What to do if your radiator fan fails?
If the fans fail to activate after disconnecting the plug, the radiator fan motor has failed and requires replacement. Consult an experienced automotive technician if the problem isn’t found using the above steps.
How do you replace a radiator fan relay?
Remove the radiator fan relay from the fuse block. Connect the ohmmeter leads to the positive and negative terminals on the relay and set the device on its lowest ohm range. The ohmmeter should read “Infinite resistance.” If the device reads any amount of resistance, replace the radiator fan relay.
Why does the Pontiac Sunfire have an electric radiator?
Due to the transverse layout of its engine, the Pontiac Sunfire uses an electric radiator to pass additional cooling air through the radiator, keeping the engine from overheating during extended operation and stressful loads.
What causes a car cooling fan to stop working?
There’s many reasons why a cooling fan could stop working, such as a bad sensor, relay, fuse and more. DIY car repair with Scotty Kilmer, an auto mechanic for the last 42 years. 1. Bluetooth Scan Tool: http://amzn.to/2nfvmaD 2. Cheap Scan Tool: https://amzn.to/2D8Tvae 3. Professional Socket Set: http://amzn.to/2Bzmccg 4.
What should I do if my radiator fan is not working?
A blown fuse is no big deal, and changing one does not cost a lot of money. If your car’s radiator fan is non-functional, check your car’s user manual and locate the fuse for the radiator fan controller or the fan. The fan itself often uses a big fuse of around 50A, while there might also be a separate small fuse to the fan control module.
Where is the relay on a radiator fan?
The fan relay is often located in the engine bay’s fuse box, but the best way is to check your repair manual to find where it is located. Testing a 4 pin relay is often very straightforward. Remove the relay and give 12 volts to pin 30 and 85. Ground pin 86 and check if there is voltage coming out from pin 87.
Why does my coolant light keep turning on?
Your thermostat may be stuck open and causing improper readings. If you recently had your thermostat replaced, check to see that it was replaced with the correct temperature range. Your coolant light might be signs of a more major engine problem.