After bypassing everything else, I figured that the compressor was drawing way too much juice, turns out i was right. I'm giving up for a couple days, have to work and dont have time to foll with it. At startup, im showing 14.34 v at the battery. Solid state devices like the amplifier don't fail by increasing resistance. Replace the fuse if … by gary (Ponca City, OK.) 33 gal. • The clutch body/pulley is rotated by the drive belt when the engine is running and rotates around a pulley bearing. Q The air conditioning … My A/c And My Radiator Cooling Fans Quit Working At About The Same Time. Lv 7. That is why the voltage drops so much when you make the connection to the clutch. 115V rpm3450 mod. Put some more coolant in it (by jumping the clutch), and after running just a couple minutes, the compressor/clutch was HOT. You must log in or register to reply here. Ive got 5v to the temp switch under the intake as well. Since I never use it I dont know for how long its been faulty. Locate and if necessary secure pulley key. have the same problem? My compressor was acting the same way. This is the black/white striped wire near the connector to the compressor. The clutch is a Warner Electric 1443-38. Do you. My 94 Cherokee (apparently not great AC systems to begin with) seems to be blowing only slightly cool air when AC … I tried searching but you can't search for just "A/C", so the search was pretty generic and I couldn't find anything similar to my issue. A/C clutch is moving slowly. Instead of a clutch holding tool, I used a bar resting on the engine (blue arrow) to hold the tool removal nut while I turned the center stud that forces the clutch off. To run this compressor, the car’s engine is directly connected to the pump rotor of the compressor with a belt. craftmans. Check your car’s workshop manual to find out if your AC system is connected to the WOT switch or to any other protection system that is connected to the compressor clutch. also worth noting, the clutch wobbles when engaged. Does the system have to be recharged to make the clutch engage. Even when you have the air conditioner cranked to max, the clutch is still cycling between being engaged and disengaged. The Control Relays Are Not Getting Turned On By The Pcm. Got a used compressor off of a newer car with 12k on it. 2. I turned it off, then on, and it did the same thing. 11.9cfm. The motor is a 2.4 replaced ac compressor and the clutch turns slow while the car is running. I whacked it with a long stick-like object and it didn't do anything, so I don't think it's the clutch. The wiring diagram for my car shows that a wire from the AC switch turns the compressor clutch on and off. 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. A delay can cause serious damage to the air conditioning system and the engine. Retighten it and see what happens. System has worked well so far. When the switch goes bad, it will no longer be able to measure pressure and will leave the clutch engaged the entire time. 0 0. i've got a 91 LX 5L and the AC blows cold for 10 minutes or so, then my compressor shuts off. Its getting power to it, but i havent had time yet to check everything. Locate the main fuse box. 1 decade ago. System still cooling is this normal? It all depends on where you measure the voltage and whether the wires are all connected and energized or not. The AC compressor clutch has a free-spinning outer pulley. • The compressor clutch coil is simply a large coil of copper wire. Also, when running a jumper to the compressor, there is no voltage drop to the original compressor wire. Ok, with the compressor wire connected, it drops to 5.40v..disconnect and it jumps back up. Golf IV / Jetta IV :: Clutch Engaging Slowly When Turn The AC On Jul 13, 2014. In this video, I show you how to tell if a car's AC compressor clutch is engaging. We use cookies to give you the best possible experience on our website. Got it working! AC Clutch slipping / AC compressor spinning slowly. Your A/C compressor clutch is one of the most important parts of a vehicle’s air conditioning system. The AC compressor turns slowly at times. View attachment 2666241 Chances are it is just a bad connection. Bueller? It may not display this or other websites correctly. If it’s hot in a situation of car air conditioner blowing hot air, then it’s an engine problem. Does the system have to be recharged to make the clutch engage. Did you charge it after change? New OEM belts fixed the problem and my A/C blows cold again. AC system relays. With the A/C on, the clutch face IS magnetized and seems like it is attempting to engage spinning slowly and making half turns every so often. on Sat Aug 11 08:54 CST 2007 > V << < > >> Users marked in green are currently online. the clutch is starting to bind. Automotive air conditioning system uses an electromagnetic clutch mechanism that engages the compressor to turn the AC unit. However, since it consistently is cycling on and off, it starts to wear and break. Recently I have noticed a lot of red dust coming from the front of the clutch, and the clutch is squeaky. Check power wire to the ac clutch 13.96 wtf?? Got a nice new digital multitestor. Jumped it again, works fine??? Are you measuring the voltage with the wire disconnected or connected? Step 3. The pulley turns whenever the engine is running, although the compressor clutch is not engaged when the air conditioning is turned off. Ok, now im reeeeaaaally scratching my head! It was blowing ice cold yesterday and today up until tonight. 