'90 190E A/C took a dive (found a good thread but can't find it again)

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'90 190E A/C took a dive (found a good thread but can't find it again)

07-12-2003, 02:21 PM

psfred

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Join Date: Aug 2001

Location: Evansville, Indiana

Posts: 8,150

Replace your serpentine belt, it's slipping and the Klima relay is switching the compressor off.

You also need to find and fix the leak, then evactuate (apply a hard vacuum for an hour or more) the system BEFORE charging, especially with R134a -- water vapor will cause the formation of hydrofluoric acid. The acid will corrode EVERYTHING in the system, including the teflon coating on the compressor pistons!

Peter

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