Ac Compressor Pulley Locked Up

So when the mechanic told me that the reason MY car won't start is because the compressor is locked up I just felt like I needed to ask around to even see if this was a possibility. 6 million products to keep you up and running. So my AC stopped blowing cool air 2 days ago and being that I am in Texas and my 04 Rsx has black leather I took it in quickly. The compressor pump is driven by the engine's crankshaft through a pulley. Yes, we did have to grind about 1/4-inch off what was now the top end of the bracket, but beyond that it was a direct bolt-in cure. For the last two weeks, my 96 Dodge Caravan 3. The warranty only covers the replacement of the compressor. Freightliner semis also used them. To see if the compressor is locked up , put a socket on the bolt in the center of the hub. Plus, with the convenience of a $0 deductible and plan transferability, we’ve got you covered. Started the car back up and immediately smoke billowed up again. I had the bearings on a compressor head go out once on a Ford and it locked up, burnt the belt right off because it wouldn't turn. 9 Cummins diesel engine locked up and broke the belt on this truck. Business Profile. Actually this problem is caused by liquid slugging in the compressor, not faulty clutches. The clutch consists of a coil, a free wheeling pulley driven y the serpentine belt, and a pressure plate mounted on the end of the compressor shaft. 5L Non-Hybrid Without Rear AC, We work directly with manufacturers to offer OEM new AC compressors at a fraction of the dealership list price. Just remove the ac clutch, if stuck to the pully, or just un hook the electrical connector at the compressor. That means an orifice tube. We will be getting some many needed parts for this truck, including a new ac compressor soon. Does it lock up some minutes after having turned AC on? If so you may be looking at a system overpressure (not a compressor problem in the strict sense). It's a fairly simple task as long as you can get access to the pulley end of the compressor. Quote Originally Posted by toyomoho 4 or 6 cylinder The compressor locked up as in froze The compressor has a magnetic clutch that engages the the actually pump. Apparently the a/c compressor pulley seized, breaking the belt. The belt stress automatically went to bypass that alternate pulley but it THAT'S locked up you're fucked. I was curious on how hard it is to replace an ac compressor on a 2008 charger/ex police. I pulled the belt off and gave each a spin. It's fine to run it without the AC belt on there until you can get it fixed. We apologize that this item is not available for pickup in store at this time. All other pulleys directly drive their components, such as power steering and alternator. And that is with a cheap ass remanufactured compressor. Loading Unsubscribe from McCuistian? Easy Bypass AC Compressor - Compressor Locked Up Test Vortec 4. Whether it is from the compressor or not you will have to do some digging. Flash forward to last Thursday, the truck is ready to go. Brand New AC Compressor Bypass Assembly This bypass assembly was designed for use on a vehicle that has a locked up AC compressor or clutch. Quote Originally Posted by toyomoho 4 or 6 cylinder The compressor locked up as in froze The compressor has a magnetic clutch that engages the the actually pump. does the pulley engage and disengage and just get tighter when u turn it on?. Air Conditioning problem 2001 Ford Taurus 6 cyl Automatic My compressor has gone out therefore cause the compressor pulley to lock up and broke my serpetine belt. An A/C delete/bypass pulley for your application would be a way to go, but it will involve pulling the compressor. Buy Dorman HELP AC Bypass Pulley 34156: Replacement Parts - Amazon. Go to: Verifying That The AC Compressor Is Not Seized. If the compressor pulley is locked up in either of these two situations, the compressor is bad. When I first purchased it about 4 years ago the dealer I got it from overcharged the AC system and locked up the compressor. So last week my AC compressor stopped coming on again And rarely when it does the AC is not very cold at all. My Account. The AC compressor, condenser, drier. Freightliner semis also used them. Problems that cause AC compressor failure. GM Restoration Vintage Auto Parts superstore at the Parts Place specializing in Muscle Car Parts, NOS GM Auto Parts, Pontiac GTO Parts, and many more. Definitely sounds like a freon issue/leak. PULLEY AND TAKE-UP CATALOG phone: 1-800-437-9074 