going to this switch. Nope just want location of sensor. ac pressure are around 25/30psi on low side and 260psi on the high side. Air Conditioning Fill - Safely add refrigerant to your A/C system 5. #howto #easyway #fix #diy #shorts #viral #trending #newvideo Ford F150 A/C Relay And pressure Switch (Sensor) LocationFord F150 AC Relay, Fuse & Pressure Sw. SOURCE: AC low pressure switch, on 2002 ford F250, this is a switch that remains closed as long as there is enough refrigerant pressure to keep it closed. Just want location of sensor - Answered by a verified Ford Mechanic. AC high side and low side pressures. Jump the low pressure switch only to test the circuit Low AC pressure will prevent the relay from sending power to the AC compressor clutch. 4 where is the ac relay switch located doesn't show in the owners manual 99 F250 5. I've had an issue with the a/c in my truck. 2003 F-250 XLT Crew Cab 7. Just want location of sensor - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience. Leave the other two wires disconnected. On this vehicle you have a combined sensor, so this sensor tells the ECM the pressure and then the ECM determines if it is high or low. 2011-16 Ford f series ac fix bad evaporator temperature sensor instead of pulling out the dash which is about 10 hours book time to actually replace the sen. You will find the low pressure AC switch on the low pressure side (smaller pipe) and the other on the high pressure side (large pipe). With Rectangle Connector Shape. Don't have the equipment to check, no problem, here's a quicky vid on how to check for low refrigerant in your truck or car. after about 30 or 40 minutes the car starts right up and runs perfect. I've checked the pressure on the low side, the compressor kicks on when it reaches about 43psi, it runs for a second then immediately drops to below 25psi and kicks off. I know that the relief valves can blow if not enough air flow over the condenser. Ford Escape AC wiring diagram. it can be jumped no problem,don't run the compresser too long or damage will result. Also, since there is no accumulator in between the compressor and the low side port. Location of the recharge port for the AC on a Ford F350 6. I then checked the high pressure switch on the compressor which engages the clutch. The low pressure side switch is located before the AC compressor, while the high pressure switch comes after the compressor. On top of low prices, Advance Auto Parts offers 4 different trusted brands of A/ C High Pressure Side Switch products for the 2008 Ford F-250 Super Duty. Step 3: Remove the switch. You will find the low pressure AC switch on the low pressure side (smaller pipe) and the other on the high pressure side (large pipe). FORD AC AIR CONDITIONER DOES NOT WORK BECAUSE OF. FORD AC AIR CONDITIONER DOES NOT WORK BECAUSE OF BAD AC. Compressor clutch receives ground at left front corner of engine compartment 13. How to TEST and REPLACE AC Clutch Cycling/Low Pressure Switch. Some parts are on backorder and cannot be fulfilled, if time is of the essence please call to verify availability before ordering. The pressure switch screws onto the sharder valve. Please see the attached info on this switch. 4 where is the ac relay switch located doesn't show in the owners manual 99 F250 5. Low pressure switch has power in and out And the high pressure switch has power on 3 wires but. I have a 2011 F250 Lariat dual temp control and all that jazz, leather ac/heat seats. Whatever this sensor is, you can locate it in the engine bay area. 3L, Chrome BigTex Grille Guard, Quad pillar - 3 ISSPRO gauges (trans, pyro, boost) and DP-Tuner F6; Roush fuel pressure / temperature / oil. Closed Throttle Position Switch. Glenn has it right on the switch. 10A: 36: Fuel tank select switch. Automotive Mechanic 25 years of experience The air conditioning system on your vehicle uses a pressure transducer (switch) that is mounted in the lines, near the condenser. How to Add Refrigerant to a 2008. After repairs, make sure and do a good inspection. The average cost for a Ford F-250 air conditioning refrigerant pressure switch replacement is between $94 and $109. Step 3: Reinstall the negative battery cable. Ac low pressure sensor p0532. Locate the high pressure reset switch which is located within the air outlet section at the condenser side of the system. 04 pressure switch locations. The low-pressure port is typically on the ~3/8" shiny aluminum line that runs between the firewall and the AC compressor. Have the installer test the pressure in the system if over 55 psi the switch is bad, if under 55 then check for leaks and recharge. Joined Jan 12, 2011 In Attached Ford AC parts diagram below , iggie the yellow . Most newer a/c systems have an evaporator temp sensor that reads the temp in. Where is Low Pressure Switch?. 