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Old 08-06-2011, 06:20 PM   #1 (permalink)
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Hi guys. My 08 Pilot was low on r134. I made the mistake of adding some R134 myself. I think I overfilled it because the a/c stopped working completely. I think the compressor clutch burned up - I smelled a smell that was combination of burning rubber and freon -- I see some burned rubber on the outside of the compressor clutch and little rubber debris nearby (like little rubber pieces thrown out by spinning compressor). I am certain I need a new compressor. Does the car have a pressure relief valve that would vent excess pressure? Most cars will keep the compressor clutch from engaging if the pressure is too high (high pressure switch); does the Pilot have this (I'm guessing not?). Really mad at myself. I have appt. at dealer for Mon. a.m. but welcome thoughts.
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Old 08-06-2011, 07:27 PM   #2 (permalink)
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If you're seeing noticeable debris outside, it's probably inside the system too. If this is the case you will need to have all of the tubing to the AC system cleaned. Lets hope it didn't affect any of the other parts. I had a compressor on a 2002 Honda Pilot blow and the whole AC system had to be replaced because of contamination (small particles of the compressor in the tubing and parts). I hope it's nothing too major for you. Good luck!
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Old 08-10-2011, 01:25 PM   #3 (permalink)
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Update - the problem was apparently the compressor clutch and the field coil which activates it. Not cheap but not too bad, all things considered.
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Old 08-10-2011, 09:11 PM   #4 (permalink)
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Good for you !!

Typically when the compressor goes you need to change the accumulator cause that is where the garbage from the dead compressor lands. There is usually a filter that keeps it from migrating. If they are changing out more than that ... question them!!!!!!!!!!!!!
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Old 08-16-2011, 11:41 PM   #5 (permalink)
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Playstrings, in my case the compressor was apparently ok internally. Only the clutch and the coil which activates it were replaced. So there was no garbage floating around the system. Just finished a 1,600 mile road trip in the Pilot and it and the a/c worked great.
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