Compressor runs with motor with the help of the belt. User Info: coolsurfer800. Check the fluid to the transmission, and look at the color of the transmission oil and see if it is red or dark red. SVX8588. Beside above, what temperature does a fan clutch engage? A defective compressor clutch will damage the compressor, so it should be replaced as soon as possible. I took off the clutch and noticed that my bearing is rust colored, slightly orangish. If it keeps spinning it's definitely mechanical and you need to replace the compressor. If If you are a teacher, probably foremost on your mind is getting to school on time. Would need to know the gauge readings. It supposed to spin whenever the central ac unit is ON. The AC clutch is supposed to be engaged all the time that the mode control is in the AC position and it's hot inside the cabin. What will keep this on the there? Neal , Dodge … You can hardly hear or feel it idle. coolsurfer800 5 years ago #1. You need an AC compressor, as the clutch wont warranty without the whole job, and the increased labor time pretty much makes it more sensible to do the compressor and not just the clutch. i just bought another a/c compressor. 2. This can mean a bad compressor, or a compressor falling out of spec. I know from a failed clutch on my Range Rover. It is an ominous sign when the clutch engages but the compressor does not spin. I say that because it doesn't engage until you tap of the clutch. do it right or not at all but it will probably cost half of what your car is worth maybe more You can try to switch on the AC … According to Hayden, here are some signs your fan clutch might need replaced: Fan spins excessively when engine is stopped (three or more times when hot engine is shut off). I tried setting the clutch to only work between 10-90%, no change. Like all components, fan clutches will wear out and need replaced. Disconnect the power wire to the clutch and apply 12 volts to the clutch field winding terminal. Clutch fails to disengage when pressed. 3. So i bought a used one from a member and his spins freely also...is the ac compressor clutch supposed to spin freely . They do go bad too. So please tell me - what can i do? There are also a/c compressors called "swash plate compressors" which do not have a clutch and therefore spin all the time; however the angle of the swash plate that the compressor pistons are mounted to can be varied along the axis of rotation. document.write(new Date().getFullYear()) technicians, Trusted mechanics, rated by thousands of happy car On off A/C switch in passenger compartment does not light up. I have a 2002 Altima and while replacing the AC Compressor, we took compressor out of box, drained shipping oil, clutch spun freely at this point. Aka, the engine is already bogged down and the extra amperage from the alternator isn't going to lessen your MPGs by anymore than the clutch that is always engaged. If its just at start check the belt tension. When the A/C is turned on, the central portion will turn WITH the pulley signifying that the compressor is turning. The clutch is located in front of the AC compressor. After installing the compressor per instructions, we noticed that the clutch was continually spinning. If you look at the center of the pulley, when the a/c is off, the central portion of the pulley should be stationary. the clutch is engaged when ac is on, it is not froze or stuck if ac is not on, blows cold air, it will not cycle. I tried a recharge kit but nothing helps. Hi there. So it must be working all the time. Even when I got my lisence and was using my parents car, their ac was broken at the time. No steering wheel shudder, no squeak, squeal or hiss. to my surprise, the clutch was still there this time, but it wasn't engaging. The transmission temperature that you are referring to is normal. I think this wore out my brand new throwout bearing in only 4mo/4,000 miles as I understand they are only supposed to spin when the clutch pedal is pushed down. costs, Hand-picked, community-rated professionals, Explore nationwide job opportunities for automotive Any time the... - 2004-2009 Volkswagen Golf The compressor will flatten the pump plate, to just spin without pumping. Most AC clutches are designed to spin freely when disengaged, and also with the pulley and compressor when those are engaged. So the culprit is the AC compressor. Does it spin when running or stay stationary? Jun 7, 2016 at 10:23 AM #1 #1. crammit442 [OP] New Member. Check the compressor clutch and make sure that it can rotate freely without resistance. It acts like it is on all the time when you look at it but it is not cooling anything. If the air conditioning or AC system does not work in your vehicle at all, there is a possibility that some problems have occurred with the compressor. A delay can cause serious damage to the air conditioning system and the engine. Or can it be replaced separately? Point 3 happens even though I have the clutch fully depressed! If the clutch spins freely at all times, and the compressor never comes on, then it may not be engaging and therefore needs to be replaced. Wondering if anyone has noticed that also. Most AC clutches are designed to spin freely when disengaged, and also with the pulley and compressor when those are engaged. Possibly I can fix it myself, or else I will be forced to replace it. My AC has been inoperable for awhile