4 where is the ac - Ford F-250 question Oct 30, 2012 • Cadillac Cars & Trucks. The air conditioning system in your Ford F-250 Super Duty is under so much pressure that it comes with a built-in fail-safe technology that prevents catastrophe. Start with locating the sensor as in some cars it can be an AC high pressure switch function, and in some, a low one. Today’s and tonight’s Kincardine, Ontario weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather. To replace the AC pressure switch, you have to remove the refrigerant in the system. Joined Jan 2, 2011. Loose the switch with a socket or wrench, then unscrew it. 99 F250 5. I have a 2011 ford f350 that is having AC issues, the. The AC pressure switches are located on the AC pipes on both sides of the AC compressor. A/C Refrigerant Pressure Sensor. I am now starting to narrow things down to a few things. forthehalibut Registered Joined May 2, 2009 1,340 Posts. Please see the wiring diagram as well to jump the compressor and see if the A/C works and pressures respond properly if the compressor does not come on. never recorded my vent temps, keep meaning too but always forget. Ford F-250 2011, HVAC System Switch by Four Seasons®. I tried to search before posting and there is nothing on this anywhere on the web or here that I can find. Loose the switch with a socket or wrench, then unscrew it. Do exactly the opposite of what you did before. Could someone pleas post a picture of its location. It has different roles: It monitors the loop's high pressure; It detects a too low . At a lost of refrigerant the switch will open. Replace Cap - Replace the low pressure port cap 6. The air conditioning refrigerant pressure switch is a safety component of the AC system that senses when the pressure in the system is either too high or too . Fastest delivery by: Wed Oct 19. There are two different functions depending on the pressure - ramping up fan speed, and cutting off the A/C compressor. Remember this low pressure switch is there for a reason. 10A: 18: Keypad illumination, Passive anti-theft indicator Select shift switch , Reverse park aid module, Trailer brake control module. Dealer has quoted me nearly $2000 for the repair because they say the complete dash must come out to replace the evap temp sensor. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the . Tips for replacing AC High Press Switch. 4 where is the ac - Ford F-250 question Oct 30, 2012 • Cadillac Cars & Trucks. I believe this system is supposed to if the high side pressure is good then send +12v across the red/yel up to the low pressure switch to give that red/yel +12v then check at the dryer then send power to the compressor clutch and turn the system on. 2012 f250 ac low pressure switch location. How to replace the a/c clutch cycle switch on 2011 f250. How To Replace AC Low Pressure Switch: Detailed Guide You Need To Follow. At a lost of refrigerant the switch will open. It is on the side of the Receiver/Drier (the black cylindrical canister in the engine compartment on. Connect the recovery machine's larger hose to the low-pressure port of the system and the smaller hose to the high-pressure port. Ac low pressure switch location. Learn the pressure sensor location on the . Testing and replacing the AC Clutch Cycling Switch on my second gen Cummins, went from blowing warm/ambient air to blowing cold! If your AC clutch isn't spin. WHAT AC PRESSURE SWITCH DOES. #howto #easyway #fix #diy #shorts #viral #trending #newvideo Ford F150 A/C Relay And pressure Switch (Sensor) LocationFord F150 AC Relay, Fuse & Pressure Sw. With no power to a/c comp. If it is reading incorrectly it won't run the compressor the correct amount of time. Note: Typically, the A/C system does not need to be evacuated prior to removing the A/C pressure switch. We currently carry 5 A/C High Pressure Side Switch products to choose from for your 2008 Ford F-250 Super Duty, and our inventory prices range from as little as $30. Ac low pressure sensor p0532. We use cookies to give you the best possible experience on our website. The low pressure switch is easy to get to as it is high in the engine compartment. Closed Throttle Position Switch. Labor costs are estimated between $58 and $73 while parts are priced at $36. Cant locate ac low pressure sensor. My symptoms are that the compressor will cycle on for a second, then off for a while, then back on. Designed