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Jeep problem-need advice
Posted 19 July 2010 - 09:50 AM
Posted 19 July 2010 - 10:46 AM
When the AC was blowing hot air this means it wasn't engaged. System could be low on refrigerant or the AC compressor could have gone off line because of the underhood temperature. Don't quote me on this but I think the compressor has a thermoswitch somewhere. When the compressor gets too hot, the switch turns off the compressor. I know my wagon will do this on very hot days and when I sit for 30 or more minutes with the engine just idling.
The fan has to have a relay somewhere. It may be failing.
Easy way to determine if the fan has not failed is to unplug it and then run 12volts to one side and ground the other. If the fan turns then you know it is not the problem.
Posted 19 July 2010 - 03:32 PM
if you hook the two wire leads as said, and fan turns on and runs, then you know its a sensor or relay or fuse
There is a thermoswitch on your block
there s a temp sensor on your radiator.
then you have the relays
usually the thermoswitch goes haywire first, or you have fuses blown. check under the hood in fusebox, and check in compartment block of fuses. there may be 2 fuses for the fans
Posted 19 July 2010 - 05:07 PM
Posted 19 July 2010 - 05:18 PM
It is not unusual for this type of fan control to go bad.
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