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Old 06-18-2008, 08:53 PM   #1
deadfanii
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Default ac clutch open circuit

I have a 2000 SW. The ac is not working. I have a one wire connection. It shows >12Volts on the connector when measured to chassis of compressor. The clutch coil appears to be open compared to the chassis of the compressor. The clutch does not engage or make a clunk when connected to battery +. I am fairly convinced there is a problem with the clutch coil.

Can the clutch/clutch coil be replaced without replacing the whole compressor? Any other possible problem that could show these symptoms?

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Old 06-18-2008, 09:53 PM   #2
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Default Re: ac clutch open circuit

Good troubleshooting is beginning to separate a blown clutch coil from the more typical problems of leaks!? Unofficially, you've become the second or third person to post of a failed compressor clutch. Unfortunately and unless you are capable of removing a clutch coil with the proper tools needed or know how to fabricate tools to remove the clutch coil assembly, your only choices left are replacement of the entire compressor with clutch or find someone someplace that has the tools/skills to remove and replace the clutch coil assembly. There's always the choice to have the entire job done by a pro.
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Old 06-18-2008, 10:59 PM   #3
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Default Re: ac clutch open circuit

Thanks for the quick reply. I think I will have to go pro. Do you think they will only replace the clutch? Should I look for an AC specialist instead of the local shop?
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Old 06-18-2008, 11:28 PM   #4
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Default Re: ac clutch open circuit

This is only my opinion as I think the local a/c shop would be spending more time, if they have the tools, to replace the clutch coil than to replace the whole compressor/clutch assembly outright. There's also the question of whether an old compressor is worth using from a shop's business perspective. Good repairs are done once and if a questionable old compressor is re-used with a new clutch coil assembly and something goes wrong you're naturally going to blame the shop. This doubt is immediately eliminated with a whole new compressor and clutch being replaced at once with a warranty to cover materials defect to the compressor and a lesser amount for the rest of the system if failure occurs. If you're quoted repair prices that seems high, you can always negotiate buying a compressor/clutch assembly from someplace at lower cost and negotiate with the shop for installation, without a warranty of course. Everything is negotiable since its your money.
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