This may occur regardless of engine temperature or vehicle speed. realfixesrealfast 506,052 views 7:16 How To Solve An Engine Overheat Condition - EricTheCarGuy - Duration: 26:09. How Does a Radiator Fan Work? If your vehicle’s engine has been running too hot, overheating, or running too cold it could mean there is a leak in the system or one of the components of the http://haiteq.com/radiator-fan/cooling-fan-in-car-not-working.php
briansmobile1 63,951 views 12:35 How to Change a Coolant Temperature Sensor - Duration: 26:00. Your coolant system will need to be drained to properly utilize a pressure tester. If those don't solve the problem, try replacing the coolant temperature sensor. On some vehicles with large, wide radiators, there may be two cooling fans, or there may be a separate fan for the air conditioning condenser. http://www.aa1car.com/library/electric_cooling_fan.htm
Don't Have an account? SnagEasy 80,237 views 3:05 How to test a Coolant Temperature Sensor - Duration: 9:50. Advertisement Autoplay When autoplay is enabled, a suggested video will automatically play next. For this reason, if you suspect that your cooling fan motors may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic.
Temperature Sensor The temperature sensor determines when the radiator fan comes on by reading the cooling system temperature. If there is current here but, when the thermo-switch is bypassed, none at the terminal for the fan-motor lead, the relay is faulty and must be replaced. ELECTRIC COOLING FAN CIRCUIT The fan's temperature-sensing power circuit only runs the fan when extra cooling is needed. What Happens When Your Radiator Fan Stops Working If you are unsure of where to locate the water pump in your vehicle, refer to its service manual or the website for the auto maker. 5 Assess damage to your
Flag as duplicate Thanks! To check the temperature at which the fan comes on, turn the A/C off and keep the engine running until it reaches normal operating temperature. If you do need to replace the fan, make sure that the replacement has the right CFM rating for your vehicle. 3. https://www.howacarworks.com/accessories/how-to-fix-a-car-fan Close Yeah, keep it Undo Close This video is unavailable.
Fix possible leaks using this advice. When Should Radiator Fan Come On In newer vehicles with computerized engine controls, fan operation is often regulated by the powertrain control module (PCM) or a fan control module. richpin06a 54,487 views 2:21 How To Test Relays- EricTheCarGuy - Duration: 8:39. We welcome your comments and suggestions.
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 you could check here Steps Method 1 Determining There is a Problem 1 Keep an eye on the temperature gauge. Radiator Fan Not Working Symptoms Loading... Radiator Fan Not Working Overheating Just check it out at https://www.youtube.com/watch?v=Vognj... .
Keep an eye out for damage to the hoses or signs of rubbing from the serpentine or accessory belts. If one of the belts has been rubbing on a coolant line, More about the author If you don’t know where the fuses are in your vehicle, consult your owner’s manual to see which fuse controls the cooling system. Take note of the level the coolant reaches on the reservoir, then check again in a few days. Clean the parts that are to be reused, simply by degreasing or even by repainting. Cooling Fan Relay Switch
Published on May 20, 2014This is the detailed process of how to diagnose an overheating problem (Radiator Fan not working) on a 1997 Honda Civic. Psychoholic Genius 177,737 views 10:40 Electric fans not working on A/C air conditioning - Duration: 2:37. So the fan runs mostly at idle or low speed when the engine is at normal temperature. check my blog You can now get the whole How A Car Works site as a beautiful PDF ebook.
If the fuses are intact, switch on the ignition and use a circuit tester to find if there is current at the motor terminals. Radiator Fan Not Working While Driving If any these inputs are faulty due to a bad sensor or wiring fault, the PCM may not run the fan fast enough to keep the engine cool. oldskool funk 339,735 views 25:28 Top 5 Reasons Why Your Car Is Overheating - Duration: 2:38.
A leak coming from the area around the thermostat would cause it to fail to function. 4 Use an OBDII scanner to assess engine error codes. The cure may be to require the clutch circuit by adding a new relay so the clutch can have its own dedicated power circuit. Please see our terms of service for more details Skip the repair shop, our top-rated mechanics come to you. Radiator Fan Repair Cost If the fan runs, the fan motor, relay, fuse and wiring are all okay.
If you believe the head gasket in your vehicle has blown, stop driving it immediately. 3 Determine if your thermostat is functioning properly. Be aware of this if you are working in the engine compartment and the engine is hot. oldskool funk 158,337 views 30:54 How to fix an overheating Toyota Corolla. news Free the wires from clips or other fixings on the fan shroud or nearby bodywork.
Turn on the heater in your vehicle without starting the engine to allow the coolant system to develop pressure. You should have the cooling system pressure tested to see if it can hold pressure and look for any external leaks. This procedure works on most cars not just The civic Put Jesus at the center of it all God Bless. Sign in to make your opinion count.
If this relay fails (which it often does because of the load it carries), the fan may operate at high speed but not low speed. At your home or office Choose from 600+ repair, maintenance & diagnostic services. Loading... Start by checking for the fuse, then use a test light to ensure power is reaching the wiring for the fan.
With the ignition switched on, short-circuit the thermo-switch by putting a screwdriver across its two terminals; do not disconnect the leads. Add to Want to watch this again later? Thanks for letting us know. A belt-driven fan can consume up to 12 or more horsepower depending on engine speed and cooling load.
If the fan does not come on, something in the control circuit is defective. If the radiator cap looks rusty, is corroded or caked in grime, it may be the cause of your coolant issues. Fuse Whenever something electrical doesn’t work, the first thing to check is the fuse.