Jeep Cherokee Electric Fan Not Working
F 2 cooling fan relay.
Jeep cherokee electric fan not working. The cooling fan in a jeep grand cherokee keeps engine temperatures at the correct level by kicking on during times when the engine reaches higher than average temperatures. When you re traveling at high speed there is enough air passing through the radiator to keep everything cool on its own. I think the thermal fan switch is not working its a sensor located under the radiator which turns the fan on and off 8 people found this helpful. If the cooling fan stops working most do it yourself mechanics can troubleshoot it in a few minutes and decide what component needs.
Without it the engine can reach dangerous temperatures and damage engine components. I believe i need schematic to test further. The fan is triggered by the coolant temp sensor and i m guessing the a c high pressure sensor. Electric fan not working.
Yes it will come on with the a c when it reaches a high enough pressure as well as engine temp. The fan does not come on when either the ac or the defroster are turned on. Electric cooling fan on 1999 jeep cherokee does not work. Sidenote we had to remove the ac coil in front of the radiator when we replaced the radiator and therefore lost all freon.
When manually control relay the fan comes on. If fan motor does not operate check continuity between terminal 4 of the relay connector fig. All of your symptoms point to an electric cooling fan that isn t working. 43 and body ground connections on the fender panel back from the relay connector fig.
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