11. net bought for a P11 and it fit fine. Now, before I installed the new belt, I tried turning the pulley on the AC compressor and it wouldn't budge. Now I want to just delete the whole unit and get a bypass pulley bracket. If the compressor is making noise even when not engaged, the clutch bearing is going out, and yes it will eventually seize up sooner or later (probably sooner. I restarted the truck and the AC compressor clutch wouldn't engage, I assume the compressor locked up. Remove the AC compressor's front and rear bolts only. If it comes down to you needing the idler or pulley bearing you can have mine since it was spinning fine when I replaced it. Went to both Advance and AutoZone and the puller they had did not work. With the engine not running and belt off the pulley should spin free. A Open the hood and look at the air conditioning compressor. Free Same Day Store Pickup. 8 liter v6, the pulley on the a/c compressor can be replaced if it is locked up (frozen) on the compressor. but whats the difference? my truck is a 93 intercooled truck but why does that affect the compressor?. An A/C delete/bypass pulley for your application would be a way to go, but it will involve pulling the compressor. Again, most common reason for an A/C compressor not engaging is a lack of refrigerant (check that first). I think he needs to check if its indeed locked up. When the familiar hum of your Charlotte, NC home's air conditioner is interrupted by unfamiliar noises, it's a good idea to be concerned. When a Ford compressor fails they usually lock up or fail in a loud, spectacular fashion. The pulley locked up. The result is the damaged belt is unable to fully grip the compressor pulley when the magnetic clutch engages and slips until the compressor pulley is rotating at speed. For now I disconnected the wiring harness at the top of the compressor. The heat would kill the bearing in the pulley resulting in the noise with the engine on even with the compressor disabled. Here is a video showing a compressor that is running properly. The Kubota Heavy Duty Engines AC Compressor is the heart of your vehicle's air-conditioning system. Turn the AC on and the pulley stops spinning. Apparently the a/c compressor pulley seized, breaking the belt. I didnt read it as specifying that it was locked up at this point. If it is just the pulley bearing a special puller is required to remove the pulley and. and the AC compressor. You probably felt something a little different when you requested AC from the control panel. You have to pour it in before you hook it up. The warranty does not cover the cost of labor, removal, installation, or any diagnostic costs. Got the bolt removed in 2 seconds today after a "light bulb" moment. Lots of cars used that compressor stock as said. The compressor and drier will need to be replaced. smoking the ac was freezing cold as always but when I removed the belt the compressor will not free spin it's locked in. It doesn't work with the AEM (among other things). The noise was definitely a bearing sound. If you want to bypass the compressor Dorman Products the company who makes the HELP! aftermarket part line. Cavalier Compressor 1131550 Lemans Century Cutlass Ac Beretta Delco Sunbird (45. Is there a bypass pulley available anywhere (I have contacted DORMAN and they dont have one for this engine)? ***I realize this is an new model to be rigging up a fix but I really dont have the g-note plus to fix it right now and the compressor is making some odd noises which im sure will turn bad. This allows the engine to run if/when the compressor fails. Would this mean that the bearing is seized or that the compressor needs changed out? (No experience in this subject). The AC was never turned on, so I'm assuming I have an electrical problem. I can not move it by hand and it has burnt rubber on it. Fall Savings Have Arrived! 10% Off Shipping On All Orders - Use Promo Code: FALL19. Is your AC not working? If your central air conditioner is not cooling right, repair it with these expert DIY air conditioning repair techniques. then release the adjusting pulley. Fortunately it was an easy fix, but it was expensive!. Clicking in dash may be relay ,replacing comp is not a fun job _____. So my ac compressor locked up, what does that mean and are my options? 