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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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OT...auto A/C repair
Apparently the bearing is going out on the pulley end of the A/C
compressor. Can bearings be easily replaced or should I just replace the compressor? Randy |
#2
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OT...auto A/C repair
Depends on which bearing it is. If it is the one in the clutch, that
assembly can be purchased and replaced fairly quickly and easily. It it is in the compressor itself most likely all the gas has escaped and it is better to replace the whole compressor due to metal contamination. |
#3
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OT...auto A/C repair
On Aug 4, 12:26 pm, Randy Replogle wrote:
Apparently the bearing is going out on the pulley end of the A/C compressor. Can bearings be easily replaced or should I just replace the compressor? Randy Depends on the type of system. I've replaced the bearing on my Ford, but it has a Warn clutch, millions made. The bearing has a standard number but nobody stocks it except auto A/C parts suppliers with a really deep inventory. Found mine on the internet. I'm assuming you mean the clutch pulley bearing and not something in the compressor. You CAN pull the pulley and clutch off with the compressor in the car, but it depends on what's in the way. I had to remove the fan and the radiator to get enough space to use the hub puller on my van. Most current after-market shop manuals refuse to give any details about how to pull bits off the A/C components, referring you to an A/C shop. If your unit has a Warn clutch, maintenance and setup details were on the web at the time I did mine. The bearing ran about $20 + shipping and quieted that pup right down. While I was at it, I resurfaced the clutch plate and pulley and reset the running gap using the Warn instructions. I also had a couple of extra compressors to snag parts from, $7@ from the local U-Pullit. Nice having a vehicle they made millions of. You can get the special tools on loan from the likes of Autozone, some of the other chains also have free loaner programs. To remove mine, I had to use a clutch plate holder to remove the hub nut, a hub puller to remove that, a set of long-nosed snap ring pliers with bent tips to remove an internal snap ring, and a special pulley puller to remove the clutch pulley. Runs to about $200 worth of tools, make sure you have enough space on your plastic before getting them. Autozone charges your card, then takes it off when you bring them back. To order the bearing, you'll need make, year and model of the car and the actual number cast or stamped into the compressor with its model number. Lots of work with putty knife and pressure washer to get the last with most old cars. You CAN get just the clutch unit as a rebuilt, would be all set to go. For mine, that ran between $80 and $200, depending on what parts joint was doing the gouging. You'd still need the tools to install it, though. Stan |
#4
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OT...auto A/C repair
On Sat, 04 Aug 2007 18:26:35 GMT, with neither quill nor qualm, Randy
Replogle quickly quoth: Apparently the bearing is going out on the pulley end of the A/C compressor. Can bearings be easily replaced or should I just replace the compressor? Bearings are easily replaced, but only with the correct $$$ tools. And don't forget to fill with oil and evacuate the system prior to recharge. -- "Excess regulation and government spending destroy jobs and increase unemployment. Every regulator we fire results in the creation of over 150 new jobs, enough to hire the ex-regulator, the unemployed, and the able-bodied poor." -Michael Badnarik |
#5
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OT...auto A/C repair
Randy Replogle writes:
Apparently the bearing is going out on the pulley end of the A/C compressor. Can bearings be easily replaced or should I just replace the compressor? I'm not sure which bearing you mean: if it's actually in the clutch, the clutch can be replaced. If it's in the compressor itself, some sell parts and some don't. But frankly, in either case I'd probably just replace the compressor -- in my experience, if a clutch goes, the compressor isn't far behind anyway. |
#6
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OT...auto A/C repair
Randy Replogle wrote: Apparently the bearing is going out on the pulley end of the A/C compressor. Can bearings be easily replaced or should I just replace the compressor? Randy \ There is a carbon mechanical seal inside the compressor to seal the freon inside the unit. Any shock on the shaft ( dont pound on it) will likely crack the seal and then the compressor will have to be rebuilt. I would pressureize the compressor and do a leak check before I put money in replacing the bearing on the clutch. A soap bubble test will probably be good enough. John |
#7
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OT...auto A/C repair
Randy Replogle wrote:
Apparently the bearing is going out on the pulley end of the A/C compressor. Can bearings be easily replaced or should I just replace the compressor? Randy Good info everybody, thanks. I also see that you can get a "dummy" pulley that bolts on in place of the compressor as an idler, but it's been hot here lately. Randy |
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