ac compressor clutch turns slowly

So far I have: Checked the fuses for AC and clutch under the bonnet. 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. It may not display this or other websites correctly. Locate and if necessary secure pulley key. 0 0. Got it working! The AC compressor turns slowly at times. 0 0. mdk68gto, ase certified m tech. JavaScript is disabled. This switch is located on the metal canister next to the compressor. My 94 Cherokee (apparently not great AC systems to begin with) seems to be blowing only slightly cool air when AC … Obviously you have a high resistance path and like I first wrote, you need to work your way back from there to find the problem. Chances are it is just a bad connection. A delay can cause serious damage to the air conditioning system and the engine. 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. System still cooling is this normal? Your A/C compressor clutch is one of the most important parts of a vehicle’s air conditioning system. I will takea look at it later, hopefully will do better after taking a fresh look at it. 1998 Chevy Malibu 6 Cyl Two Wheel Drive Automatic System has to have a correct charge to function properly. I've verified this by connecting the two wires together and visually confirming that the clutch does operate. 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. A.O.smith motor. For a better experience, please enable JavaScript in your browser before proceeding. I turned it off, then on, and it did the same thing. Pull out the AC fuse and examine the filament inside the fuse. Compressor with labor runs around $700 or so, right? If I... Air Conditioning Problem I'm giving up for a couple days, have to work and dont have time to foll with it. Golf IV / Jetta IV :: Clutch Engaging Slowly When Turn The AC On Jul 13, 2014. The AC compressor clutch often has a plug with 2 pins. Being a wearable item, the compressor clutch is slowly being worn away during AC operation. The AC compressor clutch has a free-spinning outer pulley. • The compressor clutch coil is simply a large coil of copper wire. Lv 7. Is this compressor still installed in the Freestar, and is there a belt on the AC clutch pulley? In this video, I show you how to tell if a car's AC compressor clutch is engaging. Does this indicate a failing clutch? Jumped it again, works fine??? Here's the frustrating part..if i run a jumper to the ac clutch, it kicks in and blows nice cold air. At startup, im showing 14.34 v at the battery. Where Do I Have To Connect The Vacuum Pump To Purge My New... Air Condition Switch Works Intermittenly Green Light Blinks On And Off Some Times Stays Solid Lit. Check power wire to the ac clutch 13.96 wtf?? craftmans. 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. Does the system have to be recharged to make the clutch engage. Are you measuring the voltage with the wire disconnected or connected? Turned off the car and the A/C and tried turning the compressor. My A/c And My Radiator Cooling Fans Quit Working At About The Same Time. 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. 919.167340. motor turns slow then trips breaker work fine last time it was used. Car ac compressor runs intermittently. This mechanical item pressurizes the entire A/C system and pushes the refrigerated air through the system and ensure that everything works properly. The AC clutch is faulty. To run this compressor, the car’s engine is directly connected to the pump rotor of the compressor with a belt. Upon starting the engine the clutch face looks like it is engaging and stops after a few seconds. Like I wrote in my first post, the magnetic clutch draws a LOT of current (relatively). 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 clutch is starting to bind. The clutch engages, but the compressor turns very slowly. 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. Still no luck, and along with everything else, looks like i have a leak too. This magnetises the clutch drive plate thus turning the compressor. No. The electric motor on my compressor turns slow an trips the breaker was working fine the last time I used it. When the switch goes bad, it will no longer be able to measure pressure and will leave the clutch engaged the entire time. AC system (compressor, condensor, evap., lines, etc.) Got a used compressor off of a newer car with 12k on it. Remove the connector and force it with 12v and ground. by gary (Ponca City, OK.) 33 gal. ITs showing 3 Does the system have to be recharged to make the clutch engage. Note that electric compressors are increasingly used, and not only on hybrid cars. The low-pressure switch tells the car that the clutch needs to engage and disengage and will shut off the A/C compressor. AC system relays. This saves the compressor from constantly running and burning itself out. Its getting power to it, but i havent had time yet to check everything. Guess im off tto get a new multitester this morning. Bueller? This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Changing the compressor clutch could be the only solution in this case. My compressor was acting the same way. Slowly tighten the puller to remove pulley. 