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AC compressor won't engage 200 1992

posted by  Herb Goltz on  Tue May 25 08:13 CST 2004
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last visit: Fri Oct 24 13:23 CST 2014
[RELATED]

Hello all:

The compressor on my '92 245 will not engage on its own. I can get it to run by (briefly) jumpering the low-pressure switch on the accumulator. I am not equipped to test for pressure in the system at home, but I did trace all the lines and had a close look at the condenser-- everything looks fine-- no black goo or oil on any of the joints.

I know that this is a classic symptom of low system pressure, but are there other things I can rule out first? How do you test the low pressure switch? Are there any relays that I should examine-- if so, where are they located? Again, this is a '92 with the later 700/900 style AC.

Any/all wisdom would be appreciated!
--
Herb Goltz, London, Ontario, Canada '92 245 w/102K mi






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