If the AC pulley is locking up when the ac compressor clutch engages, it's not a clutch problem, it's a compressor problem. What did you fix on your AC? It was pretty cruddy and the both surfaces appear bare and a … check if this fits your vehicle. Our AC Compressor OEM Clutch Bearing can be found that the KOYO, NACHI, NSK, NTN, IKO five manufacturers of different types of bearings are universally interchangeable. The bearing is really easy to replace and should be far less than 1.400 euro for the compressor. 4) 7mm socket, hold pulley with hand (serpentine belt still in place to help hold pulley) and turn the 7mm head shaft clockwise (you're basically turning the pulley engagement component counterclockwise off the shaft). Start the engine and let it warm up. 2. The Bearing/clutch plate part however wasn't coming off . source: how do i replace bearing in ac clutch in a 2002 trail blazer you can buy a puller kit for the AC clutch for about $35.00 the bearing is about $25.00 you might be able to do it without removing it from the engine saving your freon. Guess what I am saying is get the bearings fixed before you end up having to replace the whole clutch. My only question is, what size bearing and can I get them at the local auto store? Step 1: Preparation of Compressor A. was pretty stuck . A faulty compressor clutch can be replaced but it is generally recommended to replace the whole compressor to save time and additional cost. Due to the complexity and nature of how compressors are assembled, it is usually easiest to replace the entire compressor instead of attempting a repair. Some compressors, especially on older vehicles, you could change the clutch out even with it still on the car. So over the past year, when its hot out (say 95 degrees +) I get a fairly loud rotational squeal that comes from the AC compressor when the system is turned ON. I got lucky, bought a used compressor from a wrecking yard for $35.00 that looked grungy but when I got it home and pulled the clutch it looked like a fresh rebuild. Found the Santech MT2021 bearing at a local Auto Zone for less than $20. As some of you know, these cars do not have an AC clutch, instead the AC compressor is always spinning and is engaged on demand by the ECU through the means of a solenoid. You need some special tools to disassemble the A6 AC compressor. Ships from and sold by Automotive AC. The auto parts guy tells me I can get a clutch assembly ($175), a whole compressor and clutch ($275) or just the bearing ($36). All the grunge on the compressor was from engine oil.. Except for the front seal, you don’t have to discharge the system to replace those parts. The clutch with some remains of the bearings. ****But before I replaced just the bearing....I would remove the clutch and check the surfaces. The clutch doesn't engage the pulley, it engages the compressor. What is AC compressor clutch? _____ If your compressor is in good shape (the Sanden has a well-deserved reputation for being tough and durable), there's no reason to replace the entire compressor assembly for a bad bearing. 7. check if this fits your vehicle. 1) Raise vehicle on ramps & remove plastic shroud underneath AC compressor. My dad told me to pick up the bearings and he would help me change it this weekend. They are rotating as the engine is turned on. Advanced Search ... How to replace the clutch bearing... 1998 T-100 SR5 2WD auto, 2012 Scion iQ, 2008 Matrix base. The snap ring was hard to get off but then the other part . Seemed like it would chirp pretty loud at idle, seemed to go away under load - 2 days later, no cold air, doesn't seem like the compressor is kicking on at all when I turn the AC on. ERNEST CLARK. The AC compressor continued to turn even after I pulled the 12-volt supply wire to the unit. Universal sealed bearings, in line with the current standard code method and size, after determining the bearing size, you need to check whether it is a standardized AC Compressor OEM Clutch Bearing. If your compressor is in good shape (the Sanden has a well-deserved reputation for being tough and durable), there's no reason to replace the entire compressor assembly for a bad bearing. Using the " special clutch shoe installer tool , Reinstall the clutch shoe being sure to leave a 0.10 " air gap between the pulley face and the shoe . Generally, the shaft rotates and the inner ring is mounted with a press or interference fit. Replacing the bearing seems an obvious fix without replacing the entire clutch. The sound actually disappears once the climate control is turned on and the AC button is active. The issue that you may have is the pulley bearing seized up and may have spun on the front of the compressor nose cone and will damage it. The AC compressor pulley and bearing are essential to the air conditioning system. The short answer is yes, the clutch pulley bearing can be replaced. Replacing your A/C compressor, clutch and drier all at once ensures better reliability, protects your warranty and means lower long-term repair costs. SKU # 901057. Part # 47989. Yes you can just replace the clutch pulley on the a/c compressor. Tighten the pulley rotor and bearing assembly onto the front head of the compressor. 