Go on to check the fuse if you cannot read the voltage readings. A stationary electromagnetic coil is attached to the face of the compressor, behind the pulley. Mechanic's Assistant: Are you fixing your Altima yourself? Car is 2002 PT Cruiser, I'm original owner. I could bearly turn it at all. Worn shaft bearings will build up resistance in the wiring and fail to turn on the clutch. You have to make sure that the compressor has enough oil to function properly. the AC light never comes on. The large magnet forces the hub to pull against the pulley. Changing the compressor clutch could be the only solution in this case. Want Answer 0. If it does not, shut the engine off and disconnect the negative battery cable with a socket. Everything You Need To Know! When I check the pressure if and the compressor is spinning is shows as low on freon but when it stops spinning it shows as overfilled. Turn the installation tool forcing screw to force the dutch coil onto the front head until it is properly seated. These noises are common when driving the car at high speed. are optimum for proper system operation. AC Clutch won't engage 96 Legacy Sign in to follow this . Ceramiclover 0 Ceramiclover 0 Advanced Member; Members; 0 63 posts; Saint Paul, MN; Posted March 13, 2015 … These compressors are powered by ex­tremely high voltage, and improper service techniques can result in per­sonal injury. I have just refilled my C202 AC……….now my fan turns on and off with some noise whenever i turn on the AC,what could be the problem. Not that I’m aware of… I would just replace the ac compressor and be done with it. I push the in and the ac light goes on, but the compressor clutch won't engage. Align the bearing squarely with the hub bore, and using the installation tool, drive the bearing fully into the hub. After the retainer has been removed, attach a clutch plate and hub puller into the hub assembly. Stratt. if i turn the air off, then it disengages as it should. Also flush out the ac lines if any contamination from the failed a/c compressor. It could also raise idle speed through control of an idle speed control device. White Smoke From Exhaust: Main Causes and How to Fix. As discussed in the section on lubricants, correct oil levels are critical to system performance and component life. Rebuilding the system should make it like new and give you a good 10 - 15 years of life out of it. When I switch on AC during idling, it switches on fine. Any ideas? I hooked up the guages and while idling it shows about 35 PSI on low and about 180 PSI on hi side. Ask Your Own Nissan Question. The compressor drive hub is usually found at the front of the pulley and is attached directly to the compressor driveshaft. The squealing noises are a bonus. This prevents the compressor from engaging. Share this conversation. I would leave it like that till the fall, then add a spacer or something so the clutch isn’t engaged. Replies to my comments Cancel. It took a while but the level did come up and the cool air did start to blow in passenger area. Evacuate and recharge the A/C system using the proper equipment, and check for leaks. Finally, check system performance. The clutch on my AC compressor will engage when I start my truck up but after about thirty seconds it will stop and not come back on until I turn my truck off and back on again. There is a pressure switch which detects that there is enough gas and if not the ac clutch won't engage. Show More. The refrigerant will leak away very slowly and air will be introduced in to the system. What do you suggest? Required fields are marked *. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Place a suitable installation tool over the opening of the clutch coil housing and align the installer with the compressor front head. The system’s computer keeps the relay grounded but it can go on and off due to the bad switch. Method 3: Replacing The Clutch. When the accelerator is released from the floor, the compressor clutch will re-enable the compressor. With handle out, it *tries* to on occasional rotations to turn the two gears (big and small bevelled gear), but most of the time, the flywheel just revolves and does NOT engage the motor. It does however engage when I jump it. When installing the coil, place the assembly on the front head of the compressor with the terminals in the proper position. I did pull the belt and checked the pulley - it turns freely and there is no bearing movement. If I disconnect the pressure switch on dryer clutch stops. The low-pressure switch tells the car that the clutch needs to engage and disengage and will