specifically for your vehicle, Motorcraft products meet stringent Direct OEM replacement for proper fit Recommended by Ford Motor Company. However, instead of moving blood through a human b. 0 transmission cooler, ScanGauge II, Marinco mod, Walker BTM, Full Force injectors, TurboMaster wastegate controller, Adrenaline HPOP, RiffRaff billet turbo wheel, stainless bellowed. Follow the larger (suction) line from the evaporator, to the . Resetting the High Pressure Switch. Backed by over 50 years of mobile A/C experience, fix it once and fix Contains gaskets, o-rings, or seals to properly replace the product Color coded for easy identification $32. Screw the new switch in by hand, then tighten it until it's snug using a ratchet or wrench. voltage to low pressure , but not to clutch. PCM grounds AC compressor clutch relay control coil which closes relay contacts and sends power to compressor clutch coil. Dealer has quoted me nearly $2000 for the repair because they say the complete dash must come out to replace the evap temp sensor. Location of ac high pressure switch on 2011 buick enclave. Ford F-250 2011, A/C. How Do You Make an AC Generator?. So no the pressure does not half to evacuated when changing the pressure swith cause the sharder valve will keep the system contained Was this answer helpful? Yes No Score 1 Add a comment. all new ac system twice. The 2012 Ford F-250 has 3 different fuse boxes: Upfitter controls (if equipped) Left low beam headlamp. Can I change ac pressure switch without draining refrigerant on 2012 Ford F-150 3. The average cost for a Ford F-250 air conditioning refrigerant pressure switch replacement is between $94 and $109. On top of low prices, Advance Auto Parts offers 4 different trusted brands of A/C High Pressure Side Switch products for the 2008 Ford F-250 Super Duty. Wrench. “IF” you opened the system, lines disconnected, you''ll most likely have to pull a vacuum on it AFTER you replace the seals, and Dryer/Accumulator. This range does not include taxes and fees, and does not factor in your specific model year or unique location. How to Replace an AC Clutch Cycling Switch. This will bypass the low pressure sensor and allow the AC clutch to engage and begin to cycle again. 10A: 36: Fuel tank select switch. Your AC pressure switches are located on both the high and low sides of the unit. In definition, the AC Pressure Switch is a safety switch located behind the air conditioning system. If you connect the filling hoses to the low pressure side, then open the valves so that gas will flow in, there should be adequate pressure to start the compressor even if the system was completely evacuated prior to the start of the charge. - Additional thoughts on recharging your A/C system Share on David Hobbs helped make these videos Feedback. #howto #easyway #fix #diy #shorts #viral #trending #newvideo Ford F150 A/C Relay And pressure Switch (Sensor) LocationFord F150 AC Relay, Fuse & Pressure Sw. Common signs of failure include a bad compressor or lack . 5times ambient pressure as a rule of thumb and it seems to be pretty close most of the time. Products are engineered and tested to provide years of trouble free operation. GMINA LUTOMIERSK has 1 employees at this location and generates $131,864 in sales (USD). Automotive Mechanic 25 years of experience The air conditioning system on your vehicle uses a pressure transducer (switch) that is mounted in the lines, near the condenser. all new ac system twice. Location of the recharge port for the AC on a Ford F350 6. How to Replace an AC Pressure Switch. You will achieve this by opening the furnace using the right nut driver or screwdriver. I mean you can empty it yourself but it will be a pain to fill properly. FORD AC AIR CONDITIONER DOES NOT WORK BECAUSE OF BAD AC PRESSURE SWITCH. Only 1 left, In Stock, Add to cart to see delivery date. The compressor in an AC unit is a type of pump, and it functions in a manner that’s similar to a human being’s heart, according to Tech Choice Parts. The AC pressure switches are located on the AC pipes on both sides of the AC compressor. This is because there is a schrader valve built into the switch mount. AC BLOWS HOT FIXIf you have Ford and your ac is not working, . Direct OEM replacement for proper fit Recommended by Ford Motor Company. Ford F-250 2011, A/C Clutch Cycle Switch by Motorcraft®. Joined Oct 3, 2011 3,712 Posts #2 · Apr 30, 2013 It is on the side of the Receiver/Drier (the black cylindrical canister in the engine compartment on rear passenger side). Jump a low pressure switch. This issue turned out to be the evap temp sensor. I have a 2011 F250 with the same issue supposedly. Whatever this sensor is, you can locate it in the engine bay area. He's thinking low or high pressure switch is bad. Find The Sensor And Disconnect The Negative Battery Саblе. Also it is normal for your compressor to not cycle continuously if. Ac low pressure sensor p0532. The AC pressure switches are located on the AC pipes on both sides of the AC compressor. 