Hi everybody
I have just replaced a leaking evaporator. I have also replaced drier/accumulator including pressure switches and all O-rings.
Then I charged by weight, with R12. I realized that the pressure I got was relatively high on the low side (around 45 psi) and quite low on the high side (190-210psi). So in heavy traffic the auxillary fans are not triggered by the pressure switch, only when the engine revs up the fans are cutting in.
Also I keep reading that the coolant temp sensor triggers the fans at 105 C? Mine (car is 300TE from 1992) does not, but seems to function as an emergency switch to disengage compressor and enagage fans at 130C.
My questions:
- Is my compressor on its way out? Can I wait or shall I replace it now (danger of sudden "black" death)?
- Is there a trick to make the fans kick in earlier (at low speed), say at 100C? Would that cool harness be a solution?
Many thanks for yoou rcomments!
Bruno

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1992 300TE 160 kmiles