How to Repair a Radiator Fan
- Allow Your Car to Cool. If you have just discovered the problem and your engine has been running, it is very important to allow the engine and ...
- Remove the Fan. Locate your radiator and find the cooling fan. ...
- Clean the Fan. ...
- Check Your Fuses. ...
- Re-attach the Fan. ...
How do you replace a radiator fan motor?
Replacing a Radiator Fan Motor!
- Removing the Fan Assembly. The upper radiator hose must be disconnected at the radiator or removed completely. ...
- Removing the Motor. An 8mm nut holds the fan blade to the motor shaft. ...
- Comparison. The new motor is slightly smaller. ...
- Preparing the New Motor. ...
- Storing the Oem Motor. ...
- Reassembly of the Fan. ...
- Installing the Fan Assembly. ...
- Completion! ...
How to replace a radiator fan motor?
- Socket set
- Wrench set
- Replacement cooling fan
- Fluid catch basin
- Protective eyewear and gloves
- Hose clamp tool or channel locks
How much does it cost to repair a radiator fan?
At an independent shop, the labor would cost $230 and the cooling fan assembly (radiator fan, condenser fan, and shroud) can range between $120 and $200 depending on the brand and markup. At the dealership, the labor would cost $345 and the radiator fan replacement cost would be between $275 and $330.
How to manually turn on a radiator fan?
- Using the ratchet and 10 mm socket, disconnect the red 12V power lead from the battery.
- Release the fuse box by pulling out the plug holding it down toward the front of the car. ...
- To disconnect the bottom, use a flat screwdriver to release the tabs all around it. ...
Can radiator fan be repaired?
If you're a DIY person, learning how to fix a radiator fan can help you save your car engine from damage. Overheating issues often result from bad cooling fans. If you know how to, you can easily correct them. This chapter will show you how to repair a radiator fan using only a few tools.
How do you service a radiator fan motor?
0:113:56Servicing a car radiator fan motor - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou can also use a little bit of brute force. But that might make it harder to get it back togetherMoreYou can also use a little bit of brute force. But that might make it harder to get it back together later then you can slide this back bit off now be careful because there are brushes here.
How do you fix a radiator cooling fan?
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.A wiring problem (blown fuse, loose or corroded connector, shorts, opens, etc.)Bad fan motor.More items...
What causes radiator fan to stop working?
The most common reasons a radiator fan is not working are luckily due to a blown fuse, bad relay, or a broken wire. It can also be caused by a faulty coolant temp sensor, low coolant level or the fan itself can be damaged.
How do I know if my radiator fan motor is bad?
What are the signs and symptoms of a bad radiator fan?fan not coming on. The most common bad cooling fan relay symptom is that the cooling fan will not come on. ... Blown radiator fan fuse. ... Temperature warning light. ... Poor A/C performance. ... Vehicle Overheating. ... A loud whirring Noise.
How do you test a radiator fan motor?
How to Test Radiator Fan with Car BatteryFind the cooling fan next to the radiator or use your car manual to locate it.Unplug the connector.Use jumper wires to power the motor directly by connecting it to the car battery.If the motor spins it's in good condition and the problem is either a blown fuse or bad relay.
Can you drive a car if the radiator fan is not working?
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.
How do you bypass a radiator fan?
1:445:08How To Bypass Radiator Fan Switch - YouTubeYouTubeStart of suggested clipEnd of suggested clipThis switch i just have a jumper wire something i purchased off amazon years ago as always i'll haveMoreThis switch i just have a jumper wire something i purchased off amazon years ago as always i'll have links in the description. Box below the other thing you'll need is either a paper clip cut in half.
Is engine fan and radiator fan the same?
The cooling fan is also known as a radiator fan because it's mounted directly to the radiator in some engine layout. Typically, the fan is positioned between the radiator and engine as it draws heat to the atmosphere. In front-wheel cars, the cooling fan used is an electrical component powered by the battery.
What sensor turns on the radiator fan?
coolant temperature sensorOn most modern cars, the cooling fan is controlled by the Engine Control Unit (ECU) which gets a signal from the coolant temperature sensor.
