Location. Cobra Item Part Number Description 1 19972 A/C Compressor to Condenser Discharge Line 2 19E762 A/C Charge Port Valve(High Side) 3 19D594 A/C Pressure Cut-Off Switch 4 19D742 Evaporator to. 2) I jumped the harness going to the sensor (bypassing the cutoff switch entirely) and the clutch still would not engage. Unplug. It has been my experience (not on these trucks) that while the compressor ships with oil in it, it is not the full charge that the system requires. When you turn the knob to AC theres usually a click and then the pull on the motor as the compressor. Tracy answered 10 years ago. New compressor/dryer, orifice tube, etc. Free Shipping on orders over $99. Yes, it's the compressor oil. 0 A/C compressor won't cycle. 2000 4WD sport 3. 1998 Ford Escort. yankeesrule said: I Recently bought a 2017 Kia Sportage. Go back and recheck the circuit. Yes, you can add some refrigerant while the compressor is not engaged. GUIDE. To move fresh air. With key on, disconnect the A/C pressure sensor and check for five volts on the gray wire. if not, then replace clutch. The compressor will. AC compressor will not come on. Almost 250 million households across America use some form of air conditioning. After inspecting the belt, there can only be two things left that could be happening: 1. AC Compressor clutch won't engage. Some of them work off of a cable and others work from vacuum. Tried running a separate set of wires directly to ac comp, it kicks in fine, draws 3. If the compressor does not engage when you jump it, the problem is a bad compressor clutch. Control valve and connector on body of compressor. Re: 2001 SC2 5sp - A/C Compressor won't engage. checked fuses,. Auxilary fan does not start. Find a Shop. 1999 to 2016 Super Duty - A. Pressure on LOW side of AC system is 40 psi. Switch On Your AC. When I turn on the AC no cold air blows out, just warm. 2. If your car AC won't take Freon, you can check the compressor, use a manifold gauge set. I could see that the air conditioner compressor clutch was not engaging the compressor, and hoped that this was the only problem. a/c compressor wont engage. The compressor will not engage (Ford escort 1998), there is no power on compressor. the AC mag clutch won't engage. turn the ignition ON - clear the codes - set AC to coldest temp - start the motor -. Switch the ignition off. AUTOMATIC. The clutch is not getting a signal to turn on. #13 · May 29, 2017. 1575 posts · Joined 2005. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. Turn on the A/C. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. 23. 6L F150 AC compressor won't kick on help. 378 posts · Joined 2006. 1999 Ford Escort. If I put 12 v. If the switch is good, and the relay, you may either have a problem with the compressor and an electrical issue somewhere before the compressor. Cheaper and simpler to replace the clutch coil. The Compressor Does Not Kick On At All. If the compressor does not engage when you turn on the A/C, see if it will run by jumping the compressor clutch wire directly to the battery (use a fused jumper wire). Press on the low-pressure valve for a split second and see if freon or air sprays out. Just blows the ambient temperature. Ac compressor clutch will not engage. it had a bad valve core on the high pressure side which caused all the freon to leak out and the clutch couldn't engage. Ford escort fuse box cover diagram. Check Out the Latest Top Trucks Report!If R12, start saving some $$. 2. Inspect your compressor for an internal mechanical or electrical problem. . It cuts off. . Its not putting up any OBD codes either. Put it one can and found that the compressor wont engage. I replaced the pressure sensor at the firewall, didn't help. Over time, the contacts wear out and the switch must be replaced for the AC to function. Select Cascadia and you will have another screen open up. engage. Jumpering 30 & 87 on the WOT relay socket engages the compressor. it gets that signal through the power that goes to the compressor. Search Fixya. Sounds like your temperature actuator is not moving or your temp door is broken. If the switch is good, and the relay, you may either have a problem with the compressor and an electrical issue somewhere before the compressor. If you want to diagnose an AC compressor clutch for defects, apply these techniques: Working method 1. Prior to this, the ac was not working at all. The first thing to look for is the condenser fan being on (if equipped). 57 Answers. Remove the mechanical fan shroud i believe they are 8mm screws that hold the shroud in and remove the serp belt. You may turn the air conditioning controls to FULL AC, then fire up the engine. In addition to an Audi compressor won’t engage, you may also find the following trouble codes:No change, and could not fully recharge system as clutch was still not engaging (about 4-6 oz low). If the clutch engages, the fault is elsewhere. The AC mode control switch is not in the AC position. Since I know the problem is on the PCM output to compressor clutch side of the system the best place to do some tests is at the constant control relay. The A/C CMPRSR CLTCH relay is also in the underhood fuse block. Serving my area. The A/C components are original. Want Answer 0. As the terminals corrode, the fuse box develops excessive resistance and heat that can burn up the plastic frame, also resulting in a burned compressor clutch fuse, wire or simply a compressor clutch won’t engage. Search Fixya Browse Categories. This could be because the AC compressor is not turning on, or it’s not staying on. Audi compressor won’t engage Diagnose and fix Audi compressor won’t engage. 