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Chevy Lumina Radiator Fan Not Working

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But neither will come on if the A/C is not on. The fan will then cycle on and off as needed to maintain the coolant temperature. 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. As soon as I turn no the A/C the cooling fans come on and the temp.

Carregando... É possível avaliar quando o vídeo for alugado. realfixesrealfast 504.350 visualizações 7:16 Bad Cooling Fan Diagnosis & Plug Swap "How To" - Duração: 4:26. TKS Jim Please don't take this the wrong way, but you may be in over your head here. Or do I fix it the way I know best, run a hot wire to the motor and put a switch in the dash to control the fan manually? http://www.automotiveforums.com/t559388-_1_cooling_fans_not_working_.html

Radiator Fans Not Coming On

So the fan runs mostly at idle or low speed when the engine is at normal temperature. The fans both 1 and 2 spin about three times and stop. There is a temperature switch that works similar to a therostat where once it gets so hot, it opens the current sending power to your radiator fan motor. Fazer login Estatísticas 178.406 visualizações 162 Gostou deste vídeo?

It had lost coolant out a loose drain plug (how it got loose is beyond me .) Now that the leak was repaired, I closely observed the temp gaugegetting hotter and Processando... Or you can backprobe the ECM signal wires with ground with the relays installed. (Loosen the relay block and work from the underside) These wires are Green/White for one, and Green Toyota Camry Radiator Fans Not Working Automotive Basics 1.513.212 visualizações 6:10 Radiator Fan / Relay / Cooling Fan Switch Not Working: Honda Civic - Duração: 5:46.

Fans working as long as a/c is on. How To Test Cooling Fan Relay If so would I need to do both of them or just one. I'm completely w/you as far as the terminology goes and have been able to successfully jump the fans from underneath the ECU #1 as u explained. https://www.cargurus.com/Cars/Discussion-c1045_ds560426 It runs awesomely but we can't drive it so it has sat for three months now like this in the shed with ALOT of engine work done on it, its a

The fans seem to start from a signal from the PCM. 2007 Chevy Aveo Radiator Fan Not Working After that it is released to a near by river? Could possibly attribute fluctuating, to air in the system (I've heard the 3.1 is a little stubborn to purge and burp.) Maybe my guage is out of cal. ELECTRIC COOLING FAN PROBLEMS A fan failure, or a failure of the fan relay or control circuit is bad news because it can allow the engine to overheat.

How To Test Cooling Fan Relay

More questions Replacing a 1995 Chevy Lumina Engine Fan with a used one? http://www.justanswer.com/chevy/5rlqn-chevrolet-lumina-98-chevy-lumina-3-1-radiator.html So should your owner's manual incase the cover is missing. Radiator Fans Not Coming On This is the car's computer CTS= Coolant Temp Sensor. When Should The Cooling Fan Come On if it doesn't then it is probably the coolant temp sensor or temperature sender (which ever one controls your fan).

Could it be an ECM problem, and how much would it cost to have the ECM re-flashed? Do you have an idea for a site that shows wiring diagrams? Carregando... mrwarmonga 126.438 visualizações 6:05 Fixing an overheat condition (the radiator fan) on a 1997 Toyota Corolla/Geo Prizm - Duração: 12:44. 2001 Chevy Impala Cooling Fans Not Working

The only time they work is when I disconnect the coolant temp sensor they both stay on, and when I use jumper wires to jump across where the relays are located. Faça login para adicionar este vídeo à playlist "Assistir mais tarde" Adicionar a Carregando playlists... Faça login para que sua opinião seja levada em conta. Sounds like the PCM is working right.

Most fans should come on when the coolant reaches about 200 to 230 degrees. 2005 Chevy Silverado Cooling Fan Relay Location Expert: Dan replied5 years ago. But the car is not worth buying a new PCM.

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Instead it is more-or-less fluctuating in the mid to upper-middle range, but has never overheated on me till recently. Terms Privacy Policy Forums GM Technical Discussion and Questions Buick Cadillac Chevrolet GMC/Chevrolet Truck/SUV Oldsmobile Pontiac Saturn General GM Chat Your Ride: GM Pictures & Videos GM Recalls Performance, You may freely link to this site, and use it for non-commercial use subject to our terms of use. Car Cooling Fan Not Turning On All this time the temp.

The car seems to do ok while in motion, but when sitting still for a period of time it gets warm..How could I determine if the w... 1996 Chevrolet Lumina - The fan may work but it only runs at low speed, which may not be fast enough to prevent overheating. You can jump the large wire terminals Red - Blue on one, Red to White on the other, and pass direct power to the individual fans. But you need to clear the resulting trouble codes when you're done. (Pull the battery negative cable for ~ 20 seconds is the quickest way) Toyota MDT in MO Report this

According to the web site that you have posted to check it says there is another sensor but doesn't say were it is located. the other one will kick on with temp. All information is provided "AS IS." Website operating problems contact . I here a click that usually precedes the fans operation. ( i am assuming that noise is the relay).

Ask Your Own Chevy Question Customer: replied5 years ago. This vehicle has 99,000 miles and I recently replaced the head gaskets and lower intake manifold gaskets. If the voltage is high there suspect a bad ECT sensor or a lifted ground (the black wire). rehma6b0 457.823 visualizações 26:00 Electric Cooling Fan Wiring Diagram - Duração: 3:05.

This data is only used for ecm to configure fuel ratio, this does not turn operate the fan motors. It'* a 1995 Chevrolet Lumina (3100 Gen III V6). I am just afraid when we see the 100's for summer, she might want to overheat. The parts store came up with it on there system.

Can't tell if the issue was the old or new temp sensor or the PCM. I recently had a very low mileage, 400, 4spd Formula firebird, that I put a 160 degree thermostat in (colder is better) The engine did not get hot enough to open We welcome your comments and suggestions. 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.

Chris topher98 could be a fuse or relay.