A.O.smith motor. At startup, im showing 14.34 v at the battery. A/C clutch is moving slowly. - Answered by a verified Mechanic for Honda. 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. Bueller? AC system relays. It may not display this or other websites correctly. Pull out the AC fuse and examine the filament inside the fuse. You must log in or register to reply here. Still no luck, and along with everything else, looks like i have a leak too. 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. View attachment 2666241 Is this compressor still installed in the Freestar, and is there a belt on the AC clutch pulley? Is there an easy way to tell whether the A/C clutch failed, or the compressor? Yes. Note that electric compressors are increasingly used, and not only on hybrid cars. also worth noting, the clutch wobbles when engaged. The Control Relays Are Not Getting Turned On By The Pcm. 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. AC Clutch slipping / AC compressor spinning slowly. The AC compressor turns slowly at times. Got a used compressor off of a newer car with 12k on it. Ok, now im reeeeaaaally scratching my head! by gary (Ponca City, OK.) 33 gal. Your A/C compressor clutch is one of the most important parts of a vehicle’s air conditioning system. The AC compressor clutch often has a plug with 2 pins. It all depends on where you measure the voltage and whether the wires are all connected and energized or not. Compressor with labor runs around $700 or so, right? To run this compressor, the car’s engine is directly connected to the pump rotor of the compressor with a belt. craftmans. The magnetic clutch on the compressor will draw a LOT more current than a light bulb. 0 0. I've verified this by connecting the two wires together and visually confirming that the clutch does operate. 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. After sitting for a couple days, the pressure had dropped very low. Car ac compressor runs intermittently. replaced by AMA in July 2002. I was just about to sell the Opel GT but turns out AC isnt working. Does the system have to be recharged to make the clutch engage. A bad AC compressor clutch needs immediate fixing. 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). This switch is located on the metal canister next to the compressor. Jumped it again, works fine??? • The compressor clutch coil is simply a large coil of copper wire. In this video, I show you how to tell if a car's AC compressor clutch is engaging. Put some more coolant in it (by jumping the clutch), and after running just a couple minutes, the compressor/clutch was HOT. on Sat Aug 11 08:54 CST 2007 > V << < > >> Users marked in green are currently online. This magnetises the clutch drive plate thus turning the compressor. Bueller? 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. Got a reman compressor, changed out the drier and expansion valve, works now! my a/c compressor hub spins slowly when a/c is off? Even when you have the air conditioner cranked to max, the clutch is still cycling between being engaged and disengaged. The pulley turns whenever the engine is running, although the compressor clutch is not engaged when the air conditioning is turned off. ITs showing 3 You are using an out of date browser. Like I wrote in my first post, the magnetic clutch draws a LOT of current (relatively). Bad amplifier maybe? • The clutch body/pulley is rotated by the drive belt when the engine is running and rotates around a pulley bearing. Since I never use it I dont know for how long its been faulty. Also, when running a jumper to the compressor, there is no voltage drop to the original compressor wire. Video footage on how to get your car or truck AC compressor to stop turning on and off. This saves the compressor from constantly running and burning itself out. When the driver requests AC, the system provides power to the clutch coil, thereby generating a magnetic field. 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. how many ohms should this motor show on meter. That is why the voltage drops so much when you make the connection to the clutch. The clutch engages, but the compressor turns very slowly. 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. Upon starting the engine the clutch face looks like it is engaging and stops after a few seconds. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Got a nice new digital multitestor. My A/c And My Radiator Cooling Fans Quit Working At About The Same Time. The motor is a 2.4 replaced ac compressor and the clutch turns slow while the car is running. 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. Recently I have noticed a lot of red dust coming from the front of the clutch, and the clutch is squeaky. 0 0. mdk68gto, ase certified m tech. A delay can cause serious damage to the air conditioning system and the engine. To run this clutch compressor, the engine is connected directly to the pump rotor of the compressor using a belt. Step 3. Did you charge it after change? Locate the main fuse box. Thanks for the advice, i really appreciate it. Replace the fuse if … the clutch is starting to bind. Solid state devices like the amplifier don't fail by increasing resistance. I'm trying to understand the operation of the AC system on my car so I can bring it back to life. 2. Changing the compressor clutch could be the only solution in this case. The low-pressure switch tells the car that the clutch needs to engage and disengage and will shut off the A/C compressor. New OEM belts fixed the problem and my A/C blows cold again. if you turn the center hub with the key off and feel it dragging on the outer hub, then its a bad sign. 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. The cluch pay not fully seated and is slipping. 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. Q The air conditioning … Being a wearable item, the compressor clutch is slowly being worn away during AC operation. I was thinking it was bearing. The electric motor on my compressor turns slow an trips the breaker was working fine the last time I used it. AC system (compressor, condensor, evap., lines, etc.) The clutch turns really slowly and makes a horrid noise. Need help with a parts list 97 LX. The hub was turning slow and I was getting warm air. 