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A/C Low pressure switch part number for 93 R134a 200 1993

posted by  ez_pieces on  Sun Jul 8 17:14 CST 2007
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last visit: Wed Jun 23 00:37 CST 2010
[RELATED]

I'm trying to get the AC working in my 93 240 and I think I have a bad low pressure switch (aka pressostat) at the accumulator. The compressor never engages until I jumper the contacts on the pressostat contacts.

Checked low side pressure and found around 35 psi (compressor should be running).
When I jumper the contacts, the compressor kicks in and sucks the pressure down very low.
I think I need a new pressure switch and probably a recharge on the system.

Or, could it be that there is a blockage on the high side that is preventing refrigerant from getting to the accumulator?

Anyway, I am having some trouble confirming the correct part number for the 1993 AC system (factory R134a).

I see 1343216 listed for 92 and later 940s (R134 systems similar to the one in the 93 240).
Is anyone familiar enough with the 93's to confirm this?





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