radiator fan not working when ac is on
If the beltviscous clutch fan is moving enough air assuming your car has auto transmission electric fan wont run. We know the coolant 1 and coolant 2 relays are working because the fans come on with the AC.
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Over time this can cause your car to start emitting only hot air.
. Yes a broken radiator fan can cause the air conditiong to stop working. If your Edge has a bad engine temp sensor the radiator fan wont know to come on because the ECU wont know how hot the engine is. Depending on the model year and engine the location varies.
There are usually a couple that are just alike swap one temporarily and if that fixes it swap them back and get a new one. Cooling fans work when AC is on but they will not turn on when engine gets to 230 degrees Fahrenheit without the AC on. Location Chico cA Cars Jeep JL Rubicon Jul 26 2021 1 I got this car recently after it was in an accident.
From you description it sounds as though the system isnt building enough pressure and by relation enough heat to turn the cooling fans on. With another car not a Dodge the radiator fans low speed was courtesy of a ballast resistor in the fan wiring which caused the fan to run at I think half its regular speed. Radiator fan testing points.
If the compressor doesnt run the fan doesnt run. AC and Radiator Fan not working. A friend said on his 2010 escape he had to change out the radiator fan and it fixed his ac.
Not sure of the function of the. I would first verify whether or not the fan comes on with high coolant temperature. Youll need to locate and test the engine temp sensor.
The car started up and ac blew cold for a few seconds then stopped blowing cold. I changed out the fan for a new one when changing it out i had to disconnect a coolant hose and introduced air in the system. The AC system depends upon being able to dissipate heat into the engine coolant.
You really need to have the fan replaced or at least have a diagnostic check to see what is causing the fan to stop working. I lived with it for a year and now its not coming in at all. In other words the system is low on refrigerant.
Step 4 Check the engine coolant temperature ECT sensor. Why does my fan come on when I start my car. I noticed my fan never came on even with the ac set on max.
Start date Jul 26 2021. If the fan comes on when the air conditioning is operating at maximum volume but doesnt run properly when the engine is warm or hot then you might need to check the temperature switch. When the fan no longer ran at low speed -- but ran when the AC was on or when the coolant temperature got to the high speed fan threshold -- the problem was this ballast resistor had.
If it does end up being this sensor they are very affordable. Run jumper wires between the connectors two electrical terminals. Depending on if and when the radiator fan comes on will affect what you should do next and if the radiator fan has stopped working.
See Contact Test in Step 1. Instead high side pressure is monitored and when a high enough value is reached the PCM will turn on the radiator condenser fan relay. On many later model systems the radiatorcondenser fan will not turn on the moment the AC.
Anything we are missing. If the fan does not turn on you will need to replace it. This is what is happening cooling fans will not come on except when the AC is turned on and they will stop working when the AC is turned off otherwise the car will over heat.
Faulty Cooling Fans When fans arent properly functioning your condenser may not receive properly cooling. If it does not find the relay. Up to 8 cash back The best remedy for this is getting your AC serviced.
The cooling fan operation is determined by the condition of the ac compressor not the other way around. If the radiator fan is in working condition move on to the next step. Unplug the radiator fan connector.
Will a bad radiator fan cause AC not to work. If you think the cooling fan isnt working because your temperature gauge is indicating overheating open the hood start the engine and let it idle for 15 to 20 minutes. The best way to check if the cooling fan is broken is through a visual inspection.
No only comes on when the coolant is too hot. See your whats this wire for thread for an explanation of the coolant temp sensor found in the radiator. This is what I have doneReplaced the fans because the radiator fan was bad after hooking them up directly to the battery.
Three things to check the fan motor itself may have failed the relay that switches the fan on my have failed the pressure switchsensor in the AC system may have failed and thus doesnt signal the fan to turn on. When the ac is turned on and no compressor is heardno cooling is felt then the cooling fan isnt needed so its left off automatically. Relays you usually have multiple of the same relay so you can swap them around and see if its the relay.
Unplug the two wire connector from cooling fan connect test light to the two wires start engine and turned on AC if tester lights up replace cooling fan motor. Your cooling fan comes on when the. If the fan comes on you may have a bad temperature sensor or gauge.
None of the AC compressor lines were visibly. If your radiator or cooling fan is not working and youre trying to find ways on how to diagnose or trouble shoot the problems then this video might give yo. Well i did check coolant temp sensor it is pluged in lower radiator hose this.
We have swapped relays changed the coolant temp sensor.
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