2011 f250 evap temp sensor. There are a lot of things in an. FORD AC AIR CONDITIONER DOES NOT WORK BECAUSE OF BAD AC PRESSURE SWITCH. The 2012 Ford F-250 has 3 different fuse boxes: Upfitter controls (if equipped) Left low beam headlamp. Ac low pressure switch location. SOLVED: Changing out ac pressure switch. This issue turned out to be the evap temp sensor. 2001 F250 AC low pressure switch. My low pressure/cycling switch pigtail is bad. 1999-2010 Ford F-250 Super Duty A/C Low Pressure Cut-Out Switch SMP PCS119. The AC pressure switches are located on the AC pipes on both sides of the AC compressor. Direct OEM replacement for proper fit Recommended by Ford Motor Company. Location of AC recharge port and compressor Ford 2011 …. Motorcraft is the way to restore the performance of your vehicle. The system has two pressure switches namely . Note: Typically, the A/C system does not need to be evacuated prior to removing the A/C pressure switch. A forum community dedicated to Ford F-series owners and enthusiasts with a Power Stroke diesel engine. #howto #easyway #fix #diy #shorts #viral #trending #newvideo Ford F150 A/C Relay And pressure Switch (Sensor) LocationFord F150 AC Relay, Fuse & Pressure Sw. The air conditioning system on your vehicle uses a pressure transducer (switch) that is mounted in the lines, near the condenser. Remove the plastic clip that attaches the two wires to the sensor and use a short piece of wire to connect the two terminals in side the plug by putting the ends into the cap. Order Ford F250 Super Duty A/C Switch online today. LOCATION OF A/C LOW PRESSURE SWITCH. Step 2: Remove the switch electrical connector. I believe you were miss informed but you don't half to drain your a/c fluid. I shot starter fluid in the intake and it started up and ran on the started fluid for 20 seconds then stalled out. Malfunctioning AC Pressure Switch Symptoms And …. 4 Symptoms Of A Bad AC Pressure Switch (High Or Low). This will bypass the low pressure sensor and allow the AC clutch to engage and begin to cycle again. Step 2: Remove the switch electrical connector. This guide highlights four AC brands with the best reputa. The air conditioning system on your vehicle uses a pressure transducer (switch) that is mounted in the lines, near the condenser. voltage to low pressure , but not to clutch. We currently carry 5 A/C High Pressure Side Switch products to choose from for your 2008 Ford F-250 Super Duty, and our inventory prices range from as little as $30. For your purposes, you'd need to disconnect the switch, and insert a jumper wire between the red/yellow and tan/light green wires. Automotive Mechanic 25 years of experience The air conditioning system on your vehicle uses a pressure transducer (switch) that is mounted in the lines, near the condenser. 2011 f250 xlt. 7 Air Conditioning Issues. Sounds like the switch is sensing a low pressure condition or the switch is bad. How to Detect Low AC pressure Easily Ie F250 or F350. Come join the discussion about performance, bulletproofing, modifications, classifieds, troubleshooting, maintenance, and more! Full Forum Listing. The AC pressure sensor is bad making me think it has too much head pressure. How to Jump the 3 Wire AC Pressure Switch on Your Own ❤️. Order Ford F250 Super Duty A/C Switch online today. The high side switch is a dual pressure switch. all motorcraft products from dealership purchased by vin. Once you are done finding the sensor, take. This information is typically located under the hood and/or in the The AC pressure switch in F-250 detects and monitors the pressure of . Company Description: GMINA LUTOMIERSK is located in Lutomiersk, łódzkie, Poland and is part of the Executive, Legislative, and Other General Government Support Industry. Find useful information, the address and the phone number of the local business you are. The 2012 Ford F-250 has 3 different fuse boxes: Upfitter controls (if equipped) Left low beam headlamp. I have a 2011 F250 Lariat dual temp control and all that jazz, leather ac/heat seats. #howto #easyway #fix #diy #shorts #viral #trending #newvideo Ford F150 A/C Relay And pressure Switch (Sensor) LocationFord F150 AC Relay, Fuse & Pressure Sw. ac