11-27-2012, 12:51 PM
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#1
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AC Compressor Clutch Replacement, to do or not to do?
I got a little helicopter (tapping noise) coming from the engine bay. Upon inspection last night, I noticed that whenever the AC clutch engages, the noise starts up... so...
Have any of you replaced just the clutch? I have searched the forum and can't find anybody providing details to the job.
Thanks guys.
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11-27-2012, 01:27 PM
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#2
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When it happened to mine, I found that you can just replace the clutch. I however just bought a new Denso compressor online and swapped it in. I think if you find a Factory service manual it will outline the clutch replacement.
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11-27-2012, 05:16 PM
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#3
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So long story short, same noise, same symptom. I ordered an AC clutch, around $80 to $90, pulled the old clutch, not TOO difficult.
When i got ready to install the new clutch, i noticed the shaft on the AC compressor had basically worn a groove on half of the outside tapered part, about 1/16th of an inch. It's like the old AC clutch was harder material than the compressor.
So now i'll be having a compressor installed before it warms up.
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11-27-2012, 09:27 PM
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#4
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Last month I bought the bearing for about $25, pressed out the grinding bearing, pressed in the new one. Viola!
Automobile Air Conditioning Parts of Tucson Arizona, Century Auto Air, AC Parts, AC Service and Hoses, www.centuryautoair.com
Check out his youtube links for tips on how to get the job done.
CENTURY AUTO AIR CONDITIONING
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11-27-2012, 10:47 PM
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#5
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You might get the noise from the compressor itself. How do you figure out the noise is coming from the clutch?
It is easy to replace the clutch. You will need a 10 mm spanner and a snap ring pliers to remove the clutch.
To have a good mileage with your clutch, apply compressed air to the clutch whenever you clean your truck engine with compressed air.
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05-17-2014, 07:49 AM
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#6
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So I had the same issue. When the clutch was engaged, I would hear the "helicopter" sound as mentioned above, and the pulley would start to wobble. I originally thought the clutch bearing was bad(which it may have still been).So I bought the Century Auto clutch bearing and pressed it in. The ring was quite difficult to remove. However, after replacement, the wobble was better but not gone. Apparently, the inside collar that the bearing slides onto is worn down to the point that the bearing and clutch itself wobbles on the collar. This collar is part of the compressor housing. Replacing the compressor next..bummer
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07-03-2017, 07:37 PM
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#7
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Quote:
Originally Posted by mochilln00
So I had the same issue. When the clutch was engaged, I would hear the "helicopter" sound as mentioned above, and the pulley would start to wobble. I originally thought the clutch bearing was bad(which it may have still been).So I bought the Century Auto clutch bearing and pressed it in. The ring was quite difficult to remove. However, after replacement, the wobble was better but not gone. Apparently, the inside collar that the bearing slides onto is worn down to the point that the bearing and clutch itself wobbles on the collar. This collar is part of the compressor housing. Replacing the compressor next..bummer
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I know this thread is a few years old, but do you have a link to the bearing you purchased?
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Quote:
Originally Posted by *Kevin C.
First I thought the blinker fluid was out but then I thought no it's not that...
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07-03-2017, 08:48 PM
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#8
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07-04-2017, 01:32 AM
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#9
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Can a mod let me start a new thread i have a urgent problem with compressor install. Need to know if the wire plugs into the compressor. I ordered a new one but on the old one the wire was not plugged into what i'm assuming is the temperature sensor. Pleade help asap
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07-04-2017, 11:45 AM
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#10
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There is a one wire that is plugged into the magnetic coil to pull the clutch on the compressor. There is no temp sensors around.
A picture would be ideal to solve the issue you have.
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07-04-2017, 02:04 PM
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#11
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Mine is on the Fritz to!! It might be better to order a whole new rebuilt compressor! I know it's a lot easier and I found a nice refurbished/rebuilt one with less than 100k on eBay for less than 200 bones that way you got a whole new unit that you know it's been rebuilt good to go. Ima lol about simplicity and if I'm going to do the work I might as well upgrade and by the whole unit for a little more money
HTH
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07-04-2017, 09:28 PM
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#12
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Quote:
Originally Posted by Presticlese
Mine is on the Fritz to!! It might be better to order a whole new rebuilt compressor! I know it's a lot easier and I found a nice refurbished/rebuilt one with less than 100k on eBay for less than 200 bones that way you got a whole new unit that you know it's been rebuilt good to go. Ima lol about simplicity and if I'm going to do the work I might as well upgrade and by the whole unit for a little more money
HTH
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I'd have more confidence in a factory original Denso compressor with a new clutch than a lot of the rebuilds out there.
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07-04-2017, 09:29 PM
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#13
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Just wanted to let you know that reman AC compressors are no good. Find a low mile AC compressor. The way to check the compressor is to cover the high side by thumb and turn the compressor about 45 degrees. You should feel a high pressure at your thumb.
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07-04-2017, 11:06 PM
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#14
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Ultrarev.com has new denso compressors for 3rd gens 200-250
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07-13-2017, 10:52 AM
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#15
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Quote:
Originally Posted by Presticlese
Ultrarev.com has new denso compressors for 3rd gens 200-250
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You got a part #? I'm getting into the same thing. Going the new compressor route.
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