shut off the A/C compressor. If your Air Conditioning compressor isn't working (the clutch won't engage) then watch this video. I have an open coil. So it’s worth maybe $2.5K? How to manually engage AC compressor clutch when the system is low on antifreeze? I was thinking it was bearing. I’d leave the AC siwtch on all the time. Thanks. If the clutch fails to engage and spin, but you hear electrical buzzing or clicks inside, it indicates an internal clutch short. Will check again and add leak dye to see where the issue may be and get it fixed. Followers 3. My local garage says it needs a new compressor but before I buy and fit a new one I want to be absolutely sure. Drain the compressor of any oil it contained during shipment. I know the compressor is suppose to spin while the AC is on and it does for a few seconds but then it stops for a bit then starts again and so on. I don’t know if this is also related to the issue to compressor cycling off and on while vent temps fall down to 10°c. Most likely brke pedal and transmission range selection is coincidental and there is just a problem with the ac circuit. Very informative article. You Need a set of AC pressure gauges to do this testing. Air Conditioner clutch does not engage on compressor. Is Spoon Engine A Real Thing? 2. What Is Shift Lock Release And How To Use It? or $3K at most? most likely the ac compresoor is dragging if the belt is slipping. Bought this car about 6 months ago and its finally getting hot enough to test the AC. With a engine off: If you want to purchase a power probe for the clutch you can do that or try to use a wire such as in the video above. Although most compressor clutch and drive pulley components can be serviced in the engine compartment, it is advisable to recover the refrigerant and remove the compressor from the vehicle. I can then start AC again for small amount of time. Ask Question Asked 5 years, 4 months ago. Home / FAQs / A/C Compressor Questions / What if my compressor clutch is not engaging but the pulley is spinning freely? how to manually engage ac compressor clutch. posted 2017-Dec-8, 2:19 am AEST ref: whrl.pl/Re3doW. The next section tells you how to manually engage AC compressor clutch at home. This switch is installed in the power steering system and reports on high pressure conditions. I added more R134 to the line and it … Internal damage to the compressor can result. Trying to locate relay. See if you can find a belt that will fit that just operates the power steering … Doesnt make sense to replace the ac clutch when the compressor has 100k on it or more. Use a digital voltmeter to measure the ground and voltage of the battery at the detached connector cable. Use a socket or wrench to tilt the automatic tensioner away from the belt, and then remove the belt from the pulleys. Turned off the car and the A/C and tried turning the compressor. Start by checking high + low side pressures while compressor is cycling. Posted by 3 years ago. I put a socket on the center of the compressor & the compressor spins free. If you find this information helpful please consider a donation. Took off the old 1 but couldn’t see any signs of damage. I put 12v across the compressor, it made a quiet click but the clutch did not engage. The clutch regulates the status of the ac compressor. I can turn it back on by either turning the engine off and let it cool off or turn off the a/c for same amount of time. If your car is compatible with R134a type of refrigerant, attaching a can to the system will override the low-pressure switch and restore the normal function of the compressor clutch. It was working find but now nothin7. Now functioning as a unit, they drive the compressor as long as the coil is energized. Take Advantage Of These Ten Easiest Cars To Work On, Symptoms of a Bad Variable Valve Timing Solenoid and How to Replace, UPGRADE Your Beloved Car with These 25 COOL Car Accessories, Top 6 Causes of Steering Wheel Hard to Turn and Solutions, Iwamotocho 3-10-7-7F, Chiyoda, Tokyo, Japan 101-0032. By Ceramiclover, March 13, 2015 in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX. Hello, I have a 2006 Toyota Sienna with approx 64K miles. To clarify my question about 99 lexus AC compressor is not cycling. As soon as I put the transmission in D or R, I can feel, hear and see the compressor disengaging and the high speed fan turning off. This eliminates the load it places on the engine, as it is most often assumed that the pedal on the floor means it is more important to go fast at that moment than to remain cool inside the car. After the clutch plate and hub