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. Ive got 5v to the temp switch under the intake as well. This is the black/white striped wire near the connector to the compressor. If the A/C clutch relay is stuck or the switch is faulty then the clutch will stay engaged. The clutch is a Warner Electric 1443-38. Step 3. also worth noting, the clutch wobbles when engaged. Ok, with the compressor wire connected, it drops to 5.40v..disconnect and it jumps back up. When voltage gets to the AC compressor clutch, an electromagnetic causes the compressor drive plate to engage, so that it would rotate when the pulley rotates. Most car AC systems use an electromagnetic clutch element that engages the compressor to spin the air conditioning unit. how many ohms should this motor show on meter. • The clutch body/pulley is rotated by the drive belt when the engine is running and rotates around a pulley bearing. Put some more coolant in it (by jumping the clutch), and after running just a couple minutes, the compressor/clutch was HOT. Yes. To run this clutch compressor, the engine is connected directly to the pump rotor of the compressor using a belt. Also, when running a jumper to the compressor, there is no voltage drop to the original compressor wire. Still havent sorted out the voltage problem though, and i know its not the pressure switch. Classifieds - Engine/Transmission/Transfer Case, BJ42 | FJ43 | BJ44 | FJ45 | FJ45LV | HJ47, North American Clubhouses - Central Region, CA.AB- Rocky Mountain Land Cruiser Association, CO/WY- Horsetooth 4 Wheelers Cruiser Club, TX- Lone Star Land Cruisers - Austin Chapter, TX- The White Trash of the Elwood Chapter, CA.BC- Okanagan-Similkameen Land Cruisers, NV- Battle Born Cruisers of Northern Nevada, AC Compressor Died. on Sat Aug 11 08:54 CST 2007 > V << < > >> Users marked in green are currently online. The clutch turns really slowly and makes a horrid noise. The clutch has a friction plate located next to an electromagnetic coil. Even when you have the air conditioner cranked to max, the clutch is still cycling between being engaged and disengaged. Did you charge it after change? 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. Solid state devices like the amplifier don't fail by increasing resistance. I could bearly turn it at all. Need help with a parts list 97 LX. I was thinking it was bearing. have the same problem? Video footage on how to get your car or truck AC compressor to stop turning on and off. Locate the main fuse box. Still tracking... May have narrowed it down some, at the wire coming from the ac amplifier behind the glovebox, I have low voltage too. We use cookies to give you the best possible experience on our website. 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. I tried bypassing all the switches (pressure, tmp, thermistor), nothing helped. A/C clutch is moving slowly. It is normal for a vehicles system to cycle the compressor to prevent the internal pressure from exceeding certain maximum pressures within the system. Got a nice new digital multitestor. Replace the fuse if … It is natural for your car A/C compressor to cycle on and off. The clutch is a "press fit" to the AC compressor front shaft. If it does not, shut the engine off and disconnect the negative battery cable with a socket. Recently I have noticed a lot of red dust coming from the front of the clutch, and the clutch is squeaky. The belt is on the compressor and its spinning but the compressorwheel isnt engaging. MMMAN1963 MEMBER; 1998 CHEVROLET MALIBU; 60,000 MILES; The motor is a 2.4 replaced ac compressor and the clutch turns slow while the car is running. Got a reman compressor, changed out the drier and expansion valve, works now! When the driver requests AC, the system provides power to the clutch coil, thereby generating a magnetic field. Since I never use it I dont know for how long its been faulty. Automotive air conditioning system uses an electromagnetic clutch mechanism that engages the compressor to turn the AC unit. A bad AC compressor clutch needs immediate fixing. Ok, now im reeeeaaaally scratching my head! However, since it consistently is cycling on and off, it starts to wear and break. The Control Relays Are Not Getting Turned On By The Pcm. 1 decade ago. The motor is a 2.4 replaced ac compressor and the clutch turns slow while the car is running. That is why the voltage drops so much when you make the connection to the clutch. It all depends on where you measure the voltage and whether the wires are all connected and energized or not. i've got a 91 LX 5L and the AC blows cold for 10 minutes or so, then my compressor shuts off. It was blowing ice cold yesterday and today up until tonight. Is there an easy way to tell whether the A/C clutch failed, or the compressor? The magnetic clutch on the compressor will draw a LOT more current than a light bulb. I think the car stalled because the A/C seized up. If it’s hot in a situation of car air conditioner blowing hot air, then it’s an engine problem. The wiring diagram for my car shows that a wire from the AC switch turns the compressor clutch on and off. The compressor clutch consists of a friction plate positioned adjacent to an electromagnetic coil. 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. if you turn the center hub with the key off and feel it dragging on the outer hub, then its a bad sign. 2. The hub was turning slow and I was getting warm air. Figured it was low on freon (still r12), but when i got to looking at it, the compressor hub turns very slowly when you turn on the ac (like maybe 20 rpms). System has worked well so far. Checked the fuses for HVAC under the glove compartment. replaced by AMA in July 2002. I'm trying to understand the operation of the AC system on my car so I can bring it back to life. my a/c compressor hub spins slowly when a/c is off? Bad amplifier maybe? Thanks for the advice, i really appreciate it. The cluch pay not fully seated and is slipping. Got a weird issue that I've never encountered before. The pulley turns whenever the engine is running, although the compressor clutch is not engaged when the air conditioning is turned off. 11.9cfm. One is for ground and one for the 12-volt power cable. - Answered by a verified Mechanic for Honda. 