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Car Electric Fan Not Working


Start by unplugging the wires. To check that the fan is working, listen for it cutting in and out, and watch the temperature gauge. Clean the parts that are to be reused, simply by degreasing or even by repainting. http://www.ultimatesubaru.org/forum/topic/123714-subaru-overheating-only-in-cold-temps-and-at-interstate-speeds/ .. 4 out of 4 people think this is helpful.

Always fit a new sealing washer. The fans were seized up so they were replaced! Typically when the engine computer loses the signal from the coolant temp sensor, it just turns both fans on high so the engine will not overheat. #4 LTC8K6, Mar 28, Sign in to add this to Watch Later Add to Loading playlists... other

How To Check If Radiator Fan Is Working

To check it, disconnect the wires from the sensor and touch them together. CarsNToys 598,673 views 6:42 Top 5 Reasons Why Your Car Is Overheating - Duration: 2:38. ELECTRIC COOLING FAN OPERATION The electric cooling fan is typically mounted behind the radiator.

Also they work by completing the ground path to the engine computer input, which in turn will turn the fan on. View our Privacy Policy here. I have changed and tested all the parts: temperature sensors, cooling fan motor, relay. When Should Radiator Fan Come On The fan motor itself can be checked by using jumper wires.

Mark helpful 141,395 Report FordNut answered 2 years ago click image 2 out of 2 people think this is helpful. Radiator Fan Not Working Symptoms This should help you find it & fix it Category Autos & Vehicles License Standard YouTube License Show more Show less Loading... XHustonProductionsX 15,922 views 18:56 Cooling fan doesn't work - Duration: 7:16. weblink N.ESS 4,223,352 views 10:26 How to test your fan temp thermostat switch - Duration: 5:43.

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Radiator Fan Not Working Symptoms

If it is not within 0.2 volts of battery voltage, other components in the circuit may be stealing power from the clutch. http://www.aa1car.com/library/cooling_fan_relay_problems.htm The cure here is to add a separate relay for the compressor clutch so the clutch can draw full voltage from the battery. How To Check If Radiator Fan Is Working A new motor is supplied without a fan, which must be refitted from the old one. Radiator Fan Not Working Overheating Do this by lifting the hood and listening carefully.

Click the Banner Below to Ask an Expert: More Cooling System Related Articles: Electric Cooling Fan Relay Problems Overheating: Causes & Cures Troubleshoot Cooling Fan Clutch Servicing Your Cooling System Your If you hear something rattling inside, the relay armature is probably broken. I suspect the water pump or a plugged radiator. Got a Cooling Fan Relay Problem? How To Test Radiator Fan Relay

The engine coolant sensor or a separate engine temperature switch is used to monitor engine temperature. Loading... Read more essential guides Identifying and suppressing radio interference Car radio interference originates usually in the ignition system, the charging circuit or among ... Changing the fan motor Disconnect the battery, and take off the wiring terminals to the motor or disconnect the plug.

Bypass coolant temp sensor, relay and computer - Duration: 1:30. What Happens When Your Radiator Fan Stops Working Extra cooling is not needed when a cold engine is first started, so the fan does not come on until the engine reaches normal operating temperature (195 to 215 degrees). Keep fingers and tools away from the fan blades.

You may hear the fan running when you shut off the engine after driving.

If you do need to replace the fan, make sure that the replacement has the right CFM rating for your vehicle. 3.

On applications that have variable fan speed, the engine may also overheat if fan speed fails to increase when additional cooling is needed. The engine may also run hot and overheat, too. 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 Radiator Fan Not Working While Driving This forum, therefore, carries no credibility.

So the fan runs mostly at idle or low speed when the engine is at normal temperature. Checking the new motor When you fit a replacement motor, check it by connecting its leads directly to the battery. Sign in 78 Loading... You've been very helpful.

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Workshop manuals App Blog About Javascript must be enabled for the correct page display Skip to Navigation Skip to Content × Login to DoItYourself Log In with Facebook Username Password Forgot Try your hand at replacing your own crankshaft oil seal. oldskool funk 296,929 views 29:09 Cooling Fan Repair On Your Car - Duration: 2:46. DJDevon3 60,151 views 12:42 Electric Radiator Fan Diagnosis - Duration: 10:40.

Loading... A separate circuit turns on the fan when the A/C compressor clutch is engaged. Scotty Kilmer 4,970,823 views 4:34 Checking Coolant Fan 2 - Duration: 2:21. Checking and topping up car antifreeze coolant Always use the right kind of antifreeze for your car and keep it at the correct strength, otherwi...

If everything else seems to be fine, the fan clutch is the most likely cause of radiator fan failure. WHY ELECTRIC COOLING FANS ARE USED One reason why electric cooling fans are used on many vehicles in place of a belt-driven mechanical fan is to improve fuel economy and reduce