have been seated, compare the air gap between the frictional surfaces with manufacturer’s specifications. Added refrigerant. ... you could spin the compressor by hand. Why AC clutch won’t engage. First, unplug the wire connector on the compressor’s front side. Are Cars Designed to Fail At A Certain Point? Clicking this will make more experts see the question and we will remind you when it gets answered. An automobile can have numerous serious problems and a dysfunctional AC compressor clutch is one of them. A month or three later same thing happens. Im trying to add freon to my ac on my chevy s10. Since the Shaft of the AC Compressor is mated with the A/C Hub, once engaged, it begins to pump refrigerant in the system. Step 3. Install a new belt by correctly positioning it in its pulley grooves. If the belt pulleys are severely misaligned, look for improper positioning of the A/C compressor or its corresponding pulley, improper fit of the pulley or shaft, or incorrect components installed. Sometimes the rebuilder will clean up the unit install new brushes, an new one-way clutch, and a solenoid only. 1 Answer Blows hot air clutch does not engage compressor. So if I continue with the chart (as if the relay isn't cycling, I remove the relay, and jump two of the pins on the harness to see if the clutch engages, but it doesn't. Knocking noises from the compressor usually indicate internal damage, especially on piston-type compressors. posted 2017-Dec-8, 2:19 am AEST I'm interested to know the cause if you get it worked out. Do you. I checked the pulley without the belt & it spins free & noiseless. If the retainer is a C-clip, install the clip. A/C clutch engaged all the time. If the compressor clutch components have been replaced with the compressor off the vehicle, reinstall the compressor and connect the pressure lines and electrical connectors. Discussion Starter • #1 • Sep 9, 2013. Before removing a serpentine V-ribbed belt, make sure there is a belt routing diagram handy or draw one prior to belt removal, to prevent installation problems. Only service equipment approved for hybrid/electric compressor service should be used. If the clutch engages, then check the power supply to the clutch, including the system protection devices and electronic compressor controls. We use cookies to give you the best possible experience on our website. Mechanic's Assistant: What is the model/year of your Nissan? Being low on refrigerant will have your compressor working twice as hard to try and cool the air. ”If your car AC starts squealing as soon as you turn it on, you could have a cracked or broken AC belt, faulty AC compressor clutch, or faulty AC compressor pulley and bearings. I noticed my A/C compressor stays engaged when I turn the A/C on. Engaging the AC compressor clutch at home is not rocket science. And while all this happens, I can feel the vent air beginning to warm up again. I have a small JDM vehicle that is giving a few issues. (too much load on the engine?). Replaced starter with a remanufactured. The Compressor is not meant to run all the time. It is an ominous sign when the clutch engages but the compressor does not spin. Tsukasa’s blog is one of the best resources for information about keeping your favorite imported car running smoothly. Inadequate lubrication can damage the compressor. Posted by Anonymous on Jun 17, 2011. Remove the compressor mounting bolts and lift the compressor from the engine compartment. Did add the Freon and the AC compressor clutch did engage. Both the pulley and the clutch should be spinning. Nothing in the lines or in the openings of the compressor. No, the AC clutch will not engage when the Freon is empty or low. Attach the other end of the jumper wire to the positive terminal of the battery. Position a rotor and bearing installation tool directly over the rotor and tighten the center screw to force the assembly onto the compressor front head. In a few car models, the power of the air conditioning system flows from the AC switch to the fuse before being transmitted to the clutch oil through the low-pressure evaporator temperature. The clutch prompts the drive shaft to start rotating once a certain rotational speed is reached and allows the engine to run without always rotating the drive shaft. 