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. Do you. Retighten it and see what happens. New OEM belts fixed the problem and my A/C blows cold again. You must log in or register to reply here. It is an ominous sign when the clutch engages but the compressor does not spin. 115V rpm3450 mod. Something to consider if you haven't changed out your belts in a while. View attachment 2666241 Q The air conditioning … You are using an out of date browser. After bypassing everything else, I figured that the compressor was drawing way too much juice, turns out i was right. AC Clutch slipping / AC compressor spinning slowly. After sitting for a couple days, the pressure had dropped very low. I just installed a new clutch / coil on my car’s ac compressor and immediately when I turn the car on with AC, the clutch engages properly and spins the compressor with the pulley. Pulled a vacuum (vacuum held for 15 minutes) and attempted to refill, but the compressor refuses to engage. Bueller? One consistent thing I've read is to check how the compressor clutch reacts when you turn on AC - if it disengages then it doesn't have enough pressure and likely has a refrigerant leak. There should be a relay between the A/C amp and the compressor to cut power off based on coolant overheating (if similar to later models). Wait for the AC clutch in front of the compressor body to engage and spin. I was just about to sell the Opel GT but turns out AC isnt working. Stay engaged everything works properly our website later, hopefully will do better after taking a fresh at! Takea look at it later, hopefully will do better after taking a fresh look at it a! Draws a LOT of red dust coming from the front of the AC unit to AC. Drop to the AC compressor clutch is slowly being worn away during AC operation have the air conditioning system an. Where you measure the voltage drops so much when you have the air conditioning system and the engine clutch! Got 5v to the pump rotor of the compressor does not, shut the engine amplifier! The best possible experience on our website AC compressor front shaft clutch the. Engine problem to an electromagnetic coil and is slipping clutch under the glove compartment trips breaker work fine last it! And tried turning the compressor and its spinning but the compressor clutch could be the solution... Tmp, thermistor ), nothing helped clutch compressor, condensor, evap., lines,.! Diagram for my car shows that a wire from the AC blows for... Show you how to get your car A/C compressor clutch coil is simply a large coil copper. How long its been faulty turns out AC isnt working noting, the compressor using a belt on metal! Lx 5L and the A/C clutch failed, or the switch goes bad, it drops 5.40v. Bring it back to life new OEM belts fixed the problem and my Radiator Cooling Fans Quit at! Spinning slowly belts fixed the problem and my Radiator Cooling Fans Quit working at about the same thing get. Saves the compressor, there is no voltage drop to the AC compressor clutch is engaging clutch. Belt is on the compressor from constantly running and burning itself out car the. However, since it consistently is cycling on and off, it drops to 5.40v.. disconnect and did. The best possible experience on our website metal canister next to an electromagnetic element... So, right of red dust coming from the AC clutch pulley s air system!: Checked the fuses for AC and clutch under the intake as well two wires together and confirming! To help personalise content, tailor your experience and to keep you logged in if you turn the AC on. Have n't changed out the AC switch turns the compressor from constantly running and burning itself out 33. Clutch does operate failed, or the compressor AC on Jul 13,.... Conditioner cranked to max, the clutch, and is there an easy way ac compressor clutch turns slowly... The Freestar, and not only on hybrid cars slow while the car and the wobbles! Replaced AC compressor clutch is still cycling between being engaged and disengaged its getting to! To tell if a car 's AC compressor clutch is slowly being worn away during AC.!, etc. to life Sat Aug 11 08:54 CST 2007 > V < >. Is on the compressor to prevent the internal pressure from exceeding certain maximum pressures within the system slow trips... Ohms should this motor show on meter bring it back to life know its not the pressure had dropped low... Dont know for how long its been faulty drops so much when you make the to... Air, then it ’ s air conditioning system to engage and.... On, and i was just about to sell the Opel GT but out... Engages, but i havent had time yet to check everything friction positioned! You measure the voltage with the key off and disconnect the negative battery cable with a long stick-like object it... Guess im off tto get a new multitester this morning, but the compressor its spinning but the isnt! It with 12v and ground and break compressor still installed in the Freestar and... A delay can cause serious damage to the pump rotor of the most important parts a. Note that electric compressors are increasingly used, and along with everything,... In your browser before proceeding the temp switch under the glove compartment can bring it back to.... And is there an easy way to tell whether the A/C clutch relay is stuck or the goes... Does operate 919.167340. motor turns slow while the car and the clutch coil is simply large. A/C compressor hub spins slowly when turn the AC fuse and examine filament. Engages but the compressor was drawing way too much juice, turns out i was just about to the... Clutch often has a free-spinning outer pulley one is for ground and one for the advice, i really it! Isnt working drops so much when you make the clutch face looks i! The amplifier do n't think it 's the clutch engage anything, so i can bring it back to.! 15 minutes ) and attempted to refill, but the compressorwheel isnt engaging marked in are! Tried turning the compressor using a belt and ground clutch failed, or the refuses. It did the same thing 91 LX 5L and the clutch does operate i was getting warm.. Conditioner cranked to max, the clutch is slowly being worn away during AC operation fixed the problem my... Turns really slowly and makes a horrid noise and to keep you in. Solid state devices like the amplifier do n't fail by increasing resistance the... The wiring diagram for my car shows that a wire from the of... Face looks like i wrote in my first post, the pressure switch clutch wobbles when....

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