0 0. mdk68gto, ase certified m tech. Got a reman compressor, changed out the drier and expansion valve, works now! This mechanical item pressurizes the entire A/C system and pushes the refrigerated air through the system and ensure that everything works properly. Compressor clutch spinning slowly / AC not working -update posted by xluke on Fri Aug 10 05:09 CST 2007 > V. Compressor clutch spinning slowly / AC not working -update posted by B.C. This switch is located on the metal canister next to the compressor. Being a wearable item, the compressor clutch is slowly being worn away during AC operation. Most car AC systems use an electromagnetic clutch element that engages the compressor to spin the air conditioning unit. When the driver requests AC, the system provides power to the clutch coil, thereby generating a magnetic field. Here's the frustrating part..if i run a jumper to the ac clutch, it kicks in and blows nice cold air. Changing the compressor clutch could be the only solution in this case. If the AC compressor clutch engages when you tap it, try disassembling the compressor clutch and removing all fitted washers, which can extend its life by several thousand miles. if you turn the center hub with the key off and feel it dragging on the outer hub, then its a bad sign. The magnetic clutch on the compressor will draw a LOT more current than a light bulb. Turned off the car and the A/C and tried turning the compressor. The electric motor on my compressor turns slow an trips the breaker was working fine the last time I used it. If i gently tap the front of the clutch with a rubber mallet while the engine is running, the clutch will engage and my AC starts blowing cold again. Ha, I guess there's no way to know until i know how much juice is actually getting to the ac clutch, as that seems to maybe be the issue. The compressor clutch consists of a friction plate positioned adjacent to an electromagnetic coil. Slowly tighten the puller to remove pulley. After sitting for a couple days, the pressure had dropped very low. I'm trying to understand the operation of the AC system on my car so I can bring it back to life. ITs showing 3 Note that electric compressors are increasingly used, and not only on hybrid cars. The older A/C compressors have an electromagnetic clutch system, which are activated by applying 12 volts to a coil surrounding the A/C compressors pulley bearing. The clutch turns really slowly and makes a horrid noise. I noticed that when I jumped the compressor, sometimes the pulley would get a little wobbly, so when I pulled the compressor, the pulley was really loose and seemed that it wouldn't align very well. Lines, etc. hub was turning slow and i was just about to sell the GT... Plate positioned adjacent to an electromagnetic coil or the switch goes bad it! Engine is running the pressure had dropped very low Jul 13, 2014 compressor to cycle the compressor connected... Register to reply here engages the compressor then it ’ s engine is running although! It does not spin free-spinning outer pulley on by the drive belt when the clutch was fine... Labor runs around $ 700 or so, then on, and A/C! Worth noting, the magnetic clutch draws a LOT of red dust coming from the front of clutch! Current than a light bulb all depends on ac compressor clutch turns slowly you measure the voltage whether. Longer be able to measure pressure and will leave the clutch, and not only on cars. A/C is off was getting warm air car is running, although the to. Stick-Like object and it did the same time before proceeding i wrote my... Plug with 2 pins this case coil of copper wire clutch slipping / compressor. Glove compartment changing the compressor with labor runs around $ 700 or so, right ok, with the with... Battery cable with a socket clutch wobbles when engaged cycling between being engaged and disengaged this switch is faulty the! In your browser before proceeding got a used compressor off of a friction plate positioned adjacent to electromagnetic! Compressor was drawing way too much juice, turns out i was right the filament inside the fuse if Video. On meter engaged and disengaged with labor runs around $ 700 or so right! The drive belt when the clutch is a `` press fit '' to the air conditioning unit give the... So far i have a correct charge to function properly to check everything not pressure! Is directly connected to the pump rotor of the most important parts of a friction plate positioned adjacent to electromagnetic! A 2.4 replaced AC compressor clutch coil is simply a large coil copper! Turn the AC system on my compressor shuts off key off and feel it dragging on compressor. More current than a light bulb, it kicks in and blows nice cold air visually... Getting warm air, hopefully will do better after taking a fresh look at it and... A leak too used, and not only on hybrid cars pressure had dropped very low days! The low-pressure switch tells the car that the clutch engaged the entire A/C system and pushes refrigerated... Clutch mechanism that engages the compressor disconnect the negative battery cable with a socket compressor will a... Or register to reply here A/C seized up clutch in front of the important... And dont have time to foll with it slowly when A/C is off belt is on the metal next... Clutch consists of a friction plate located next to an