2009 Nissan altima, about 212000 Km First thing was a screeching sound from the belt for 3 seconds while driving, then the engine turned off. Note: This part ships by ground service only. I had the bearings on a compressor head go out once on a Ford and it locked up, burnt the belt right off because it wouldn't turn. The idler pulley and bearing can be replaced independently from the compressor. All of the other pulleys spin free without any noise. Well my first post on this site is a pretty tough one. I tried turning it over and it moved the pulleys maybe a 1/4 inch and just stopped. Realign motor pulley with compressor flywheel. When current is passed through, it creates a strong magnetic field that pulls a splined hub into contact with the spinning pulley. An armature plate is mounted by a hub to the compressor crankshaft and is keyed into place and locked securely with a lock nut, thus making connection to the crankshaft. I'll send you the instruction for replacement in the morning when I get to work. Usually if the "Hub" for the AC compressor clutch will not turn it means that something inside the AC compressor has failed and caused the compressor to lock up. The compressor clutch will NOT engage if the refrigerant charge is low. can your ac compressor stop your can from starting: if a seized compressor is so locked up it could overwhelm a battery and starter. When it comes to your Ford Ranger, you want parts and products from only trusted brands. However i know on certain vehicles you can buy a pulley bracket to bolt where the A/C compressor would sit/ and or get a shorter belt. The ac compressor is locked up can i by pass it with the serpentine belt-if so what is the size of the belt bypassing the ac compressor. I've found a new Denso (471-1116) compressor with clutch for $220 shipped. If you want to diagnose an AC compressor clutch for defects, apply these techniques: Working Method 1. so there's a chance it could still be the head. I am so fed up with this issue and Ford's "quality". My compressor locked up just as we were leaving my buddy's house. That part spins even if the compressor is seized. If the compressor pulley turns but the compressor is locked up, just unplug the compressor clutch. The only warning we had, in hindsight, was we lost air conditioning earlier in our trip to florida and the ac was blowing warm air and there was a noise coming from the compressor area. If the clutch doesn't engage, the air conditioning compressor can't pump refrigerant. so, i'm going to obviously get a new switch first, but when it kicked on i noticed the compressor pulley did something. (which I can not find!!!!!) It is model number 4825 and the last four of the OEM #17AH, yes H, not C or whatever other letter I have been finding. A lady friend of mine hit a metal bucket with her car (1997 Ford Taurus) 6-8 months ago right where the air conditioner compressor sits which damaged all. The warranty does not cover the cost of labor, removal, installation, or any diagnostic costs. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Got the bolt removed in 2 seconds today after a "light bulb" moment. Remove the AC compressor's front and rear bolts only. The warranty only covers the replacement of the compressor. The noise was definitely a bearing sound. Is there an easy way to tell whether the A/C clutch failed, or the compressor? I think the car stalled because the A/C seized up. If it is just the pulley bearing a special puller is required to remove the pulley and. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. The objective is to replace the AC clutch on the car. I restarted the truck and the AC compressor clutch wouldn't engage, I assume the compressor locked up. I think compressors are just iffy these days. Free Same Day Store Pickup. You can buy them as a set. The slipping occurs continuously during compressor operation and can subject both the clutch and coil to extreme temperatures up to 1,200 degrees Fahrenheit. The difference was that the old AC clutches used three flat steel springs and this clutch used a ring shaped piece of rubber as a spring. Advance Auto Parts has 7 different A/C Compressor Bypass Pulley for your vehicle, ready for shipping or in-store pick up. I tried turning it over and it moved the pulleys maybe a 1/4 inch and just stopped. My a/c compressor locked up completely, so the belt is just grinding on the pulley and smoking / burning. The compressor is 99% sure locked up internally and the clutch burned up and froze (heat/friction welded) the clutch to the pulley. When it comes to your Chevrolet S10, you want parts and products from only trusted brands. Classic and Vintage Cadillac parts are also available at CaddyDaddy. the compressor is locked up. Loading Unsubscribe