Why does my radiator fan not turn on?
If the fan doesn’t come on, you need to look for a blown fuse or breaker. In older cars, you might have a fusible link – this is wire within an insulated block of rubber. Try to grab the end and stretch it. If the wire stretches, the wire link could be broken and you’ll need to replace it.
What is a symptom of the radiator fan not working?
If the fan fails, the condenser can’t do its job and the A/C system will blow warm air. Warning lights are on: A faulty radiator fan can trigger warning lights such as the engine temperature and check engine lights. In some cases, the A/C system may also display some type of warning, such as a flashing A/C button.
Where is the fuse located for the radiator fan?
Where is the fuse for radiator fan? The cooling fan relay is normally located in either the underhood fuse and relay center or mounted to the electric fan assembly behind the radiator.
What causes a radiator fan to stop working?
Voltage spikes, high resistances in control circuits, defective vehicle batteries, bad wiring, short circuits, moisture, corrosion, and even excessive vibration due to damage to the fan itself can all cause a fan motor to fail.
How to diagnose radiator fan problems?
Part 8 of 9: Check if the radiator cooling fan is faulty Locate the radiator cooling fan. Park your vehicle and apply the parking brake. Open the hood and locate the radiator cooling fan. Warm the engine. Start your vehicle and allow the engine to run until it begins to get hot. Check the cooling fan. When the engine starts to get above the normal operating temperature, watch the cooling fan.
Why isn’t the radiator fan working?
The biggest cause of a radiator fan not working is a broken fuse. To see if the fuse is intact and working, you’ll need to look at the fuse panel in your vehicle which will probably be under the hood. The actual location will be listed in your owner manual and will show which fuse works for which component.
Why does your radiator fan keep going on and off?
Here are some possibilities causing the fan to stay running longer. low coolant level, faulty coolant temperature sensor, PCM or ECU defective. coolant leaks from the water pump, cracked radiator, worn upper or lower radiator hoses, leaky heater core, leaky thermostat housing,