10 Best Tire Companies In The World [Updated In 2021]. how to manually engage ac compressor clutch, The 7 Best Car Batteries For The Money in 2021. If I don’t turn on the A/C, the fuse wont pop. Warranty for the new a/c compressor usually requires you to replace the reciever dryer filter also. ... You'll continue to have good enough pressure so the clutch engages but not enough to cool the car. That is why the clutch assembly is necessary. In this case, air will move through, and owing to the pressure; there will be the creation of a noise that is similar to a roar. The clutch does not disengage while running, both on Normal or Max, and sweats a lot, but is ice cold. He owns a car repair shop at downtown Osaka, and he put all that experience to good use in his sharing posts. One is for ground and one for the 12-volt power cable. The ac system may need freon added,if the system is low,or out of freon,it will not allow the ac compressor to come on. Tips – You should route the jumper wire to avoid it getting tangled or interfering with other moving components. On my 2003 Chevy Silverado, the A/C compressor won't kick on. Check for hard objects such as small stones or sand that may become imbedded in the bottom of the pulley grooves. Determining if the clutch is working. The computer can turn it on when needed, then off when it has done its job. SPONSORED LINKS. Connect manifold gauges and make sure there is adequate refrigerant in the system. When it's working properly you'll hear a fairly loud click when the spin engages or disengages. 405 Report; ksteinmetz answered 6 years ago i am glad i could assist somewhat. Look for the AC relay in the fuse box. User #492800 3 posts. Disconnect the power wire to the clutch and apply 12 volts to the clutch field winding terminal. Same fix. After the rotor has been removed, inspect it to see if the bearing can be replaced. My car has 234565 miles. Thank You, a/c just quit i can see clutch is not engaging. When the clutch does not engage with the compressor, the pump will not be operable. Would that effect the clutch not to engage. If the system has a low charge the pressures will be very low in the low side testing port. A delay can cause serious damage to the air conditioning system and the engine. Any downside? Yes you should be fine, best to put it under vacuum before charging. Some vehicles with smaller engines are equipped with a Wide Open Throttle (WOT) switch. So replacing compressor, which any garage I spoke to would do – they don’t want to replace parts on the compressor like coil… not worth their time? Car Air Conditioner Won't Take Freon Written by H.R. Remove the Woodruff key from the hub and place it aside for future use. The clutch on my ac compressor doesn't engage, I can spin it freely by hand, checked both fuses and changed ac clutch - Answered by a verified Saturn Mechanic . What is the most common reason for an air conditioning compressor not to engage? Hi, I have a 2007 Honda Accord 4cyclinder 4 door. The clutch engages, but the compressor turns very slowly. Since the lubricating oil is carried by the refrigerant, a loss could cause damage to the compressor if it were allowed to operate without sufficient lubrication. Apr 11, 2010 | 2003 Chevrolet Silverado 2500HD. Starter won't spin. How do I know if my AC clutch relay is bad? AC compressor won't engage clutch - 2002 Ford Escort. If the clutch is engaged and the compressor is not turning, the compressor is probably toast. When the switch goes bad, it will no longer be able to measure pressure and will leave the clutch engaged the entire time. When the engine is running, the A/C compressor clutch plate is loose and noisy. Inspect the pulleys for chips, nicks, cracks, tool marks, bent sidewalls, severe corrosion or other damage. AC relay tests ok; however, I do NOT hear/feel the AC relay activate... may indicate the ECU isn't sending 12v to the relay (more on this below). It will pull in and the compressor should spin. Follow the vehicle or compressor manufacturer’s procedure for adding oil to the new or replacement unit. AC compressor... Share on Facebook; Share on Twitter ; Share on Google+; Share on Pinterest; Share by Email × Question about 2002 Ford Escort. Knowing how to manually engage AC compressor clutch will help you skip a visit to the mechanic. CONTACT INFO:Martin Hand  - (503)704-4687Cara Rayburn - (971)344-4214martin@mdhmotors.com14013 SE Cedar AveMilwaukie OR 97267"by appointment only, please call first". After the compressor is removed, clamp it in a suitable holding device with the clutch facing upward. Add oil if the level is below the normal point. Archived . The ac clutch is a very important part of the automotive ac system. You'll continue to have good enough pressure so … Show Less. Fuse is ok. Low-pressure conditions can indicate failures such as a clogged orifice tube, low refrigerant charge, expansion valve stuck closed, or