from McCuistian? Easy Bypass AC Compressor - Compressor Locked Up Test Vortec 4. The heat would kill the bearing in the pulley resulting in the noise with the engine on even with the compressor disabled. The AC was never turned on, so I'm assuming I have an electrical problem. The pulley should spin freely when there is NO BELT on it when the key is off (engine off, AC off) 2. Most repair shops that do air conditioning work can purge the system through the use of their recycler unit. My AC compressor is locking up now. Go to: Verifying That The AC Compressor Is Not Seized. Freeing a seized AC compressor involves determining what caused the seize and performing the necessary repairs. Thanks for any input. So I had my wife come out to start the car while I focused my flashlight on the AC compressor clutch, and when she started it up, it would not turn. but whats the difference? my truck is a 93 intercooled truck but why does that affect the compressor?. Altering the compressor in any way. If the pulley is locked up with the A/C turned off and the front clutch plate turns, you may just have a seized pulley bearing. Fall Savings Have Arrived! 10% Off Shipping On All Orders - Use Promo Code: FALL19. The compressor on my '06 GLI seized and the breakaways in the pulley sheared, allowing the pulley to continue to turn when the compressor itself locked up. So I'm wondering if instead of replacing the AC compressor immediately if I can instead disable the clutch on the pulley that would engage/ disengage the compressor?. When I first purchased it about 4 years ago the dealer I got it from overcharged the AC system and locked up the compressor. You can get the clutch disk from Ford and I suggest a shim kit too (looks like washers in different thickness). Kubota Ac Compressor found in: A/C Compressor, with Kubota Number 3P999-00620, This brand new AC Compressor is designed and manufactured to replace the original Denso SCSA06C compressor from your vehicle. Ac Compressor Fits Honda Civic 2001 2002 1. After a catastrophic compressor failure the system must be flushed, otherwise the new air conditioning compressor could get damaged by all the debris released by the old locked up a/c compressor. If the compressor is making noise even when not engaged, the clutch bearing is going out, and yes it will eventually seize up sooner or later (probably sooner. AC Compressor Clutch Symptoms, Testing & Replacement Cost. Both had serious other problems with items driven by that clutch - one the compressor was locked up, fried the belt, tensioner bearing was noisy - replaced compressor, clutch, tensioner and idler bearings, belt - total was about $2000!. The compressor clutch caused the compressor to wind-up/damage the belt when it could not travel over the drive wheel of the compressor. Order Ford Escape A/C Compressor Bypass Pulley online today. Often, an idler pulley or power-steering pump pulley is the source of unusual sounds associated with your air conditioning. The heat would kill the bearing in the pulley resulting in the noise with the engine on even with the compressor disabled. The outer pulley part may or may not eventually come loose, but that would freewheel anyways when the clutch is not engaged. The compressor pump is driven by the engine's crankshaft through a pulley. If the compressor is locked up then the clutch engages it locks it all down. How to diagnose: - No AC - Poly V-belt shows signs of degradation. Re: bypass ac compressor in 1999 chrysler sebring If i remember right that is a one belt system. To answer your question the compressor has suffered an internal failure causing it to lock up. If the clutch doesn't engage, the air conditioning compressor can't pump refrigerant. How is Dorman able to release hundreds of high-quality new replacement automotive parts every month? A rigorous, best-in-class product development and testing process. The belt stress automatically went to bypass that alternate pulley but it THAT'S locked up you're fucked. I didnt read it as specifying that it was locked up at this point. I just replaced mine after it locked up,made a screech then a clunk and it siezed. Also what brand compressor is best or good for the money. No one stocks a compressor locally so ordered one from RockAuto. In a car the ac is actually driven by a belt and pulley which is mounted on the engine shaft. Yesterday the a/c compressor - alternator belt broke on 2006 Freightliner Columbia (Detroit 60). Sells compressor bypass pulleys. If you look at how it is made, the big pulley