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Car Radiator Fan Not Working

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But Jarel the diagram is correct. Several things can cause that condition. With the ignition switched on, short-circuit the thermo-switch by putting a screwdriver across its two terminals; do not disconnect the leads. Download the PDF The PDF is 80mb in size - it's high resolution! have a peek at this web-site

If the relay shorts or fails, it will not be able to supply the power for the fans to operate and keep the engine running at normal temperatures. The fans generally kick on only in extreme heat or while not moving enough air across the radiator. If losing pressure and no external leak is found, then the spark plugs will need to be... This light stays on until the normal operating temperature is reached.

Radiator Fan Not Working Symptoms

A separate circuit turns on the fan when the A/C compressor clutch is engaged. Trying the pump next. Anything helps, even if it's just as blunt as "you're fucked." 27 commentsshareall 27 commentssorted by: besttopnewcontroversialoldrandomq&alive (beta)[–]myvanisbetter 1 point2 points3 points 11 months ago(9 children)Sounds like something has gone wrong with the water a community for 8 yearsmessage the moderatorsMODERATORSRugerRedhawkmikasaurE36 M3, E46 ZHPMikecom32verdegrrlAxles of Evil - German & Italian junkteckademics16 Charger Scat Pack | 85 Jeep CJ7AutoModeratorabout moderation team »discussions in /r/cars<>X101 points · 54 comments Vinyl Wrapped

Depending on the wiring setup of the vehicle, this may cause them to stay on even when the vehicle is off, which will drain the battery. When this is done the fan should spin and there should not be any strange noises.If the motor works, the next things to check are the relay, fuses and wiring. And just because the OP's syntax is not quite right we all knew what he was asking. 2 out of 2 people think this is helpful. What Happens When Your Radiator Fan Stops Working Causes of overheating: low coolant level (due to internal or external leaks);...

Resistance checks should then be made on the temperature sensor or switch, and a voltage check on both sides of the relay (you will probably need a wiring diagram of the How To Check If Radiator Fan Is Working No Promotional posts, Including Sales, Service, Websites, etc without mod approval. All Submissions Must Be Given CONTEXT In A Self Post.

permalinkembedsaveparentgive gold[–]mrdotkom2016 WRB WRX 0 points1 point2 points 11 months ago(1 child)No, you don't need a fan on your radiator if you drive at speed and your cooling system is working properly.

When the temperature of the coolant exceeds the switch's rating (typically 195 to 215 degrees F), the switch closes and energizes a relay in the engine compartment that supplies voltage to Radiator Fan Not Working While Driving 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 a rubber cover is fitted over the back of the switch, ease it off, then disconnect the electrical connections. Fast, free online quotes for your car repair.

How To Check If Radiator Fan Is Working

On older applications, fan operation is usually controlled by a temperature switch located in the radiator or on the engine. http://www.aa1car.com/library/electric_cooling_fan.htm If the fan motor is not at fault, leave the ignition switched on, take the connections off the thermo-switch and briefly touch them together. Radiator Fan Not Working Symptoms Made with ♥ in Silicon Valley. Radiator Fan Not Working Overheating CAUTION: The fan circuits on many vehicles are wired so the fan can come on at any time, whether the engine is running or not.

Running hot changed water pump and thermo last year. http://clearduplicatefiles.com/radiator-fan/car-radiator-cooling-fan-not-working.html BMAC VAGS 214,661 views 9:50 Radiator Fan / Relay / Cooling Fan Switch Not Working: Honda Civic - Duration: 5:46. by Ed Ruelas on January 05, 2016 ShareTweetPin Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. 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. How To Test Radiator Fan Relay

permalinkembedsavegive gold[–]kspi[S] 0 points1 point2 points 11 months ago(2 children)I had it professionally diagnosed; It's my water pump. This can be done by switching on the car and immediately turning on the air conditioning as high as it will go. Q: What is a home remedy for a windshield crack? Source A dead battery is a high possibility.

Related Articles How Do Power Car Windows Increase Passenger Safety? When Should Radiator Fan Come On Robert DIY 137,712 views 12:00 How a Cooling Fan Switch/ ThermoSwitch Works - Duration: 3:05. Test for current with a test lamp or circuit tester at the 'live' lead to the relay — again with the ignition switched on.

Free the wires from clips or other fixings on the fan shroud or nearby bodywork.

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 Please guys, I need to go home on sunday and I don't want to be without a car when I go back to college. I'm a delivery guy! Cooling Fan Relay Switch Loading...

If the tester lights, trace the lead from the thermo-switch through to the relay and check the terminals for tightness and cleanliness. Touch the leads together to bypass the switch. If the fan motor is good, the fan should spin at normal speed when supplied with 12 volts. http://clearduplicatefiles.com/radiator-fan/car-overheating-radiator-fan-is-not-working.html Scotty Kilmer 434,674 views 2:46 HOW TO TEST/CHECK A RADIATOR FAN.

Duplicate links, topics and discussions within 48 hours of will be removed. Q: How often should I change my spark plug wires? All rights reserved. Loading...

Take care — the motor will kick as it starts and there will be a large spark when it is connected. oldskool funk 298,549 views 29:09 Cooling Fan Repair On Your Car - Duration: 2:46. Start by unplugging the wires. Run your car until it is at operating temperature and touch your lower radiator hose, if it is not hot, this confirms coolant is not flowing.

It will be marked with maximum and minimum levels. No Spam of any type. I believe it is the water pump though. Look at the fuse box for a blown fuse.

If you do need to replace the fan, make sure that the replacement has the right CFM rating for your vehicle. 3. Remove the fan shroud if necessar... The switch can now be unscrewed from its mounting point with an appropriate spanner. Vehicle overheating Another symptom of a possible problem with the cooling or radiator fan motors is the vehicle overheating.

Peter Finn 106,677 views 18:13 How Car Cooling System Works - Duration: 6:10.