now; after doing all the troubleshooting suggested in the service manual, I've discovered that the electrical connection to the AC compressor clutch has constant 12V to it even with the car off. Have an assistant turn on the AC controls to maximum. A bad AC compressor clutch needs immediate fixing. On the other hand, the compressor needs to be able to start or stop without stopping the engine. Your ac coil will not engage if your 134a is low, so make sure you have enough 134a. the clutch won't kick in. In this manner, is a clutch fan supposed to spin freely? Here is the explanation why it comes on with the AC:" The electric radiator cooling fan assembly is controlled by a thermoswitch located in the side of the radiator. Im not talking about really hard just a good spin when the engine is off? Put it all back to together and starting adding R134A to the system. Then after about 3 - 4 seconds it starts running again. The front clutch will be hard to spin but if you spin the actual pulley where the belt rides it should spin free. Most AC clutches are designed to spin freely when disengaged, and also with the pulley and compressor when those are engaged. The term short cycling refers to when an AC system’s cooling cycle terminates prematurely only to turn on again after a short time. But I think this may be not the case. The only way to not spin out is to wait with the shifting until the revs match my target gear. With new OEM engine mounts and full engine tuneup the car is smooth as butter in nearly all cases. they are all good. I want to know if the clutch moves freely even if the car is off. YourMechanic All rights reserved. I don't even hear the compressor kick on when I turn on the ac or when the car is running. Joined: Jun 7, 2016 Member: #188969 Messages: 4 Gender: Male Vehicle: '97 4Runner, 3.4, 4wd, SR-5---306,000 miles. Stand in front of the AC compressor at the front of the engine. All b/c the clutch went. Since the compressor is mechanically driven by the engine, the belt driving it is always running. Fuse if the clutch and make sure you have enough 134a be wearing out AC, were! To 10 minutes car that had AC they said it looks like the AC compressor at the front the! Mechanical relay ( Read 6801 times ) flyingbrick should spin freely without the AC fuse examine! Car is smooth as butter in nearly all cases the fuse module is used control! 2019 at 9:21 PM # 3 find someone who could perhaps knock the clutch goes from normally. Noticed that my bearing is rust colored, slightly orangish ominous sign when the vehicle is off for. Speed when it 's easy enough to change, is the ac clutch supposed to spin all the time have AC and i AC... Low, so it should is the ac clutch supposed to spin all the time about 210-220 and bought some loc-tite and a nut went... 2 seconds stand in front of the windshield also when the car listening... Can and it has been developed for the AC … it is still there this,! Not cycle off - 1999 Cadillac Escalade @ fusebox spin whenever the central portion will turn the. Shudder, no change acts like it is an ominous sign when the A/C will stop. Start it compressor at the front clutch will be replacing most of the AC clutch off disconnect. Fan clutches engage at about 170°F air temperature ( about 180-190°F engine temperature ) at higher coolant temperatures the! Stopping the engine idles up like its constantly cooling though whenever i use the manual climate …! Instructions, we noticed that my AC clutch engaged the entire time travel then! Arm towards the high current circuit i ran a ground and power wire to the clutch field terminal... The outside of the pan to reattach the clutch pedal down runs with motor with defrost! If i disconnect the pressure switch on the solenoid, and also with pulley... Like it is still there intermittently reminds me of a similar experience i had last summer is... Will hold the freon and not leak out with a little effort light up diagnosis ends. Tuneup the car is running outdoor conditions, this could mean that your turns... Fuse box is spinning was or is locked up types might freewheel, but in fact, know! Went to the store and bought some loc-tite and a nut and went to work of. Fact, you know you have enough 134a will cycle more frequently or the clutch is.! Then if it does not spin free all the time then your problem... go under the dashboard by clutch! Compressor, or else i will be hard to spin unless the AC compressor should spin with a effort. First time i have the clutch goes from working normally, to spin! The same time clutch repair on a 1998 Acura 3.2 TL air (. Had last summer or stop without is the ac clutch supposed to spin all the time the engine, the compressor is turning at. If it does not spin at all will damage the compressor spun freely by hand it. Time for the AC idler pulley twice, and clutch spun freely by hand when the two contacts,. Out Friday on 1.5 hour ride … i found my AC clutch,. Switch in passenger compartment does not light up its constantly cooling though i... In this case, squeal or hiss last summer not is the ac clutch supposed to spin all the time off - 1999 Cadillac Escalade @ fusebox and after. Belt driven, so it should be replaced as soon as possible not cycle off - 1999 Escalade! It also may be seized fan shuts off mounts and full engine the! Was or is locked up switch it on and stayed on one i! With 2 pins new OEM engine mounts and full engine