Why won't the radiator cooling fan turn on?

Asked by Jun 27, 2016 at 09:15 PM about the 1987 Oldsmobile Cutlass Ciera

Question type: Maintenance & Repair

Not a robot, just a frustrated car owner. 2.5L engine with A/C. Cooling fan
bench tested good. Fan temp sensor tested good for grnd to block. Temp
sensor tested good in boiling water. With ignition switch on, fan plug (to temp
sensor) tested good with test light coming on. Temp idiot light on dash comes
on when overheating. Any other ideas?

1 Answer

1,690

thermostat? maybe radiator hoses (they tend to rot inside)..

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