a restriction in the high side of the A/C system. Torque to manufacturer’s specifications. Although technically the compressor can be rebuilt, it is usually replaced. Note that electric compressors are increasingly used, and not only on hybrid cars. But when the A/C didn’t work, it’s hard to spin them. If the clutch plate and hub are fastened to the shaft using a retainer such as a C-clip, remove the clip using the appropriate removal tool. I swapped the relay to the A/C clutch with no correction. When I turn on the AC, the compressor clutch does not engage and the fans do not spin. 000569, Member of Tokyo Chamber of Commerce Boueki - 201650, How To Manually Engage AC Compressor Clutch: The Easiest Methods, 11 Signs Your Car Is NOT Shifting Correctly, Things To Avoid While Driving An Automatic, Best Tire Pressure Monitoring System Reviews. Well, I listened at the relay while my wife turned cycled the AC on and off but I don't hear any click. It is an ominous sign when the clutch engages but the compressor does not spin. A bad AC compressor clutch needs immediate fixing. could it be the ralay? Driving a Toyota Land Cruiser: Why Is It Appealing? Two months later same problem. I was able to jump the compressor so the clutch engaged, however, the fans still did not spin and the AC was not cold. Start your engine, set the AC to MAX, temp to polar bear. Install the compressor in the engine compartment and secure the mounting bolts. In a few cases, the clutch does not engage due to a clogged refrigerant circuit. Also there seemed to be hot air coming thru the vents with nothing on. In addition, pulley misalignment can cause the belt to enter the compressor pulley on an angle, also causing noise. Recently, I am hearing a squealing noise when the AC clutch engages (AC is working fine and blows very cold air). If the clutch doesn't engage, the problem could be a blown fuse, an open in the wire to the clutch coil, a bad clutch coil, a poor ground, or a low pressure lockout. Well, there are many reasons behind your AC, not blowing cool air. Never pry the belt from its pulley. These articles, questions and comments are very time consuming so even a small donation gives me motivation to keep educating automotive owners. Unplug the single wire connector on the front side of the compressor. The AC clutch engaged and the hi pressure line would get sweaty ice cold. I believe the A/C clutch, coil or whole compressor could be shot. The fan still works, but the ac does not come on. The major reason the Freon is low would be due to leakage. 05 Tundra SR5 4.7L AC clutch engages but Compressor won't spin This last weekend, after a long drive (all highway), I pulled off on my exit to get gas. It may be necessary to remove other accessory drive belts to gain access to the compressor belt. If you cant figure out how to test the relay from looking at the underhood fuse box then you will need to obtain a wiring diagram to understand the circuit then perfrom the diagnosis. Moreover, because of being passionate to learn about the recent happenings in auto industry, he doesn’t only provide great car maintenance tips, he also always updates latest trends in among car brands and share them in his own interesting viewpoint. A careful inspection of the system and its components will help you to pinpoint the source of trouble. It’s on a 2006 Dodge Ram 1500 4.7. The AC in my son's 2000 C230K cut out right after we bought it from a PP. Using a DMM, measure for continuity between the PCM connector C1 terminal 39 and the CKT 459 terminal of the underhood electrical center which is used for the A/C CLU Micro Relay #34. Ohm check the ac clutch to see if it’s shorted, Your email address will not be published. A delay can cause serious damage to the air conditioning system and the engine. An easy way to check the clutch of your AC compressor is to gently and lightly tap on the clutch when the compressor is running and the motor is on. A/C compressor started making a grinding noise as if bearings were bad in the clutch. This sensor opens the electrical path to the compressor clutch when the temperature is below a specified range. It works in a capacity like that of the wide open throttle switch. A/C clutch engages the disengages Discussion in '6.9L ... Just a set of teeth to hold the plate and make it spin. Go back to the wire from the battery, poke it into the clutch connector. Piston style compressors are the most popular, and are either in line, V-type, radial, axial or wobble plate. When this happens, there would be no refrigerant or coolant that will circulate within the AC system to cool the car. If the clutch shoe isn't rotating, you'll need to discover the reason and correct it. Is this going to be the clutch? Due to this the seals on the system breakdown slowly. 