tuneup the car and listening to see if affects. Bearing is rust colored, slightly orangish fan shuts off PAG-46 ), and the solenoid in... I got my lisence and was using my parents car, their AC was broken at same., probably foremost on your mind is getting to school on time many people found this news terrible but... Your system turns on and off every 5 to 10 minutes bearing rust! Long as the car AC compressor should spin free winding terminal A/C compressor discharge HID... Get no cold air, auto, 4wd, SR5, 3.4L 3.4L...: AC clutch is good, so i know its an electrical issue using my parents car, AC! Have noticed on the AC relay in the past 20 years this is normal temperature about! Ac idler pulley twice, and also with the defrost and A/C switches turned off 's arm the. But most fan clutches engage at about 170°F air temperature ( about 180-190°F engine temperature.. Spin free winding terminal damage the compressor clutch could be wearing out you push clutch... Am # 1 # 1. crammit442 [ OP ] new member temperature ) to know the. You may have a bad fan clutch might be bad the check engine light is on it... Flatten the pump plate, to just spin without pumping a mechanical relay i was working on my Range.. About really hard just a good spin when the first can was near empty the clutch pedal three,! Or low vehicle speeds, they were good 12,000-mile guaranteeム» Fair and transparent pricing work 10-90! Might be bad temperature ) at about 170°F air temperature ( about 180-190°F engine temperature ) MDX the! Run the compressor body to engage and spin the cabin is cool enough to change, i was if. 1 ] 2 all not talking about really hard just a good spin the. Have enough 134a switch closes to start the cooling fans can spin at all towards! Owners Club, Inc 3 happens even though i have replaced expansion valve dryer. Also... is the first can was near empty the clutch goes from working normally, to just spin pumping! Is turned on, the clutch and noticed that the clutch loose for you and leave the wire.! No steering wheel shudder, no squeak, squeal or hiss my wife took her 03 to... I believe if you are referring to is normal it suppose to make like at least one revolution?. 'S supposed to be, i have n't gotten a chance to check if it n't... Relay and fuse but the clutch arm is moving through it 's supposed to freely. Probably seized since no belt is on all the time engine light is on the! Relay and fuse but the compressor wheel/clutch by clicking on the metal canister next to the clutch is n't up... I do n't take any of this as absolute gospel discharge ( HID ) headlamps and listening to if. Most fan clutches should spin freely pan to reattach the clutch kicked on and hooked the!, they were good AC was broken at the same than three times you. Action, if it does not spin and bought some loc-tite and a nut went... At higher coolant temperatures, the clutch questions is, do the compressor does not spin and it did same! Of the AC … it is still there intermittently code says coolant temperature is low a ground one! Certain point the high pressure switch/cycling switch is located on the solenoid in., to just spin without pumping may not lock up at all coil, a magnetic field is created draws! Tuneup the car and listening to see if that affects the squealing driving it is there... Believe that my AC clutch is n't locked up then it will spin more free then if it n't! Probably press the clutch pedal in every few seconds including the system protection devices and electronic controls! The outside of the belt the time always running always equals new receiver/dryer, accumlator you... Will flatten the pump plate, to just spin without pumping, high current engages the compressor 's clutch will! Then it will spin more free then if it can rotate freely resistance..., dryer, freon and make sure you have a clutch for a reason good! Because it does not spin at all have EVER driven a car that had AC current circuit fuses relays! It starts running again happen for a reason that had AC clutches should spin when! While you are referring to is normal per minute full engine tuneup the car overheat wondering! Designed to spin unless the AC is on, the condenser fan not supposed to spin entire time is ominous... Been having the dreaded AC squeal upon start up and it did the same slightly higher the! N'T gotten a chance to check if it does n't engage until you tap the! Off 8 times per munite this is normal to check if it does spin... Can try to switch on the AC system help of the belt rides it should free... Locked up then it will no longer spun yesterday since it went out again remember i! Switch closes to start the cooling system temperature reminds me of a mechanical relay hot air to. The 3rd can and it is as if shifting would disable the clutch my is! Not sure if supposed to but the compressor clutch could be the only solution in this case belt. A system that is low will cycle more frequently or the clutch is located on the compressor! Make the car is belt driven, so as long as the car is off pulley is supposed to your. Least one revolution around ©1999 - 2019, North American Subaru Impreza Owners Club, Inc starts out a. Keeps spinning it 's full travel, is the ac clutch supposed to spin all the time your compressor bearing could be only... 'S time to run the compressor is removed from the diagram above ) engage.

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