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. 11.9cfm. 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. If I... Air Conditioning Problem Its getting power to it, but i havent had time yet to check everything. My compressor was acting the same way. Does this indicate a failing clutch? have the same problem? However, since it consistently is cycling on and off, it starts to wear and break. Got a weird issue that I've never encountered before. The clutch is a "press fit" to the AC compressor front shaft. 919.167340. motor turns slow then trips breaker work fine last time it was used. The clutch is a Warner Electric 1443-38. 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. Pulled a vacuum (vacuum held for 15 minutes) and attempted to refill, but the compressor refuses to engage. 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. 115V rpm3450 mod. We use cookies to give you the best possible experience on our website. If the A/C clutch relay is stuck or the switch is faulty then the clutch will stay engaged. Still havent sorted out the voltage problem though, and i know its not the pressure switch. After bypassing everything else, I figured that the compressor was drawing way too much juice, turns out i was right. Wait for the AC clutch in front of the compressor body to engage and spin. The AC compressor clutch has a free-spinning outer pulley. The belt is on the compressor and its spinning but the compressorwheel isnt engaging. 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. Remove the connector and force it with 12v and ground. No. Slowly tighten the puller to remove pulley. It was blowing ice cold yesterday and today up until tonight. i've got a 91 LX 5L and the AC blows cold for 10 minutes or so, then my compressor shuts off. Most car AC systems use an electromagnetic clutch element that engages the compressor to spin the air conditioning unit. If it does not, shut the engine off and disconnect the negative battery cable with a socket. I tried bypassing all the switches (pressure, tmp, thermistor), nothing helped. Automotive air conditioning system uses an electromagnetic clutch mechanism that engages the compressor to turn the AC unit. Turned off the car and the A/C and tried turning the compressor. Ive got 5v to the temp switch under the intake as well. System has worked well so far. Locate and if necessary secure pulley key. 1 decade ago. Are you measuring the voltage with the wire disconnected or connected? I will takea look at it later, hopefully will do better after taking a fresh look at it. This is the black/white striped wire near the connector to the compressor. System has to have a correct charge to function properly. So far I have: Checked the fuses for AC and clutch under the bonnet. When the switch goes bad, it will no longer be able to measure pressure and will leave the clutch engaged the entire time. Still tracking... May have narrowed it down some, at the wire coming from the ac amplifier behind the glovebox, I have low voltage too. Ok, with the compressor wire connected, it drops to 5.40v..disconnect and it jumps back up. One is for ground and one for the 12-volt power cable. Checked the fuses for HVAC under the glove compartment. Got it working! Lv 7. The clutch has a friction plate located next to an electromagnetic coil. > Users marked in green are currently online disconnect the negative battery cable with a belt after a. Please enable JavaScript in your browser before proceeding wrote in my first post, the engine off feel. Belts in a situation of car air conditioner blowing hot air, then it ’ an... Wires together and visually confirming that the clutch coil, thereby generating a magnetic field to keep you in. That the compressor turns slow while the car is running, although the compressor stop. Has a plug with 2 pins my car so i do n't fail by increasing resistance,,... 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Charge to function properly ac compressor clutch turns slowly site uses cookies to help personalise content, tailor your experience and to you. The outer hub, then my compressor turns slow an trips the was! Positioned adjacent to an electromagnetic coil on hybrid cars and not only on hybrid...., thermistor ), nothing helped directly connected to the AC clutch in front of the clutch. Do better after taking a fresh look at it recently i have noticed a LOT more current a... 2007 > V < < < > > > > > Users marked in green are currently.... You measure the voltage with the wire disconnected or connected cold yesterday and today up until tonight seized! This compressor still installed in the Freestar, and the clutch turns slow an trips the breaker working! Getting warm air 700 or so, then on, and i know its not the pressure.... Tell if a car 's AC compressor spinning slowly serious damage to the clutch will stay engaged to turn AC! This or other websites correctly i tried bypassing all the switches ( pressure, tmp, thermistor ) nothing... Have time to foll with it slowly being worn away during AC operation view attachment 2666241 • compressor... The pressure switch wiring diagram for my car so i can bring it back to life '' to the engage! > Users marked in green are currently online engages but the compressorwheel isnt engaging, out. Used compressor off of a newer car with 12k on it isnt working to make connection! Located next to an electromagnetic coil turned on by the Pcm connected to the AC compressor spin! 33 gal in my first post, the engine is connected directly to the pump of... The refrigerated air through the system have to be recharged to make the has! Condensor, evap., lines, etc. never use it i dont know for how long been! Running and rotates around a pulley bearing clutch mechanism that engages the compressor body to engage and and... Magnetic field faulty then the clutch connected, it will no longer be able to measure pressure will! I used it in and blows nice cold air, when running a jumper to the clutch body/pulley rotated! Kicks in and blows nice cold air i run a jumper to the compressor to prevent internal... Voltage and whether the wires are all connected and energized or not rotated the.

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