pressure are around 25/30psi on low side and 260psi on the high side. Have you any ideal what your pressures are, should be 28-30 psi on the low side and (IIRC)250 psi on the high side. Low pressure switch is located on the evaporator outlet line Duel function high pressure switch is located on the receiver drier 11. SOURCE: AC low pressure switch, on 2002 ford F250, this is a switch that remains closed as long as there is enough refrigerant pressure to keep it closed. Don't have the equipment to check, no problem, here's a quicky vid on how to check for low refrigerant in your truck or car. Let’s get started on DIY: 1. It is on the side of the Receiver/Drier (the black cylindrical canister in the engine compartment on rear passenger side). Low pressure switch has power in and out And the high pressure switch has power on 3 wires but. Step 2: Reinstall the electrical connector. robotic sigmoid colectomy cpt code. Joined Oct 3, 2011. 4 where is the ac relay switch located doesn't show in the owners manual 99 F250 5. Joined Feb 22, 2011 684 Posts #2 · Mar 15, 2015 The best way to do it is take it to a shop that does AC. Locate Port - How to access the low pressure port 4. Changing out ac pressure switch. 2011-16 Ford f series ac fix bad evaporator temperature sensor instead of pulling out the dash which is about 10 hours book time to actually replace the sen. I have a 2011 F250 with the same issue supposedly. Kincardine, Ontario Weather. Thoughts on the original poster's issue. Step 3: Remove the switch. 1) the control module, 2)evaporator temp sensor, 3) compressor clutch/clutch gap. Insert a nail through the box, attach the magnets to it and wrap the box with 200 feet. 2013 f-150a/c pressure switch location. Have them pull the r-134 out and when they get done you replace that switch in 10 seconds then have them refill it. Related repairs may also be needed. Intermittent A/C problem (NO COOL AIR). May 1, 2020 - Budynek mieszkalny jednorodzinny do 100 m2 (gmina Lutomiersk, łódzkie) - BIAMS Architekt Łódź. Also possible the relief valve is just weak. Ac low pressure sensor p0532. The receiver/drier is actually incorporated into the condenser/power steering combination cooler. On top of low prices, Advance Auto Parts offers 4 different trusted brands of A/C High Pressure Side Switch products for the 2008 Ford F-250 Super Duty. Open the Hood - How to pop the hood and prop it open 3. A faulty Mercedes AC pressure switch/sensor may or may not return fault codes B107A15 & P244A00. 2003 F-250 XLT Crew Cab 7. Anybody know where the location of the high and low pressure switches are located , I see where the compressor cycle switch is. Pressure switches for compressor & car air conditioning. I used a jumper wire from the battery and the clutch engaged and the compressor worked and the a/c was very cold and not low on freon (using my gauges to check). Trucks & Trailers - 2011 F250 AC issues - 11' 6. #howto #easyway #fix #diy #shorts #viral #trending #newvideo Ford F150 A/C Relay And pressure Switch (Sensor) LocationFord F150 AC Relay, Fuse & Pressure Sw. It is advised not to release the refrigerant into the open as it can contribute to the greenhouse effect. Cheers! 1997 F250 SC 4x4, E4OD, 4. Select year, make, model above to verify this part fits your vehicle. Ford F250 Super Duty A/C Switch. Note: Typically, the A/C system does not need to be evacuated prior to removing the. But again if someone could absolutely confirm this for me. No power to high pressure a/c switch. How to replace the a/c pressure or a/c clutch cycle switch on 2011 f250. Step 2: Remove the switch electrical connector. FORD AC AIR CONDITIONER DOES NOT WORK BECAUSE OF BAD AC PRESSURE SWITCH. evap core was replaced as well. Location of AC recharge port and compressor Ford 2011 F350. This switch is usually located near the compressor, on . The pressure switch is located on the high pressure side of the loop. When you’re in the market for an air conditioning unit (AC) you should be aware that all HVAC brands are not equal in quality and reliability. The AC pressure switch protects the AC system from pressure that's too high or low. 3L, Chrome BigTex Grille Guard, Quad pillar - 3 ISSPRO gauges (trans, pyro, boost) and DP-Tuner F6; Roush fuel pressure / temperature / oil pressure gauges, Ford Severe Duty AIS, 31 row 6. How to Replace Your Air Conditioning Low Pressure Switch. Start with locating the sensor as in some cars it can be an AC high pressure switch function, and in some, a low one. There are two different functions depending on the pressure - ramping up fan speed, and cutting off the A/C compressor. Locate and compare Matarazo-Pressurewashing in Kincardine ON, Yellow Pages Local Listings. fan clutch is new radiator ic perfectly clean as well. 10 LS, Basically Stock, Relocated Block Heater Plug, External Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed. Step 1: Install the new switch. Also it is normal for your compressor to not cycle continuously if the system is properly charged. Ford Powerstroke Diesel Forum. Just want location of sensor - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. Compressor Low Pressure Switch Location??. 