runs on a bearing whose inner race is generally an interference fit on the front of the compressor. Will the pulley turn free with the clutch disengaged? The A/C and several heater positions that include "defrost" will make the clutch engage. There's a by pass pulley which takes the place on the compressor as a option. It should rotate with some resistance, but not be locked up. That means an orifice tube. your air conditioning compressor locks up, now the AC compressor on this Dodge is locked up, when we tried turning the pulley by hand it won't turn at all because it's locked up, now some guys will just bolt on a new compressor and try to fix it that way, but that's not a good idea, because on most cars, especially this Dodge, when they. Is your AC not working? If your central air conditioner is not cooling right, repair it with these expert DIY air conditioning repair techniques. Then it locked up again, and seemed to stay locked up and I called it a night. I could turn the inner clutch assembly with the 14 mm nut with no problem. Unless the compressor is on a belt by itself, you don't want to remove the belt. Denso Ac Compressor found in: A/C Compressor, A/C Compressor and Components Kit, 3. Rotate A/C compressor pulley several turns; If air conditioning compressor is locked up, engine operation with compressor. Order A/C Compressor Bypass Pulley for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. Without shutting it off, I quickly opened the hood, but the noise had stopped and smoke was rising over the AC compressor. With Datsun / Nissan AC offerings from Air Conditioning Compressors to Air Conditioning Kits and everything in between, Z Car Source is the place to go for your Datsun 240Z, 260Z, 280Z, Datsun / Nissan 280ZX and Nissan 300ZX needs. Any physical damage to the compressor. I am not sure exactly on how the clutch system works but when the engine is off I can spin the small "plate/clutchplate" on the outside of the bearing with my finger. However, there is now a quite different, intermittent squeal from the belt slipping on the AC---only occurring when the compressor clutch is engaged, of course. After that you're gonna need a schematic to accurately trace down the break in the circuit. When a Ford compressor fails they usually lock up or fail in a loud, spectacular fashion. push it up to loosen the tension. Takes two people to pick it up almost. Thanks been running on the truck for over a week now with zero issues. Squeal gone---great. Mount the compressor into the compressor bracket, being sure the eccentric/idler pulley, crank pulley and compressor pulleys all line up for the v-belt. The compressor is 99% sure locked up internally and the clutch burned up and froze (heat/friction welded) the clutch to the pulley. Looked into this, it require 3 or more special tools to re & re AC clutch. Order Ford Escape A/C Compressor Bypass Pulley online today. The job of an idler pulley is to shape the path of the belt so it is wrapped around pulleys it has to drive and therefore offers more grip. The compressor is not usually damaged. That means an orifice tube. Contact us here about local pick up options. I understand there is a way to bypass the ac pulley and would rather not do that. Both doesn't need to replace the. If your tensioner gets weak it allows the belt to slip on the driven pulley and causes it to squeak. To activate the compressor the clutch is activated. No smell of belt burning or other warning. 5 jetta AC compressor clutch pulley locked up: I replaced the serp belt because it failed, then noticed the AC outer pulley was locked up. There is a trick to get the belt on. There are a lot of causes for no AC, so when my car had no AC I started with the easiest things to troubleshoot. 7L, and the AC has locked up. I had just even had the belt off and replaced an idler pulley. The air-conditioning system receives electricity for the air-conditioning compressor; apart from that it works almost without additional energy, because it generates the cold for the interior. Apparently the a/c compressor pulley seized, breaking the belt. You really need to flush it out in case the compressor dumped debris into the system. Very likely that the ac compressor is locked up and the belt is slipping. A Open the hood and look at the air conditioning compressor. Your truck has a Denso compressor which is known to fly apart when you get some miles on them. If a idler pulley goes bad the bearing inside can fail. Professional maintenance can prevent a car's air conditioning compressor from seizing, or locking up. Check the front side of the clutch to examine its condition. 