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Cooling Fan In Car Not Working


If you hear something rattling inside, the relay armature is probably broken. If the engine shows signs of overheating, stop and look to see if the fan is working. Power Probe 201,838 views 6:01 Electric Radiator Fan Diagnosis - Duration: 10:40. Read more essential guides Identifying and suppressing radio interference Car radio interference originates usually in the ignition system, the charging circuit or among ... have a peek at these guys

Unplug the wiring connector on the fan, and use the jumper wires from the battery to route power directly to the fan. These vehicles use two relays (low fan and high fan), and two fans. The controller contains a fan primary relay, A/C fan control relay, and wide open throttle cutout all built into one unit. Sign in Share More Report Need to report the video? http://www.aa1car.com/library/electric_cooling_fan.htm

Radiator Fan Not Working Symptoms

Bypass coolant temp sensor, relay and computer - Duration: 1:30. Chrysler Neon. realfixesrealfast 504,350 views 7:16 Cooling Fan Repair On Your Car - Duration: 2:46. 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.

And, If you like my car help, be sure to watch my live car talk show every Saturday morning at 10 AM CST on YouTube. Loading... The fan is usually not needed when the vehicle is traveling fast enough for ram airflow through the grille to provide cooling (typically at speeds above 30 mph). What Happens When Your Radiator Fan Stops Working i used my meter to test the fuses and discovered a blown fuse.

Uploaded on Mar 9, 2010Scotty Kilmer, mechanic for the last 46 years and counting, shows how to repair the cooling fans in your car. Be aware of this if you are working in the engine compartment and the engine is hot. Keep fingers and tools away from the fan blades.

You may hear the fan running when you shut off the engine after driving. https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-cooling-radiator-fan-motor Watch QueueQueueWatch QueueQueue Remove allDisconnect Loading...

Normally closed. When Should Radiator Fan Come On Test for current with a test lamp or circuit tester at the 'live' lead to the relay — again with the ignition switched on. Checking the circuit and motor for faults Check a fan motor for faults Connect the motor feedterminal to the live terminal onthe battery. If the cooling fan motors fail, and disable the fans, the engine temperature will continue to climb until the engine overheats.

How To Check If Radiator Fan Is Working

Popular Articles Auto Maintenance & Care Keep Your Cool in the Heat Of Summer Dri Keep Your Cool in the Heat Of Summer Driving Auto Repair How Does a Radiator Fan http://www.aa1car.com/library/cooling_fan_relay_problems.htm If there is not, you need to check both the wires and the fan relay to see if replacement is required. Radiator Fan Not Working Symptoms Watch Queue Queue __count__/__total__ Find out whyClose How to check fix radiator cooling fan on your car Arty's Garage SubscribeSubscribedUnsubscribe Loading... Radiator Fan Not Working Overheating In newer vehicles with computerized engine controls, fan operation is often regulated by the powertrain control module (PCM) or a fan control module.

The fan then continues to run until the coolant temperature drops back below the opening point of the switch. More about the author Loading... The fan may work but it only runs at low speed, which may not be fast enough to prevent overheating. Working... Cooling Fan Relay Switch

Read more Q: Blower motor just quit working and it will come back on sometimes The blower motor is supplied power by the blower relay and should be checked to see If one or both fans fail to come on, the lack of additional cooling provided by the fan may cause poor A/C cooling performance, and it may cause the A/C compressor Close Yeah, keep it Undo Close This video is unavailable. check my blog Catch the coolant in a clean container if you plan to reuse it.

Rating is available when the video has been rented. Radiator Fan Not Working While Driving Touch the leads together to bypass the switch. Back to top How it works Services Pricing AdviceArticles & QuestionsOver 25,000 topics, from beginner tips to technical guidesEstimatesInstant auto repair estimatesAsk a MechanicFast, free answers from certified mechanicsPartsResearch top-quality auto

If it does not, check to see that there is current flowing to the switch by using a circuit tester on the feed wire to the thermoswitch.

The fan relay will be under the hood. Diagnosing and repairing the sensor problem should restore normal fan operation. Look at the fuse box for a blown fuse. Radiator Fan Repair Cost Checking the T-piece On the Datsun Cherry the thermoswitch and connections are in a T-piece on the bottom radiator hose, so look there if the switch is not on the radiator.

Make sure the fuse for the radiator fan is intact. 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. Skip navigation UploadSign inSearch Loading... news Published on May 22, 2015➖note many cars overheat only in traffic or at idle and n tend to run at normal operations temp when driving if so; this video quick tip

Keep fingers and tools away from the fan blades.

You may hear the fan running when you shut off the engine after driving. How to Test a Golf Cart Motor Find out quickly if your golf cart motor is having problems by using these tests. Check that the earthing point is clean and tight. How to replace a car thermostat If the engine warms up very slowly, or never reaches normal temperature, or if it overheats quick...

There will be two wires of positive and negative feed. Thanks everybody for your inputvery clever but remember to use a very thin wire, why becoz we dont know what made it blow, so if you a very thick wire it If the fan runs, the fan motor, relay, fuse and wiring are all okay. Separate the components.

If the Check Engine light is on and there are one or more sensor trouble codes (especially a coolant sensor code, air temperature sensor code or vehicle speed sensor code), faulty Skip navigation UploadSign inSearch Loading... Loading... 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

Sign in to report inappropriate content. Other inputs that can affect when the fan relays are energized include engine temperature, transmission temperature, intake air temperature and A/C operating pressure. Our certified mobile mechanics make house calls in over 2,000 U.S. The fan will then cycle on and off as needed to maintain the coolant temperature.

Sign in to make your opinion count. Working... I decided to check the fan because it was supposed to come on at 90° to my surprise the fan was not. If the motor fails the blades will not be able to spin or generate air flow. 2.