radiator fan not working when idle
After car is warmed up and at idle the fans do not come on. If this is not the issue the temperature sensor or ECU may have a problem.
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If the radiator fan is still constantly on it is most likely caused by the fan relay being stuck closed.
. It over heats when its at an idle. Set your air conditioning to the MAX setting and turn it on. Up to 8 cash back It over heats when its at an idle.
A radiator fan that is constantly on may be triggered by the air conditioning when it is on. Big 12v and GND and one small fan speed control PWM signal wire. The radiator hose is very hot and there is a lot of pressure built up in the hose and antifreeze starts to seep out of the top of radiator but i cant pin point were it is coming from.
If the engine is heating but the fan isnt kicking in check the fan wires. Check the fuses for the electric radiator fans. My car has 2 main problems Im trying to solve.
Radiator fan not working. Check for continuity on the small PWM wire from here to the DME connector. Youll have to remove the radiator cap and allow the engine to idle to observe whether the coolant is flowing or not.
Even in accessory mode the fans kick on full blast. About 2 mins later ac kicks in and starts working fan kicks back on. Unless the wiring issue is fixed the fuse will blow again.
The cooling fan should come on immediately or within the next couple of minutes. Certified Mechanics Fix Your Car in Your Driveway. There must be 12V between those 2 big wires to supply the controller.
Available 7 Days a Week. Radiator fans not working and car overheats while idle asked by Seth C. They are constantly running on the highest setting regardless of temp.
My car has an automatic transmission. Radiator fans Not working properly. There are five causes of a radiator fan not working condition Blown fuse electric radiator fans.
Im putting together a video of my 1991 SC 5-Speed starting up and running. Help You Find Connect With Local AC Repair Pros. Best to measure this with an oscilloscope.
If it is not replace it immediately and this should take care of the problem. It is possible to test the radiator fan by connecting it to an alternative power source such as direct battery power to see whether the problem with the fan remains. If your DVM has the frequency function then.
This is a 2 in 1 special. The first thing that you would want to do is locate the fuse for your Focuss radiator fan and make sure that it hasnt blown. 2 check the 2 wires from the controller to the fan.
Replace the fan relay. 30 Day Return Policy. 1 At radiator upper right there is a big connector with 3 wires.
Had the AC system checked. Garage Equipment Car Care More. Radiator fan not working After car is warmed up and at idle the fans do not come on.
Its Fast Easy Free. It idles rough when cold and the radiator fan doesnt kick on when its supposed to. You can check this by plugging a different power source into your radiator fan.
If the fan spins then the fan is ok. Start by unplugging the wires. Still at idle 15 mins later ac starts blowing warm again 20 mins later I read 240 per torque pro app.
Its Fast Easy Free. Try to measure the voltage in AC mode not DC. Make sure the fuse for the radiator fan is intact.
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Im hoping someone out there with more Super Coupe experience can. The wiring harness itself can go bad. If it is blown replacing the fuse will only solve the problem for a very limited period of time.
Radiator fan not working when idle Thursday March 17 2022 Edit 2 Detach the wiring harness clips and remove the cooling fan to shroud mounting bolts 3. Hey guys here we bring you another fix. It over heats when its at an idle.
No the AC will turn the radiator fan on to pull air across the condensor. Radiator Fan Motor Not Working Correctly. 7 Days a Week.
Get a fuse kit here with multiple sizes for multiple quick repairs. When I bought this car for my brother it came with some codesP0302 - misfire cylinder 2P03. Check these things out.
On July 26 2016. You have way too many variables in there. If the car still overheats when the AC is not being used then you know its a cooling system issue.
If it doesnt spin or it spins with a lot of trouble then the problem is probably the fan motor that is inside. Ive had my 370z for about 8 months and I havent been able to fix the problem with my radiator fans. Ive replaced the thermostat which was faulty coolant temp sensor.
Help you Find connect with Local AC Repair Pros. Unplug the connector that feeds power to the radiator fan and connect it to a battery. Ad Find Car Parts Accessories Tools.
Replaced the radiator fan assembly but they still wont spin. Has the Cooling Fan Actually Failed. Ad Get the Best Priced Radiator.
Help you Find connect with Local AC Repair Pros. On many modern vehicles if you want to confirm whether your cooling fan is in working order you can start the engine and let it idle. 1 Year12K Mile Warranty.
Be sure the air conditioning is off. If you have a belt-driven fan and your engine overheats at idle but not at highway speeds AND your coolant level is at the proper level you may have a faulty radiator fan clutch. My car has 167000 miles.
There are five causes.
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