Can an ac compressor clutch leak?

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bracketchev1221

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Jan 18, 2018
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I have oil coming out of the front side of the clutch outboard of the belt. I would think if it was a compressor seal it would leak out the backside closer to the compressor. The backside is completely dry. Is there a bearing in the clutch that could leak?
 

Ribbedroof

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Pretty common leak point on an R4 compressor
 
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Ribbedroof

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A6s suffered the same thing as well.

Should be able to replace the seal behind the clutch. Seems like maybe you need a puller for the clutch, might have been the bearing.....it's been a long time since i had an A6 on anything.
 

Bonnewagon

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That is exactly where they leak from. All the drive belt load is at that spot.
 

bracketchev1221

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But do I have to replace the compressor or just the clutch? The clutch is noisy when it engages but the pulley spins fine without the clutch engaged.
 

69hurstolds

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Username Centurybob has some pretty good how to's on R4 compressors (and others). Check them out. They also have another doing seals. But this will give you an idea about what you would be getting into should you decide not to replace. If you're handy with tools, you can do this. May need to rent a couple of specialty tools, but hey, gotta do what you gotta do, right?

 

69hurstolds

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Never mind, I just recalled you're talking about the A6 compressors...

 

airboatgreg

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Do yourself a favor and replace the compressor assembly. To replace the seal it requires special tools. Given the age of the compressor it is time for a new one. Replace the accumulator and orifice. Flush system and convert to R134A. Read up on proper oil and the correct amount of oil. Most people put to much. May be a good time to convert to serpentine belt as the A-6 compressor wasn't really made for R134A. I found a donor 94 S Blazer
 
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Ribbedroof

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No reason to convert to 134, R12 is still available if you look around. A PROPER conversion will cost more than buying the R12

But yeah, had the noisy compressor been mentioned at the start, it would have been suggested earlier
 
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