Question about AC Cars & Trucks
01 focus se 2.0l zetec,,, have replaced all relays, ressistor n plug...matched the wires from old plug.. also have renewed TPS,CHT sensor, PVC and other sensors. Cooling fans come with AC on. Turn off AC, fans go off and it runs hot. Temp gauge only goes have way, but recovery tank overflows.
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Posted on Jan 02, 2017
SOURCE: cooling fans will not run
Most GMs use a relay package to turn on the fans. That is often controlled through a processor package. Very complicated...if yours is one of them. You will need Mitchell's manual or equal to trace this to see if you have all the signals.
Posted on Jun 19, 2008
SOURCE: cooling fan not working
The fans only run when the engine reaches approxminatly 235 degrees F. on the guage that is near the end of scale just before guage show "HOT" I don't think you have a problem, allot of folks out there don't know about this.
Posted on Aug 22, 2008
the relays control circuit is grounded by ECM (computer) . to check this make sure the is hot enough for the fans to be commanded on by computer and check to see if you have voltage at relay and it has ground from computer . you may need ECM.
Posted on Jan 28, 2009
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