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My Radiator Fan Is Not Coming On


The fuse looked fine, so we know it's not that. Use a voltmeter to measure voltage to the clutch. This resistor often burns up and fails. Dual relay. Source

No Spam of any type. Info of the characteristic thermostat can be found here: http://www.bmw-planet.com/diagrams/r.../e46/index.htm Coolant temperature gauge The indicator characteristics of the coolant temperature gauge in the instrument cluster have been adapted to the higher They are controlled by temp sensors and come on when the temp sensor senses a very specific temp, something like 230F. A good relay coil will typically read 40 to 80 ohms.

My Radiator Fan Is Not Coming On

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 If the coil has no resistance, it is open and has failed. Types of Electric Cooling Fan Relays There are three basic types of relays: Normally open are the most common type. When I Came back like 2 hours later I parked the car, switched off the ac and allowed it to idle.

By Alex Roy - theDRIVEThis is an archived post. The controller is supposed to switch on both fans when the compressor clutch is engaged. Normally closed. Radiator Fan Not Working Symptoms See How To Advertise. 130Disclaimer: Every Nairaland member is solely responsible for anything that he/she posts or uploads on Nairaland.

Start ur car, open the hood, carry a seat and sit in front of the car patiently. The fan also comes on when the A/C is turned on to provide additional airflow through the condenser for good cooling performance. No, create an account now. Fan wont turn on, but car's not overheating!

Both seemed to be equally hot, although, turning on A/C seemed to make bottom hose slightly cooler Possibly Relevant Info: Car is a 1994 Toyota Camry 4-cyl. Radiator Fan Not Working Overheating I'm thinking I might have to take it to a BMW shop for electric diagnostic..... 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 If the fan does not come on after the temperature has significantly crosses the half way mark (do not allow it get to the red zone), then you we can take

  1. On applications that have variable fan speed, the engine may also overheat if fan speed fails to increase when additional cooling is needed.
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  3. Fan wont turn on, but car's not overheating!
  4. In my case, the fans run, but the engine still overheats. 4) I noticed today that the upper & lower hoses are hot, but the radiator itself is cold.
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When Should Radiator Fan Come On

Any posts pertaining to car buying suggestions or advice should go in the weekly sticky'd mega thread at the top of the page or else /r/WhatCarShouldIBuy Search before you post. WDE46 View Public Profile Find more threads by WDE46 Find More Posts by WDE46 Leave feedback for WDE46 (0) 01-23-2013, 03:46 PM #16 Stinger9 Registered User Join Date: Sep My Radiator Fan Is Not Coming On Reply » Report Abuse Judge it! Radiator Fans Only Come On When Ac Is On So the fan runs mostly at idle or low speed when the engine is at normal temperature.

Guest-only advertisement. this contact form There will be two wires of positive and negative feed. If the fan does not come on after the temperature has significantly crosses the half way mark (do not allow it get to the red zone), then you we can take But it's 100 degrees and I have even got stuck at some long lights. How To Check If Radiator Fan Is Working

Be aware of this if you are working in the engine compartment and the engine is hot. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Stinger9 View Public Profile Find more threads by Stinger9 Find More Posts by Stinger9 Leave feedback for Stinger9 (0) 01-23-2013, 01:36 PM #15 WDE46 Registered User Join Date: Sep http://ariseoo.com/radiator-fan/car-radiator-fan-not-working.html permalinkembedsaveparentgive gold[–]kspi[S] 0 points1 point2 points 11 months ago(2 children)Thanks for this, I knew this much.

Turn off the engine.3. How To Test Radiator Fan Relay You won't be able to vote or comment. 345Radiator fan not working, engine overheating, blowing cold air, but nothing leaking. Warm up the car but don't let it overheat--don'tlet the temperature gauge go into the red.2.

Did you pull it out and actually check the contact or just say "looks good" I definitely pulled the fuse out and checked the contact.

Ordered a new fan from pelican. Sign Up Now Cancel Search How-Tos Your Projects Your Projects Forums search Hi 0 | Logout Connect with Facebook Login Sign Up Home / Cars, Trucks & Boats / Auto Maintenance Then, suddenly, last night it did this. Radiator Fan Wont Turn On Wear an extra long 80s style power neck tie when inspecting your fan with the engine on!

What exactly does the cluster temp gauge read when the engine is "hot"? So if u expect to hear it while in d car, no way. 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. Check This Out Fan Wires If the engine is heating but the fan isn’t kicking in, check the fan wires.

permalinkembedsaveparentgive gold[–]rudbri93'91 BMW 325i S52 0 points1 point2 points 11 months ago(3 children)You gotta test it first. Mine often runs at 97-98 degrees C, but usually tops out at around 95-96 degrees C. Which sensor engages the fans? Register FAQ Community Calendar Today's Posts Search Vendor DirectoryCarsvBLive Community Links Pictures & Albums Members List Search Forums Show Threads Show Posts Search in Thread Titles Only Tag Search Advanced

Use a voltmeter to check that there is current present. I suspect the water pump or a plugged radiator. Just stay high and away from the belts! Think you're ok with this one my friend.... 06-13-2012, 06:57 PM #12 Donkey85 Honda-Tech Member Join Date: Feb 2003 Location: Kzoo, Mi Posts: 919 Re: HELP needed!

If ur check engine light is on then scan the car and post the codes. shanneba View Public Profile Find more threads by shanneba Find More Posts by shanneba Leave feedback for shanneba (0) 07-04-2012, 06:57 PM #6 jasonbimmer Registered User Join Date: Sep But you can still feel the wind. In many cases, the underlying fault is a bad cooling fan relay.

Have to disconnect battery so I don't have to jump it off every morning!!! fan hardly ever comes on that I notice, but I believe that it will go on for a few secs. Don't show me this message again today. Yes, my password is: Forgot your password?

Fan wont turn on, but car's not overheating! It was cold out, so I just turned the fan off. This should cause the fans to turn on low then kick to high, IIRC. Car Spotted go to /r/Autos to post spotted cars.

Car warms up like normal with secondary air pump turning on and then off. I check my coolant levels, and they're fine. Cooling fan doesn't come on and car does NOT overheat. with that said, I once had a broken bleeder screw.