How can you tell if a fan relay is bad?
Keep a lookout for the following bad cooling fan relay symptoms:The engine runs hot or overheats. ... The cooling fans don't work. ... The cooling fans keep running. ... Warning lights. ... Poor air conditioning performance. ... Swapping Relays. ... Measuring the Relay Coil's Resistance. ... Listening for Noises.More items...•
Should radiator fan turn on when AC is on?
The A/C condenser (the part which sits in front of the coolant radiator) is a heat exchanger. If air isn't flowing over it, it won't exchange the heat it needs get rid of so the A/C core inside the vehicle can become cold and make you comfortable. If the fan didn't come on, you'd still be warm inside.
Can you lubricate a radiator fan?
You can buy proper oil for electric motors in a little squirt bottle. It's made by 3-in-1. i'd say you can probably use it in the motor without any harm.
How do you clean a radiator fan?
0:091:57Car Washing & Detailing : How to Clean Radiators - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe best way to clean a radiator is to use a bug cleaner you can get it from your local auto. StoreMoreThe best way to clean a radiator is to use a bug cleaner you can get it from your local auto. Store what I would usually suggest is taking some soapy water. And getting all the paint.
How do you open a fan motor?
1:1217:23Electric Fan Motor Repair - YouTubeYouTubeStart of suggested clipEnd of suggested clipIn this case it's a special screw but you can generally get those open with just a small slottedMoreIn this case it's a special screw but you can generally get those open with just a small slotted screwdriver it's actually designed for a special tool but you can undo them with a slotted screwdriver.
Why is my radiator fan making noise?
Worn bearings, bent or broken blades, and unbalanced rotating assemblies can cause a fan to screech, howl, or otherwise make noises it shouldn't. Fortunately, switching out a worn fan for a new one isn't a huge ordeal.
How to fix a radiator fan that won't work?
Use pipe cleaners to clean out the small parts of the fan, gently rubbing it back and forth to remove any unwanted substances or materials. A dirty fan could cause your radiator fan to not work, and with a little simple cleaning, you may be able to fix it completely. Check it with 12 volts of electricity to see if it works.
Where is the cooling fan on a radiator?
Locate your radiator and find the cooling fan. The fan should be on the front or the back of the radiator, making it easier to access. You will need to remove any bolts holding it in with your ratchet. There are usually four bolts on most radiators: two on top of the fan and two below.
Why is a radiator fan important?
The radiator fan is responsible for blowing or pulling air around the radiator to keep it cool. Most manufactured radiators come with an electric fan which is easy to replace or repair if needed.
How to tell if a fan is broken?
Find where the fuses are kept in your fan and check them. With some fuses, you can tell if they are broken by holding them up to the light and seeing if a circuit is connected. You can also use a multimeter to check if there are any bad ones. Replace old fuses with new ones and test your fan again if possible.
How to clean grease off of a fan?
If there is, you will need to clean it off. The easiest way to do this is to dip a rag into degreaser and clean off the bad areas .
How many bolts are on a radiator?
There are usually four bolts on most radiators: two on top of the fan and two below. Once the bolts are removed, you should be able to pull it out. Make sure to be careful and pull it out slowly because it is connected to a wire at the bottom of the fan.
Why is it important to let the engine cool down?
If you have just discovered the problem and your engine has been running, it is very important to allow the engine and radiator to fully cool so that you do not burn your hands or cause any additional damage to the engine.
How to fix a Radiator Fan on your Car
First, identify the type of cooling fan your car uses. That’s because the repair options are different. The repair process too, including the parts to take out when removing the fan. Let’s start with the tools and materials that you will be using.
How to Repair Radiator Fan Motor
Here is how to repair radiator fan motor parts by cleaning or changing them. Note that you could choose to replace the motor instead. This part of the repair process will mostly appeal to enthusiasts who are fond of tearing down components for repair.
Radiator Fan Repair Cost
Car owners who know how to fix a radiator fan may still take their cars to a mechanic for repair. Let’s see how much you’re likely to spend when you do that. We will also be looking at the cost when you choose do-it-yourself repair.