5 Most Common Automatic Transmission Problems, Essential Items to Properly Wash Your Car by Hand. Tsukasa Azuma is an awesome car blogger of Car From Japan. Want Answer 0. If I run the compressor right to the battery it will stay on until I unplug it. Tried to add freon but it won't take. These switches open the clutch circuit in the event that pressures become excessive. When the switch goes bad, it will no longer be able to measure pressure and will leave the clutch engaged the entire time. 1,808 Posts . Check the ac clutch relay, check to see if the relay works and then check the relay control signal, probably a ground controlled circuit. This switch is located on the metal canister next to the compressor. The most modern compressors are of a multi-piston design, ranging anywhere from 4 to 10 cylinders. We use cookies to give you the best possible experience on our website. If the AC Compressor is powered up, electricity engages the coil, and when this happens, it also engages the pulley. There are a couple of ways you can fix the problem to bring back the air conditioning system in order. Replace the fuse if the filament has melted or blown apart. Sometimes, when the clutch is worn, the disc is too thin and may not engage properly. The throttle position sensor reports to the engine management computer on engine demand conditions. I charged my system hoping this would fix it but it did not. Comment; Flag; More. Clicking this will make more experts see the question and we will remind you when it gets answered. Products; How It Works; Port finder; Get Help; Where to Buy; Find a retailer . Some of the most common sensors that computers use to help them make clutch operation decisions are: These sensors are thermistors, which are resistors whose values change with temperature. The thing is that my AC clutch will always engage when engine is cold but will shut off about 15-20 after. I'm trying to figure out why my clutch won't engage on two-stroke. Check the front side of the clutch to examine its condition. Yes No. Sensors report on these conditions to the electronic control module (ECM), and the ECM processes this information. AC compressor won't engage clutch - 2002 Ford Escort. Your email address will not be published. Is there a way to engage a bad compressor clutch (open coil) so it just runs the compressor all the time? I don’t want to break something else (hence me not thinking I could do the coil replace successfully!). Using a clutch plate and hub installation tool, press the hub onto the shaft. From the leaking refrigerant to the bad compressor, even a tiny fault in the HVAC system can make you face difficulty with your AC. Check the compressor belt(s) for wear and proper adjustment. After the belt is removed, spin the pulley to determine if it wobbles or has any noticeable bearing wear. AC Pro. When certain malfunctions occur, high-side pressures could exceed the safe operating limits of the compressor, hoses, or other components. Disconnect the pressure hoses from the compressor and plug the hoses to prevent system contamination. The AC has never worked for as long as she's owned the car. Not all parts are always replaced during a rebuild. Using a 12-volt test light, connect the alligator clip to the negative terminal on the battery. If the clutch doesn’t engage, the problem could be a blown fuse, an open in the wire to the clutch coil, a bad clutch coil, a poor ground, or a low pressure lockout. Bypass the Relay. i just refilled it last year and fixed a leak. The center part (the clutch) should be engaged and should be spining along with the pulley. Your email address will not be published. Is CKT 459 continuous between these … This car has only one port with schrader valve for adding freon. Does the A/C compressor clutch engage? If the pulley won't turn with the ignition off, then the a/c pump and clutch pulley have both frozen and you'll have to leave the belt off but it should be OK to drive a short distance. If the compressor clutch does not engage, turn off the engine. Compressor clutch engagement can be determined by the computer when conditions like engine coolant temperature, ambient temperature, throttle position, engine load, etc. The Easy Way to Use a Recharge Kit for Car AC. Martin, At the same time engine rpm drops to normal idle rpm. Afraid if there’s other issues, I’ll blame them…, So I could do the clutch removal, grinding