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A/C woes! 850

posted by  KlausC on  Sat Jul 23 15:22 CST 2011
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

You probably haven't checked the compressor clutch or the pressostat switch. The switch is on the line heading to the firewall, unplug it and jumper the 2 leads with a paper clip - if the compressor does not engage and the engine is cold, AC switched on, blower on, then you might need a new pressostat sw.

To check the clutch, have everything on and running. Use a broom stick or other piece of wood and push the edge of the clutch towards the compressor. Watch out for the S belt! If the clutch engages for a little bit, then you need to shim the clutch. Bread clips work great.

BTW, the AC really doesn't work well above 95F.

Klaus
--
Always willing to listen, just not able to take direction.






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