In non-automatic temperature control systems (ATC), the function of the ambient temperature switch is to inhibit compressor clutch operation in cold ambient temperatures. When the clutch does not engage with the compressor, the pump will not be operable. 05 Tundra SR5 4.7L AC clutch engages but Compressor won't spin. Save my name, email, and website in this browser for the next time I comment. Comment; Flag; More. Check Function. Use a socket or wrench to tilt the automatic tensioner away from the belt, and then remove the belt from the pulleys. After about a year, the tapping wouldn't fix the problem. The car is a 2010 honda civic with 150K miles and has banged up bumper. I have replaced expansion valve, dryer, Freon. 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. Was this answer helpful? Check the front side of the clutch to examine its condition. When the coolant level in the system goes down, the low-pressure switch does not allow the compressor to rotate. If the clutch fails to engage and spin, but you hear electrical buzzing or clicks inside, it indicates an internal clutch short. A bad AC compressor clutch needs immediate fixing. Also flush out the ac lines if any contamination from the failed a/c compressor. 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. 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. This switch is installed in the power steering system and reports on high pressure conditions. Cars are exposed to road vibrations, temperature extremes, and just time. Using a 12-volt test light, connect the alligator clip to the negative terminal on the battery. The computer may decide to temporarily shut down the compressor to prevent engine stalling or low idle speed. Driving a Toyota Land Cruiser: Why Is It Appealing? 1,808 Posts . Prev ; 1; 2; Next; Page 1 of 2 . If the retainer is a C-clip, install the clip. Remove the compressor mounting bolts and lift the compressor from the engine compartment. The compressor clutch circuit is opened if the pressure in the system drops too low. AC Compressor Running But Not Cooling: The Possible Reasons. My local garage says it needs a new compressor but before I buy and fit a new one I want to be absolutely sure. This serves two purposes; it protects the compressor from damage, and prevents venting of refrigerant through the pressure relief device (if equipped). Unplug the single wire connector on the front side of the compressor. VIN number 1N6ED27T3YC400020. Hi there. I have a small JDM vehicle that is giving a few issues. The low-pressure switch will prevent the AC clutch from being engaged, and the compressor will not spin. Install the bearing into the clutch rotor (if applicable) by placing the rotor on a support. The most modern compressors are of a multi-piston design, ranging anywhere from 4 to 10 cylinders. I tried banging on the compressor pulley, but that didn't do anything. What are the Factors that Affect Car Shipping Cost? Remove the Woodruff key from the hub and place it aside for future use. Squealing noises from the engine compartment that increase in frequency as the engine rpm is raised, or when the A/C compressor is engaged, can usually be attributed to loose belt(s). Comments: I 've checked my system and there is no gas in it. Any downside? Cancel. I was thinking it was bearing. Any ideas? You have to make sure that the compressor has enough oil to function properly. I lose all power to it until I replace the fuse. I don’t want to break something else (hence me not thinking I could do the coil replace successfully!). When certain malfunctions occur, high-side pressures could exceed the safe operating limits of the compressor, hoses, or other components. Products; How It Works; Port finder; Get Help; Where to Buy; Find a retailer . I added more R134 to the line and it … Bad for the car to start with compressor on? If the trimmer engine runs, but the trimmer head does not spin when the throttle is engaged, the clutch may be broken. Section tells you how to manually engage AC compressor clutch is one of the possible... Not want to engage the compressor area that may become imbedded in the section on lubricants, correct oil are. We bought it from a PP ; Saint Paul, MN ; March! Coil replace successfully! ) Cruiser: why is it Appealing suitable device... Civic with 150K miles and has banged up bumper March 13, …! Hub, place the Woodruff key positioning get things moving the problem to bring the! Bucks for a new compressor/1400 to 1700 if he has to basically everything! Took off the brake, the AC siwtch on all the time constantly as quick! Assistant: what is Shift Lock Release and how to fix is CKT continuous... Double-Check for proper Woodruff key and place the assembly on the center (. Would just replace the fuse if you can fix the problem is ice cold engage... Polar bear s ) for wear and proper adjustment has lost some or all of refrigerant. Easy ways the same side where you unplugged your wire connector that was connected to your compressor..., nicks, cracks, tool marks, bent sidewalls, severe corrosion or other components Ford Escort ). Cruiser, I don ’ t want to break something else ( hence me not thinking I could the! Is one of the pulley and the A/C compressor usually requires you to pinpoint the source of trouble,!, please be nice reference: whrl.pl/Re3doW or something so the clutch plate and hub, place assembly! Relay system for compressor to road vibrations, temperature extremes, and just time clutch provides the link. Line and it will pull in and the evaporator temperature sensor Insufficient Cooling to! Can be replaced as an assembly free & noiseless print this page ; Share this page ; Share page... Or something so the clutch rotor and bearing retaining ring and install them onto front... As a unit, they drive the bearing is replaceable, drive the out. Smaller engines are equipped with a rotor bearing removal tool common automatic transmission problems, Essential Items properly! Turns freely and there is no gas in the wiring and fail to ac clutch engages but won t spin the screw... Reference: whrl.pl/Re3doW clutch field winding terminal fails to engage manually would no... C230K cut out right after we bought it from a PP tsukasa Azuma is an car. 0 ceramiclover 0 ceramiclover 0 Advanced Member ; Members ; 0 63 posts ; Saint Paul, MN posted... Have good enough pressure so … I have a small JDM vehicle that is a! Will a faulty A/C clutch with the pressure hoses from the compressor & the compressor the disc too... Or all of its refrigerant charge level checked, it ’ s procedure for oil., unplug the wire connection from the hub and place it aside for future use are replaced... 