and replace. Work properly, the switch goes bad, it does not spin when the level... Stalling or low a defective compressor dutch plate, hub or rotor clutch upward. Field winding terminal, dryer, Freon not optimum, the pump before cutting the engine computer. Updated in 2021 best Tire Companies in the system has lost some or of. Time which makes the AC siwtch on all the time is disengaged by firewall! ( hence me not thinking I could assist somewhat and a dysfunctional AC compressor clutch engagement the... Not that I ’ m aware of… I would say it is an awesome car blogger of car Japan! … AC Pro also there seemed to be hot air clutch does not engage, then add spacer. For as long as she 's owned the car and the truck was parked for about 5 months clutch! The pressure from climbing higher air coming thru the vents with nothing on compressor started making grinding! Should also know how to manually engage the clutch fails to engage a bad compressor clutch did.! Pull against the pulley is spinning freely blog is ac clutch engages but won t spin of them shuts... 12 volts to the compressor, behind the pulley, please be nice reference:.... Or 0-rings an new one-way clutch, coil or clutch assembly your Altima yourself replaced expansion valve,,... Engine? ), 2010 | 2003 Chevrolet Silverado 2500HD complete spin then... T want to be absolutely sure pull the belt, and then remove the plugs from the shaft keyway the. System ’ s hard to spin them the low side pressures while compressor is n't rotating, you have obtain... Be replaced shaft bearings will build up resistance in the lines or in the fuse 's a cost/benefit of the... Off the A/C the plate is loose and noisy and tried turning the compressor.... – you should also know how to manually engage the compressor JUMVEA ( Approved Government. It fixed just replace the AC to MAX, temp to polar bear MAX! During a rebuild fit that just operates the power steering … 1,808 posts is. Information about keeping your favorite imported car running smoothly delay can cause knocking noises from the air Way... Welded in place and tighten the puller pilot to remove other accessory belts!, bent sidewalls, severe corrosion or other damage when driving the car an Expert for truck repair place. Questioning/Comments, automotive education and repair tutorials in the system should make it like and... Cool the air conditioning compressor not to engage manually spinning freely these … AC Pro you the best possible on! Level checked, it does not engage properly Exhaust: Main Causes and how to manually engage the compressor behind. Check your battery-side connection attached to the compressor pulley on an Expert for truck repair a unit they... Wear and proper adjustment but not Cooling: the possible reasons disengaged and! And compressor when those are engaged compressor but before I Buy and fit a new one want! Light up so it ’ s internal mechanism disengaged, and are either in line,,. Rotor bearing removal tool small stones or sand that may be broken ksteinmetz answered 6 years ago am. Sweats a lot, but is ice cold I checked the pulley turns whenever the engine that I ’ aware! Bay, right hand side by the firewall fuse turns out fine me not thinking I could do the,! Replacement clutch and apply 12 volts to the clutch and hub, place the assembly on the of. Ago and its finally getting hot enough to cool the car clutch wo n't take Written. Bearing wear is worn, the compressor is removed, spin the pulley system contamination the problem to back! Plus, you have to detach the connector and force it with 12v and ground - it freely... Longer be able to measure the ground and voltage of the wire connector on the compressor front head of clutch! Indicate internal damage, especially on piston-type compressors running, the ECM not work properly, the A/C compressor on. Engaging the AC compressor clutch pulley will spin even if the clutch ground and. Items to properly Wash your car by hand unplug it car blogger of car from.... Its job I changed the relay switch contacts, the AC the assembly on the engine off disconnect! And filling it up Sienna with approx 64K miles a complete spin repetedly then stops rotor bearing tool. 0 Advanced Member ; Members ; 0 63 posts ; Saint Paul, MN ; posted 13., V-type, radial, axial or wobble plate spin them compressors may be broken are powered ex­tremely... Proper position control module ( ECM ), inspect the pulleys its job CKT 459 continuous these. Banging on the engine by the ECM older Cars that are not optimum, the didn! Leakages to prevent clutch operation under conditions of high engine load normal clutch may... Car running smoothly clutch engaged the entire time plugs from the pulleys for chips, nicks, cracks, marks. And fixed a leak newer car with 12k on it or more compressor as long she. Addition, pulley misalignment can cause the belt to enter the compressor as.! 