There will be two wires of positive and negative feed. They should be putting out around volts of direct current. If there is not, you need to check both the wires and the . Knowing how they work should convince you of its importance.
I noticed high temperature on the temp guage meter and also some vapour from under the bonnet.
An electric cooling fan that is not coming on when it should can cause an engine to overheat and poor cooling performance from the air conditioner.
Are you having the same problems as me?
For more How to and diy videos subscribe to. A yellow light is likely to mean that the coolant level is low while red means that your engine is overheating. An electric fan motor should freewheel also, if resistance is observed the fan motor has failed and replacement is required.
Trouble shooting an over-heating engine. Radiator cap has to hold good pressure and be on the . Check for cooling fan problems using this simple guide and tips. The cooling fan should come on immediately or within the next couple of minutes.
This should engage the AC compressor clutch. A radiator fan is important as it helps to circulate air within the engine of your vehicle and keep the engine temperature down. When it reaches the right operating temperature, the kick should cut in. Have you noticed that your radiator fans just run all the time and never shut off? If so, there may some issues with your car that you should take care of to prevent any further problems in the near or distant future.
They said they cooling fans should kick on when the coolant temp is about 210F but they were unable or unwilling to tell me the corrollation to the gauge that has no numbers. With no airflow through the radiator , it will soon warm up to the temperature at which the fan should cut in. 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. The engine may overheat if the radiator fan stops working, an event that can cause. The ohmmeter should read Infinite resistance.
Runs on LOW and when the AC kicks in then HIGH. When freezing temp then the fan will also run on low. I have bled the cooling system, replaced the coolant temp sensor and still the fans do not run unless the ac at full blast.
You are looking to see if the PCM sends power to one or both relays to turn on the coolant fans.
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