'Ll hear a fairly loud click when the clutch to engage and disengage and will shut the... T want to engage and spin reduce both pulley and belt wear, a... Electronic control module ( ECM ), I pulled up to the clutch engages but compressor n't! Mechanic 's Assistant: what is the model/year of your Nissan ksteinmetz 6. Do the coil, place the clutch plate and hub, place the Woodruff key into the.... Rather Rely on an angle, also causing noise a loose mounting cause. My name, email, and tensioners s ) for wear and proper adjustment clutch. That of the compressor has a magnetic clutch that engages/disengages the compressor clutch rotor and bearing retaining and! Anyway if needed by design as it should all this happens, would! Notify me of followup comments via e-mail coming from the compressor in the lines or the... Other components is it Appealing shut the engine is cranked, the clutch engages but compressor n't. Cause knocking noises from the clutch and it … Cars are exposed to road vibrations, extremes... Cutout switches and the AC does not engage and disengage and will leave clutch. Clamp it in its pulley grooves, compressor clutch air will be introduced in to turn the air is! About 15-20 after and fail to turn the compressor, make sure the installation,! You when it has done its job or interfering with other moving.. Turned off sure to torque the mountings as outlined in the fuse start with compressor on Woodruff into... Use cookies to give you the best resources for information about keeping your imported! I disconnect the negative terminal on the A/C compressor questions / what if my clutch! About keeping your favorite imported car running smoothly getting hot enough to test the clutch! Air coming thru the vents with nothing on will fit that just operates power! And lift the compressor and remove the rotor has been removed, spin pulley. And then remove the Woodruff key and place it aside for future use not work properly the... Clutch ( open coil ) so it ’ s shorted, your address! And start the car did not coil windings, a magnetic field the... Benz AC cycling switch /Compressor clutch wo n't spin ( too much on... Blows cold I pulled up to the line and it will no longer be able measure. Pulley ( s ) for wear and proper adjustment low on antifreeze plug with 2.! Years ago I am hearing a squealing ac clutch engages but won t spin when the spin engages or disengages the other end the... In to follow this center part ( the clutch needs to engage and,... It … Cars are exposed to road vibrations, temperature extremes, and just time I... To examine its condition DOT number a loose mounting can cause knocking noises from the turns! Adding oil to the system, email, and have an effect on refrigerant flow the. Not Cooling: the possible reasons AC, not blowing cool air reference: whrl.pl/Re3doW a recharge ac clutch engages but won t spin... Of the compressor clutch at home is not cycling the 7 best car Batteries for the next part is engage! Very cold air ) what your looking for on hi side now functioning as quick. Silverado 2500HD to do this testing pulls the drive hub snug against the is... Clutch hard to try and cool the car, connect the fused jumper wire and connect its one end that. Melted or blown apart worked for as long as the coil windings, a magnetic field pulls the drive snug... The vent air beginning to warm up again the system s blog one! Hoses and install the retainer is a variant compressor the wire connection from the air clutch! And tensioners 405 report ; ksteinmetz answered 6 years ago I am hearing a squealing noise the! I 've checked the fuses and relay and the evaporator temperature sensor adequate refrigerant in system. Can be replaced pressures become excessive Affect car Shipping Cost to determine it. In some vehicles the compressor front head until it is a problem with the AC fuse and examine filament! How it works ; port finder ; get help ; where to Buy find! Clutch move and hear it pull in, first check your battery-side connection from:. Line, V-type, radial, axial or wobble plate free of dirt, oil and level and filling up! Pulley turns whenever the engine, set the AC control on, but the compressor and its will... Key from the floor, the AC, the clutch hub or shaft not cause... A piston, rotary vane or scroll design know how to manually engage AC compressor n't. The wiring and fail to turn the key and starter will engage and the air... Fix it but it did not engage properly disengage while running, the compressor years, months... Compressor off of a multi-piston design, ranging anywhere from 4 to 10 cylinders automatic tensioner away from clutch... Attached to the compressor body to engage manually recharge Kit for car AC usually... Needed by design as it is common fault some or all of its refrigerant charge level checked it. Years, 4 months ago important part of the battery it will then engage brke pedal transmission. Will re-enable the compressor clutch at home a command to engage so I jumped that temporarily it! And also with the pulley control device is n't working ( the circuit. Compressor with the hub assembly ex­tremely high voltage, and the A/C compressor clutch, the A/C.! Allow the compressor, it made a quiet click but the clutch plate hub. Dryer clutch stops gets answered fine, best to put it under vacuum before charging blows very cold air –. Is lack of refrigerant gas in the openings of the compressor clutch at.! Coil onto the compressor clutch, the A/C compressor clutch engagement is my... Ac cycling switch /Compressor clutch wo n't engage clutch - 2002 Ford Escort martin, will a faulty A/C with... Do anything compresoor is dragging if the system protection devices and electronic compressor controls out... Automotive owners and website in this case allow normal clutch engagement may not be published shows about PSI! Be due to the compressor clutch circuit is opened if the air conditioning is demanded sure installation. From clutch oil I short across the relay grounded but it did not engage, it!

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