1Hold the A/C clutch hub with the special tool.2Remove the bolt. If the clattering is so bad that you are afraid to drive the car you can bypass the compressor by using a different belt until you can get it fixed. Spoke with a mechanic and he mentioned its the bearings inside the compressor and that the entire unit needs to be replaced. Clean compressor nose of all dirt, grease or debris. Roughly one month later, this compressor started spewing oil. Your clutch might be bad and needs replacing but fixing the problem might be as simple as adjusting the air gap on the clutch. check if this fits your vehicle. 2) Remove radiator fan for better access. Sep 29, 2008. The clutch disk is easily removed with a 10mm wrench (i think that is the right size) and something to keep the disk from spinning. … INSPECT COMPRESSOR OIL; When replacing the compressor and magnetic clutch with new one, after gradually removing the refrigerant gas from the service valve, drain the following amount of oil from the new compressor and magnetic clutch before installation. Only 20 left in stock - order soon. Can you change just the clutch on an AC compressor? Charge refrigerant to proper amount and test by applying heat to evaporator to increase suction pressure. Auto ac compressor clutch assembly.Air conditioning compressor bearing. Kyle Sanstrom has been writing professionally since 2008. According to Denso:” 99.9% of all compressor problems are not related to product failure, but from a poor understanding of A/C system operation, maintenance and repair. How do I know if the problem is the relay switch located in the fuse box or the clutch on the comp … read more If the bearing goes bad, then the clutch is replaced as a … New lines/dryer,condenser, recharge? Most DIYers can handle replacing the clutch, clutch coil, pulley bearing, pulley, and even the front seal. Place the square " key " in the slot ( groove ) of the compressor crankshaft and line up the slot of the clutch " shoe " with the key on the crank shaft . Powerbuilt 648980 Air … A little backstory. 151. Lift the front of the compressor up to clear the top radiator support. Suction pressure less than about 5 psig can cause unusual noise. I'm not getting into what on the clutch fails because it doesn't matter it comes as a complete kit. AC Compressor Clutch Replacement? 99. General procedure to remove and reinstall a/c compressor clutch bearings. There is an excellent video on replacing the pulley and bearings here: . Yes there is a bearing in the AC clutch assembly, and the bearing can be changed with out swapping out for a whole new AC compressor unit or even taking the unit out. Check for evidence of oil leakage from the front seal and through bolts of the compressor. The clutch bearing for an AC compressor is located in the center of the clutch. Failure of the clutch surfaces, electromagnet coil, or clutch bearing isn't necessarily an indication the compressor is bad. The average AC compressor clutch replacement cost is between $700 and $1000. If it is the ac compressor bearing going bad, the front seal won't last long with the resulting shaft lateral movement. bearing or magnet? Seemed like it would chirp pretty loud at idle, seemed to go away under load - 2 days later, no cold air, doesn't seem like the compressor is kicking on at all when I turn the AC on. SO how do we figure out if it is the bearing or the compressor? I have it apart. check if this fits your vehicle. We carry individual components like clutch wrenches, plate removers, and hub installers, as well as¿ full AC clutch tool kits. Some balls were already missing. I believe the problem to be one of three possible issues, 1. bad tensioner bearing, 2. bad compressor clutch, 3. bad compressor. It makes absolutely no economical sense to replace an a/c clutch and bearing assembly.

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