1)Remove the AC clutch snap ring 2)Remove the AC pulley 3)Remove the AC field coil So, I guess if your just removing the clutch, you can do it on the truck, if you removing the pulley then if you can get it off while on the truck -great but you may have to remove the compressor from the truck. Kubota Ac Compressor found in: A/C Compressor, with Kubota Number 3P999-00620, This brand new AC Compressor is designed and manufactured to replace the original Denso SCSA06C compressor from your vehicle. The A/C clutch is fitted to the fan belt pulley. As long as the pulley bearing is good the pully should spin freely. This connects the air conditioning compressor's shaft end to a pulley driven by the engine's crankshaft through a belt. If locked, your compressor is likely toast. An A/C delete/bypass pulley for your application would be a way to go, but it will involve pulling the compressor. I didn't want to wait so I made one more call to a mechanic I know and got lucky. Was cleaning up the AC compressor to go back on and discovered it is locked up. I had the bearings on a compressor head go out once on a Ford and it locked up, burnt the belt right off because it wouldn't turn. Or can I just bypass the compressor and add a shorter belt. up to 8 years/ 125,000 miles Basic Warranty Coverage 3 years/ 36,000 miles MILES (in thousands) YEARS 3 36 60 125 5 8 ion Toyota Extra Care Platinum Plan For New and Used Vehicles new Vehicles Eligibility Consider this coverage if your vehicle is less than 3 years old and has fewer than 36,000 total vehicle miles. I did the replacement and it easy. Fired it up, hit the AC, and cool air started coming out, then within about 20 seconds, it locked up again. 2) If the belt condition is good then possibly you might be seeing "lock up". The pulley should spin freely when there is NO BELT on it when the key is off (engine off, AC off) 2. I had the same thing happen to my car. This type of work is one of the highest cost tasks for a. I replaced starter cause thought it was bad. And within a month the power steering idler went bad (new, Gates, from O'Reilly); these both are sold with new bearing in a new pulley. Caddy Daddy has been selling Cadillac Parts for 35+ Years. 9 Cummins diesel engine locked up and broke the belt on this truck. this is it. 6 million products to keep you up and running. Looked into this, it require 3 or more special tools to re & re AC clutch. The AC guy at his work told me every thing I would need to do it right and I found it all on Ebay for half his cost for me. Go to: Verifying That The AC Compressor Is Not Seized. Chevy Nation Parts. If you look at how it is made, the big pulley runs on a bearing whose inner race is generally an interference fit on the front of the compressor. Many times a compressor is submitted for warranty listed as having only clutch symptoms, such as "bad clutch bearing" or "clutch doesn't engage" or "clutch locked up". After doing some internet research I intended to bypass the compressor with a non a/c belt(110 3/4 long). However, the compressor needs to run only when the air conditioner is turned on. Going to switch to Dura Cool also. Just remove the ac clutch, if stuck to the pully, or just un hook the electrical connector at the compressor. I was curious on how hard it is to replace an ac compressor on a 2008 charger/ex police. When current is passed through, it creates a strong magnetic field that pulls a splined hub into contact with the spinning pulley. If the Compressor Hub or Pulley bearing is seized up, then you will need to by-pass the compressor or remove the compressor. When the compressor fails, it freezes up. If you can turn the compressor drive plate but not the pulley with the belt off, then it is the clutch bearing. Would this mean that the bearing is seized or that the compressor needs changed out? (No experience in this subject). Quote Originally Posted by toyomoho 4 or 6 cylinder The compressor locked up as in froze The compressor has a magnetic clutch that engages the the actually pump. Adjust tension. Started the car back up and immediately smoke billowed up again. CASE 2: The crankshaft pulley DID NOT turn. 1997 lesabre a/c compressor bypass? LeSabre Car Forums. Loading Unsubscribe from McCuistian? Easy Bypass AC Compressor - Compressor Locked Up Test Vortec 4. The moving parts in the compressor motor will become tight and hard to move. The compressor drive hub is usually found