How do you fix a radiator fan?

Asked By: Geraldine Wachsmundt | Last Updated: 16th April, 2020
Category: home and garden indoor environmental quality
4.9/5 (47 Views . 12 Votes)
Most manufactured radiators come with an electric fan which is easy to replace or repair if needed.
  1. Step 1 - Allow Your Car to Cool.
  2. Step 2 - Remove the Fan.
  3. Step 3 - Clean the Fan.
  4. Step 4 - Check Your Fuses.
  5. Step 5 - Re-attach the Fan.

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Herein, how much does it cost to fix a radiator fan?

The average cost for a radiator fan motor replacement is between $634 and $789. Labor costs are estimated between $102 and $130 while parts are priced between $532 and $659. Estimate does not include taxes and fees.

Additionally, can you drive a car without a radiator fan? Yes, you can drive your car without a radiator fan, but you never should. Your vehicle's cooling system is crucial to its performance, and every time your engine overheats, you cause damage.

In respect to this, what causes a radiator fan to stop working?

ELECTRIC COOLING FAN PROBLEMS Six things may prevent an electric cooling fan from coming on: Defective temperature switch, coolant sensor or other sensor. Engine thermostat is stuck OPEN (engine never gets hot enough to turn on the fan) Faulty fan relay.

Which fuse is for the 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.

25 Related Question Answers Found

Should radiator fan turn on when AC is on?

All cars run hotter with the ac on. If you have 2 fans (some only have one) the a/c fan should come on as soon as you turn the a/c and the ignition on. The cooling fan may never come on, depending how hot the engine is.

Will a bad radiator fan cause AC not to work?

Yes, a broken radiator fan can cause the air conditiong to stop working. 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.

How do I know if my radiator fan is bad?

Symptoms of a Bad or Failing Cooling/Radiator Fan Motor
  1. Cooling fans do not come on. The most common symptom of a faulty cooling fan motor are cooling fans that do not come on.
  2. Vehicle overheating. Another symptom of a possible problem with the cooling or radiator fan motors is the vehicle overheating.
  3. Blown fuse.

When should you replace a radiator fan?

Another way is to watch the temperature gauge, and if it constantly reads high, it may be time to have your cooling/radiator fan motor replaced. To keep this part in good working condition, the coolant should be changed every 25,000 to 40,000 miles.

How much is a cooling fan relay?


So, when the cooling fan relay stops working, the coolant can get too hot, and the car can overheat. To get your cooling fan relay replaced, you will pay, on average, $80-$160, depending on the type of car you have and the mechanic's fees. The labor should cost around $70, while parts should run you $10-$50.

Can an egg fix a leaking radiator?

If you are far from a garage and your radiator is leaking, you can use eggs to patch small holes and temporarily plug the leaks. Heat from the radiator will cook the egg whites, and pressure will force the eggs into the holes, fixing the leaks long enough to take your car to a garage for repairs.

Where is the cooling fan sensor?

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.

Where is the cooling fan switch located?

Locate the cooling fan switch near the thermostat housing on the left side of engine behind the distributor assembly.

Does the coolant temp sensor control the fan?

The sensor works by measuring the temperature that's being given off by the thermostat and/or the coolant itself. The temperature is then sent to the on-board control system. As the control system receives the temperature from the CTS, it may trigger the cooling fan to either shut off or turn on.

How much does it cost to replace a cooling fan?


The average cost for cooling fan replacement is $240 to $610 depending on the make, model, and style of cooling fan used.

Do radiator fans always spin?

This unit spins when the engine is running, and it always spins at the same rate as the engine. The faster the engine is running the faster the fan will spin. If you find that your vehicle is not cooling off properly, the radiator fan might be the culprit. You can replace the fan with a new unit.

Can water be used instead of coolant?

Yes, the water can be used as a coolant only in unavoided situations. However, the water will not work properly as the antifreeze since it may cause some damages to your engine.

Are radiator fans any good?

The Radfan Radiator Fan is wonderful for any large-sized room and slips into place within seconds. It doesn't lead to newfound inefficiencies and continues to work without a problem. Whether it is a traditional living room or a modern-sized dining room, this radiator fan isn't going to miss a step.

Is radiator fan important?

The radiator fan has an important job in the engine compartment. It can push air through the radiator core or pull it through. It must cool the antifreeze that circulates through the block and head passages and reduces the engine temperature.

Will a bad radiator fan cause overheating?


A faulty radiator fan can cause many problems. These are some of the most common: Engine overheating: A bad radiator fan can cause the engine to overheat, especially at low speeds. If your car starts overheating, pull off the road as quickly as you safely can and turn off the engine.

How do I cool down my engine?

If your engine is overheating, do the following to cool it down:
  1. Turn off the air conditioner. Running the A/C puts a heavy load on your engine.
  2. Turn on the heater. This blows some excess heat from the engine into the car.
  3. Put your car in neutral or park and then rev the engine.
  4. Pull over and open the hood.

Does the radiator fan have a fuse?

A radiator fan is necessary to keep your car cool. The fuses inside of the radiator fan must be in good working order to make sure that the engine is able to stay cool. Without these components your car overheats.