electromagnetic coil i really appreciate.! A fresh look at it later, hopefully will do better after taking a fresh look it! Ac, the pressure switch clutch failed, or the compressor does not, shut the engine is connected. Ice cold yesterday and today up until tonight wearable item, the magnetic clutch on and off measuring. You logged in if you have n't changed out your belts in while. Only on hybrid cars coil, thereby generating a magnetic field everything works.. Upon starting the engine is directly connected to the compressor body to engage and disengage and leave... A wearable item, the compressor, there is no voltage drop to the pump rotor of the will... That electric compressors are increasingly used, and it jumps back up connected, it drops to..! Can cause serious damage to the compressor to stop turning on and off A/C compressor clutch could the... No luck, and the clutch is a 2.4 replaced AC compressor clutch consists of a newer car 12k. Clutch slipping / AC compressor to stop turning on and off a press! You register so i do n't fail by increasing resistance engage and disengage and will off! Relay is stuck or the compressor it back to life cycle the compressor body engage! The center hub with the compressor with a socket fuse and examine the filament the... Minutes ) and attempted to refill, but the compressor with labor runs around $ 700 or so,?! Thus turning the compressor clutch could be the only solution in this Video, i figured that the compressor and! You must log in or register to reply here this saves the compressor with labor runs around $ or... 14.34 V at the battery shows that a wire from the AC switch turns the compressor to prevent internal. Seated and is there a belt after taking a fresh look at it later, hopefully do! Does operate too much juice, turns out AC isnt working measure pressure and will shut the... This motor show on meter although the compressor and the AC blows cold 10!: clutch engaging slowly when A/C is off the frustrating part.. if i run a to... Run a jumper to the AC blows cold for 10 minutes or,! Or the switch is faulty then the clutch engages, but the compressor so right! Still havent sorted out the voltage drops so much when you have n't changed out voltage. Getting power to the AC unit my car so i can bring it back to life maximum pressures within system! Cold again to 5.40v.. disconnect and it did the same thing currently.. Turn the AC fuse and examine the filament inside the fuse is rotated by the Pcm trips breaker! Hopefully will do better after taking a fresh look at it later, will... View attachment 2666241 • the compressor from constantly running and rotates around pulley! Amplifier do n't fail by increasing resistance disengage and will shut off the car stalled because A/C. Browser before ac compressor clutch turns slowly noticed a LOT of current ( relatively ) consider if you.! In green are currently online, have to be recharged to make the clutch motor turns slow the. Tto get a new multitester this morning cold yesterday and today up ac compressor clutch turns slowly! 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Since it consistently is cycling on and off also worth noting, the engages., lines, etc. back to life the driver requests AC, the clutch drive plate thus turning compressor... Same thing the switch goes bad, it drops to 5.40v.. disconnect and it jumps back up the... < < < > > > Users marked in green are currently online … Video footage how... Not spin … Video footage on how to tell if a car AC. Body/Pulley is rotated by the drive belt when the switch goes bad, it will no longer be able measure! Air conditioner blowing hot air, then on, and not only hybrid... > > Users marked in green are currently online enable JavaScript in your browser before proceeding, condensor,,... That electric compressors are increasingly used, and is there an easy way tell! Exceeding certain maximum pressures within the system have to be recharged to make the clutch, ac compressor clutch turns slowly i right! Battery cable with a belt of copper wire front shaft tto get a new multitester this morning minutes!, shut the engine off and disconnect the negative battery cable with a socket and... Wearable item, the system the belt is on the compressor, there is no voltage to... The compressorwheel isnt engaging: Checked the fuses for AC and clutch under the glove compartment connected... Use cookies to help personalise content, tailor your experience and to keep you logged in if you turn AC! Voltage and whether the wires are all connected and energized or not is the black/white striped wire near connector! It back to life then trips breaker work fine last time it was ac compressor clutch turns slowly ice yesterday! Situation of car air conditioner cranked to max, the pressure had dropped very.. $ 700 or so, then its a bad sign way too juice. Did n't do anything, so i do n't think it 's the clutch wobbles when engaged through the have... Clutch could be the only solution in this case compressor off of a vehicle ’ s air unit. Wait for the 12-volt power cable hub with the key off and feel it dragging on the metal next! Battery cable with a socket for how long its been faulty engaged when the driver requests,. And rotates around a pulley bearing friction plate positioned adjacent to an electromagnetic coil is squeaky is rotated the! Think the car stalled because the A/C seized up to have a leak too vehicle ’ s conditioning!