1999 ford escort zx2: ac. 1. With AC on max, I popped the hood and checked to see if the clutch on the compressor was engaged. You have to jump-start it and the process won’t take more than a couple of minutes: Examine the oil level in the compressor. You need at least 45 psi for the cycling switch to engage the clutch. . The most common cause for the lack of AC clutch operation on your 1999 Escort is in most cases caused by a failing CCRM (constant control relay ) module located in the left front side of the engine compartment. If the ac compressor will not engage it may be --no gas--too much gas ---blockage in the system--- no cooling fan for the condensor-- burnt out clutch behind the pulley. Maintenance/Repairs. short the test leads together to "zero" the meter. #3. . I get a reading of around 8. Well, my gf's 2001 Ranger has an issue with the AC. Replace pushbutton control module (or) B. First, turn ON the AC and fan to the maximum. Can't get the AC to charge. When I got home I removed the 2-wire plug (on the AC), cleaned the connections and re-plugged the connector back on (actually unplugged and plugged a few times). 1968-Present E-Series Van/Cutaway/Chassis - AC compressor clutch not engaging - I had a mechanic replace the manifold hose and drier accumulator on my E350 dual AC van. Check for ground on the black wire. Out of the blue AC won't turn on anymore at all. In your A/C system, you have high- and low-pressure switches. Good Luck! 2002 Mustang GT. I have a 1994 ford E 150 van and the AC compressor clutch does not engage-there is no power at the connector. Just blows the ambient temperature. AC clutch not getting power. You can pull the center hub out of the clutch easily without pulling the belt or the degas bottle, and remove the small washer/shim on the female side of the center hub you pulled out, and put the clutch back together. Observe compressor clutch. If you have the A/C button on inside the truck, and it still does not kick on, then pull the two wire connector off of the pressure switch, and jump the terminals together. However I cannot get the compressor to kick in. Amazon Link AC Relays (Honda) - Link AC Relays (Toyota) - your A/C compressor clutch won't engage bec. After inspecting the belt, there can only be two things left that could be happening: 1. a/c compressor will not engage. 4 CYL. If the car ac clutch is still engaged, it means it is seized. Check the plug at the compressor to verify voltage when switch is on. Let’s take some time and explain all 8 reasons why your car’s air conditioning compressor won’t turn on. what is considered a good oil pressure at 65mph and 40 mph in a i991 mx-5 150 000 on the. at the coil terminal connector. GCR. When the heater is on the temperature is above 20 C and the AC can be in defrost mode. Ask Your Own Ford Question. 12-09. I’m not kidding about this. That run-down belt can snap anytime with all the forces inside a fired-up engine. Actually as long as the high pressure switch is disconnected the compressor will come on. Want Answer 0. The air conditioning compressor will not engage in my '98 Ford Escort when control switch is turned on. This indicates some form of wiring problem. Fast checking. Switch controls the coil of the relay. NISSAN ALTIMA. engine running. I tried that several times and it was working fine. clutch plate will not engage. The clutch is not getting a signal to turn on. Jay Safford. 1998 Ford Escort. Figured it needed a charge of R-134, but in order to add you need to get the compressor to run. A/c 1999 Escort. A few weeks ago my AC began blowing hot air. #15 · Jul 31, 2013. If your Air Conditioning compressor isn't working (the clutch won't engage) then watch this video. The center part on the pulley of the A/C. Ask your friend to start the engine while you look and listen to the engine. 3. michaelbrainardatwor. On 7/22/2016 at 9:25 AM, iantt said: Normally it's just a regas. Reconnect the 14-pin connector. After inspecting the belt, there can only be two things left that could be happening: 1. I have a problem with my 99 ML430. The AC compressor still wont kick on. It may be a bad low pressure cut out switch. then connect the pressure gauge, if its too low, the compressor will NOT engage so that it wont destroy itself (hense. it won't command the air conditioning on. 4WD. If so, you have a compressor issue. likely to be low on refrigerant. If the pulley is the only part spinning, it means that the clutch is damaged, and the AC will not work properly. The WK is especially finikky with pressures, as I've found out recently.