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A/C Evaporator Question FCP GROTON...what to do next???!!! 200 1984

Hi Robert,

There was some crud at the compressor. (a very fine, grey dust). the expansion valve area and connections were clean.

that's why my thinking leads to a condenser blockage. This crud should be further forward if it wasn't the condenser. I have some gauges that I will put on as Mike suggested.

Am I correct to assume that really high pressure on the high side (>130 psi) suggest a blockage near the compressor (possibly condenser)?

What if the high side pressure is low?
What if the Low side pressure is too low? or too high?

thanks in advance.

-Greg






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