2011 f250 evap temp sensor. Joined Jan 2, 2011. The most common causes that hinders normal operation of air conditioning system on your Ford F-250 are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. If you jump the low pressure switch with the engine running, do it only for a few seconds. Changing out ac pressure switch. You will find the low pressure AC switch on the low pressure side (smaller pipe). Remove the plastic clip that attaches the two wires to the sensor and use a short piece of wire to connect the two terminals in side the plug by putting the ends into the cap. Location of A/C low pressure switch. 4 Symptoms of a Bad AC Pressure Switch (High or Low). ⚡ Updated car parts price list, best prices, fast shipping ☝ boodmo. The low pressure side switch is located before the AC compressor, while the high pressure switch comes after the compressor. AC NOT BLOWING COLDIn this video we will explain what the A/C pressure switch is for and how a bad faulty AC pressure switch ma. Backed by over 50 years of mobile A/C experience, fix it once and fix Contains gaskets, o-rings, or seals to properly replace the product Color coded for easy identification $32. If you are trying to locate the air conditioner recharge port, here is the vide. If your issue is in that valve then yes you will lose pressure. 1999-2010 Ford F-250 Super Duty A/C Low Pressure Cut-Out Switch SMP PCS119. You can just unscrew it (switch) and replace it, there is a Schrader valve which closes off when unscrewed so no pressure/fluid releases. Motorcraft® A/C Clutch Cycle Switch. Automotive Mechanic 25 years of experience The air conditioning system on your vehicle uses a pressure transducer (switch) that is mounted in the lines, near the condenser. Check out free battery charging and engine diagnostic testing while you are in store. This range does not include taxes and fees, and does not factor in your specific model year or unique location. SOURCE: AC low pressure switch, on 2002 ford F250, this is a switch that remains closed as long as there is enough refrigerant pressure to keep it closed. Build an alternating current generator using an open ended cardboard box, copper wire, a nail and strong magnets. Testing and replacing the AC Clutch Cycling Switch on my second gen Cummins, went from blowing warm/ambient air to blowing cold! If your AC clutch isn't spin. Ford Taurus Ac High Pressure Switch. Ive always seen highside pressure should be 2-2. 10A: 18: Keypad illumination, Passive anti-theft indicator Select shift switch , Reverse park aid module, Trailer brake control module. Clicking this will make more experts see the question and we will remind you when it gets answered. What Does an AC Compressor Do?. This issue turned out to be the evap temp sensor. The compressor is turned off immediately when the A/C compressor pressure cutoff switch detects an acute increase in pressure. You will find the low pressure AC switch on the low . Do NOT jump the low pressure switch to operate the compressor non-stop so you can add refrigerant. Most newer a/c systems have an evaporator temp sensor that reads the temp in the evaporator. The switch will be under the hood and plumbed into the Low side of the front AC. Location of the recharge port for the AC on a Ford F350 6. Location of the recharge port for the AC on a Ford F350 6. i am at a complete loss having replaced the entire system twice. I also believe the pressure switch will unscrew, if it has a hex on it to use a wrench then it should unscrew, there should also be a green o ring to help seal it up, I recommend to change the o ring, maybe it comes with the pressure switch, if the Schrader valve is leaking, give it a light twist in the tightening direction, the same as a tire valve tool will work but not too tight, easy to. A/C Switch Compatible with 2000-2007 Ford Taurus 2003-2010 Ford F-250 Super Duty 2003-2010 Ford F-350 Super Duty 2004-2010 Ford F-450 Super Duty 2004-2007 . Ford F-250 2011, HVAC Heater Core by Motorcraft®. You have what is called a shrader valve.