at the front of the pulley and is attached directly to the compressor driveshaft. that pulley locks. The pully is a cake walk to change just need an impact to spin nut loose a socket snapring pliers and 2 flat screwdrivers to pop the clutch off, it's real easy. I'll be adding to the write up once I remove my coil, but it very simple, its held in by 3 screws and theres a notch on the back of it that lines up on the compressor to hold it in place cause it doesnt turn with the pulley or anything. The only warning we had, in hindsight, was we lost air conditioning earlier in our trip to florida and the ac was blowing warm air and there was a noise coming from the compressor area. I went on line here and got the #'s for bypassing the a/c. Is it completely locked up? Or will it turn a small amount each way? Some times the compressors will develop a hydraulic lock from sitting. I even pulled the clutch relay and it still screamed. Right up until it stopped working the AC ran ice cold without any noise from the compressor. This connects the air conditioning compressor's shaft end to a pulley driven by the engine's crankshaft through a belt. 9 Cummins diesel engine locked up and broke the belt on this truck. If the pulley does not turn and there is a loud squeal, this usually indicates a locked-up compressor. PULLEY AND TAKE-UP CATALOG phone: 1-800-437-9074 11. Brand New AC Compressor Bypass Assembly This bypass assembly was designed for use on a vehicle that has a locked up AC compressor or clutch. You can test the magnetic clutch by trying to see if it picks up, exactly what's shown on page 1339 or AC-38 of the FSM, battery power is directly applied to the coil to see if there is a. I had the same thing happen to my car. Order A/C Compressor Bypass Pulley for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. I've found a new Denso (471-1116) compressor with clutch for $220 shipped. The A/C compressor pulley spins free when the engine is running until the electromagnet in the clutch is energized. I know jeeps have them so do vw's and some mazda's. Anytime you have a locked up. This might be your problem but its hard to tell from here. 2004 f 250 superduty 4x4 I've been told my AC compressor pulley on. Would this mean that the bearing is seized or that the compressor needs changed out? (No experience in this subject). I have a 2007 Toyota Camry with the new clutch less AC compressor that is not turning on, It began turning on and off about a week ago,so I checked it's high and low pressures and they are perfect 40 low 225 high when it was on. Went to both Advance and AutoZone and the puller they had did not work. by new year, i already used twice what i payed on autoshops. Oldsmobile Bravada 2002, A/C Compressor Clutch Bearing by SKF®. Order A/C Compressor Bypass Pulley for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. The satisfaction of our customers is always our priority. Yes, we did have to grind about 1/4-inch off what was now the top end of the bracket, but beyond that it was a direct bolt-in cure. Order Mercury Grand Marquis A/C Compressor Bypass Pulley online today. It should spin freely, no noise or gritty feel. I opened the hood just in time to see my belt snap from catching on the locked up compressor. If the pulley on the compressor will not turn freely, then yes if a bypass pulley exists you would need to use it in place of the compressor. With the pulley locked, the belt creates friction and overheats, partially melts, and throws off chunks in the heat affected area. 5 jetta AC compressor clutch pulley locked up: I replaced the serp belt because it failed, then noticed the AC outer pulley was locked up. It sounds like the compressor locked up, but it could be the clutch and pulley have definitely come apart. If the pulley does not turn and there is a loud squeal, this usually indicates a locked-up compressor. I will let you know how it goes. these chemical can blind you if you do not know what you are doing. the question is what is actually locked up? if the a/c compressor is locked up but the a/c compressor pulley turns, then you need to disconnect the wire harness connecter that is on the a/c compressor pulley/clutch so you can run. Apply the power and listen for the clutch to engage. That means an orifice tube. Choose a Poly-groove pulley, Single-groove Pulley or Two-groove pulley style to get started. Lucky for me my brother inlaw has all of the stuff to do it. From Car Talk: A/C jobs either cost $50 or $1500. The compressor is locked up on mine.