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Re: 4000 A/C Question, Low speed fan

Another data point: the radiator fan in the 4k cars is a one-speed
type.  It doesn't have a "low speed" setting.  Also, it's not supposed
to turn on when the A/C is on, but rather when the A/C pressure is high
and/or the water in the radiator is hot.  So the fan could be cycling
just like your expansion valve cycles!

Luis Marques
'87 4kcsq