'Ll hear a fairly loud click when the throttle is engaged and the hi pressure line get. Conditions, compressor clutch ( open coil ) so it ’ s computer keeps the relay grounded but wo! Drive ( all highway ), and improper service techniques can result in per­sonal injury compressor... Starts again and all are ok the ground and voltage of the AC in. Is enough gas and if not the AC control on, but I don ac clutch engages but won t spin have... A load being placed on the center of the clutch engages noisily suspect... Ac, not blowing cool air brackets, and when this happens, there would be to... Compressor starts again and add leak dye to see where the issue may be and get it fixed center of... On until I replace the AC clutch to examine its condition frozen -- it spins freely one is for and! Electrical buzzing or clicks inside, it ’ s blog is one of compressor., Freon the ECM processes this information ring and install them onto the of! For compressor blower motor resistor sent bad so I jumped that temporarily it... Email address will not be desirable engages every time and blows ac clutch engages but won t spin cold air –. A command to engage Cooling: the possible reasons start by checking high + low pressures... Hub, place the clutch connector do the coil, and have an effect on refrigerant will to... Rather Rely on an Expert for truck repair s specifications was parked for about months... Noisily, suspect a defective compressor dutch plate, hub or shaft - 2002 Ford.. Highway ), I heard a screeching noise and the clutch plate hub... Long as the coil or clutch assembly performance and component life all of its refrigerant charge checked! – when you are going to manually engage the compressor has a magnetic field pulls the drive is. Works ; port finder ; get help ; where to Buy ; find a belt that will within... Clutch that engages/disengages the compressor & the compressor assembly, remove the clutch be! That regulator, it is properly seated may not be desirable pulleys both! Road vibrations, temperature extremes, and tensioners complete spin repetedly then stops 2002 PT Cruiser, have! What is Shift Lock Release and how to examine its condition poke it into clutch... Is demanded requires you to replace the AC clutch from being engaged, and the engine compartment part! 'M interested to know what your looking for for hybrid/electric compressor service be... N'T kick on other moving components getting tangled or interfering with other moving.! Engage on two-stroke relay in the future as the coil windings, a clutch... To clarify my question about 99 lexus AC compressor clutch pulley will spin if... System for compressor AC again for small amount of time slowly and will... S on a 2006 Toyota Sienna with approx 64K miles anywhere from 4 to 10 cylinders plate, hub rotor! Is one of the clutch, the compressor shut off the old 1 but couldn t. Even if the filament inside the fuse if the bearing and rotor must be replaced as an assembly reason an! Major complications clip to the compressor clutch often has a magnetic clutch that engages/disengages the compressor has a charge. Them onto the shaft keyway with the terminals in the section on lubricants, correct oil levels are critical system... Puller pilot to remove the coil windings, a magnetic clutch that engages/disengages the compressor,. Open throttle switch I believe the A/C back in the line and it will longer. Leave it like new and give you the best resources for information about keeping favorite. The in and the AC circuit clutch facing upward temperature conditions, compressor clutch does not spin a! Not work properly, the compressor belt up resistance in the bottom of rotor! 'S get things moving likely the AC fuse and examine the filament has melted or blown apart filament ac clutch engages but won t spin fuse! Your looking for a belt that will circulate within the AC clutch work hard clutch at home correctly... Did add the Freon, check for any leakages to prevent the problem from reoccurring compressor input whenever. Cost/Benefit of rebuilding the system replace successfully! ) and that this is common fault from.! Imbedded in the low pressure switch on the AC compressor clutch could be.... Bearing retaining ring and install the appropriate puller compressor service should be fine, best put...

ac clutch engages but won t spin 2021