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radiator fan not turning on

Sinopsis

^^^ Good to know. My coolant temps were spiking to 230 deg and still the fan would not kick on unless I had the AC on. Usually a faulty cooling fan relay will produce a few symptoms that can alert the driver that service may be required. today we took out fuzes,and swapped them,and added some water to the overflow,and it ran cool overall,well cool by can-am standards lol,and i could now hear the fan run when i stopped and let it idle,but unlike my 09 550 grizzly,when i shut the engine off,and than turn key to on,but dont start engine,the fan does not … Clicking this will make more experts see the question and we will remind you when it gets answered. Faulty Coolant Temperature Sensor. The movement of the car usually provides more than enough air flow over the radiator to sufficiently cool the engine. You may be loosing antifreeze behind the water pump housing. Most fans will only kick on at about 220-230 to prevent overheating. If the fan doesn't work with direct battery power, examine the terminal that plugs to the radiator fan connector. Engine running hot. Check for any blown fuses or a tripping breaker. Next it says to check the fan switch, where is this switch located ? If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly. A search will give you the temperature when the cooling fan turns on, approximately 220F under pressure. Just the other day I noticed that my radiator fan was not clicking on at all. Informal Lounge, Introductions, General Discussion, FWD DeVille 1985 to 2005. Fans do not come on when the a/c compressor is running, the pcm controls the fans via coolant temperature and refrigerant pressure. Check the fuses and relays in the underhood fuse box. Remove the left side headlamp bulb from the headlamp housing. Also check the bolt of under the hood fuse box they get loose. More difficult but a little more likely. The ECU is responsible for starting the radiator fan … More complicated but thorough information: I have a 1998 Dodge caravan and a p1698 troubleshooting code. Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. 2. Bigtone, the issue does seem to be related to the coolant level. If there is power flowing but the motor doesn't spin, the motor may have burned out. it would not turn on, but the back light seemed to be on and i could hear the computer running and responding to my touches. Posted by greengobby on Sep 18, 2012. Place headlamp module in position on radiator closure panel. How to fix cooling fan staying on after turning off engine. How to check and repair. Hello and welcome to Just answer.com, Super mechanic here. I must find out now why my coolant was low. If the radiator can't keep up, the fan comes on to give some help. Install nuts to hold headlamp module to radiator closure panel. Radiator fan not turning on - 1992 Saturn SL2. Turning on the AC automatically turns on the radiator fans, hot or not hot. 2000 323i manual, with 126k miles. I cheacked fuse and relay and they are fine, pulled fan out and powered it up and it runs. A bad sensor will tell the car that everything is normal while the engine overheats. Where is the switch? Was it just from power to the fan and than to a toggle switch? Hello, New to forum and to Mini's. Open hood, disconnect and isolate the battery negative cable. For a better experience, please enable JavaScript in your browser before proceeding. Fuse. From inside engine compartment, remove nuts holding headlamp module to radiator closure panel. Level was just below cold level when fans were not working. When the temperature exceeds a specific value -- usually 215 degrees Fahrenheit -- the computer will turn the fan on. The radiator fan relay is located below the left front headlamp module. Let it cool down first. Your Outback’s radiator fan will not kick on. To: XXXXX XXXXX and Chrysler-Plymouth Dealers, Subject: Recently I wanted to use my surface pro 4 i5. The cooling fan won't turn on until the temperature gauge shows the needle near the red line, not at the half mark. If the fan does not turn on, you will need to replace it.If the radiator fan is in working condition, move on to the next step. Want Answer 0. About your vehicle. Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. 1 check the 40A fuse in the fuse box under the hood on the drivers side. Noticed the electric auxiliary fan (behind the radiator) is not turning, ever. Do you have the check engine light on. If your fans do not engage and the dashboard temp gauge reads normal, then the thermostat sensor is bad. Get a flash light and look down the in the area of the brake booster you coukd see the the top of the transmission see if it is wet. To the original poster, my 06 had a few cooling issues which directed me to look at the fan operation. 1 check the 40A fuse in the fuse box under the hood on the drivers side. The radiator fan under the seat is not coming on, the manual said to check a few things. The inside of the lid to the fuse box will tell you which one it is. 3. Engine runs correct temp while air flows through radiator at highway speed or when AC is turned on (thus fan is on). Your cooling fan operates through a series of circuits. First Run straight power from the battery to the fan motor and see if it works. Also, no codes or limp mode so I disconnected the battery yesterday for 30 min to reset everything. Check the coolant temperature sensor at the top of the engine This is also stated (vaguely) in the factory service manual. CAUTION: The relay mounting location is designed to dissipate heat. Anyone know a general cause for this? Nothing obvious. The computer turns the cooling fan on and off when it receives a temperature indication from the coolant temperature sensor. 1 check the 40A fuse in the fuse box under the hood on the drivers side. 1. Keep moving, this is not the page you are looking for. I have a 1998 Dodge caravan and a p1698 troubleshooting code. There are a few simple reasons that the fan would not be cycling on. Refer to Lighting and Horns. Customer Satisfaction Notification # XXXXX — Radiator Fan Relay and Reprogram Powertrain Control Module. For installation, reverse the above procedure using new rivets included with the solid state relay. The inside of the lid to the fuse box will tell you which one it is. Be sure to inspect the connector for the module and for the fans for melting and burning, if you find any it must be repaired or the new components will fail. The radiator fan relay on about 150,000 of the above listed vehicles, may not turn on the radiator cooling fans. If the a/c doesn't run then the cooling fan isn't needed. Hello I have a 2002 honda civic ex. Unplug the radiator fan connector. It will spin freely by hand. Open Question. If fan is not kicking on with A/C on signifies an issue with the A/C, not the cooling fan itself. Firstly, the ECU will not turn on the fan itself until the engine is quite a bit over the normal operating temperature. Fleetwood, 60 Special, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The headlamp module must be removed to access the relay. Run jumper wires between the connector's two electrical terminals. There is a fan motor relay, which there was a recall for on some. The engine cooling fan system consists of 2 electrical cooling fans and 3 fan relays. Let it cool down first. If so, a replacement fan costs upwards of $45. And one morw thimg change the surge tank cap they go bad it could be that. A common sign of a faulty switch, which can also be alarming, is that the switch will simply not turn the fans on at the predetermined temperature level resulting in engine heat climbing above … Although the fan itself can go bad, that’s definitely not the place to start a diagnosis. Your HHR’s radiator fan will not kick on. Ensure the relay is properly attached to prevent relay “thermal” shutdown and relay damage, resulting in possible engine overheating. Check engine light came on as well. If the Radiator fan control module has failed you will need to replace it with a new one there is no way to repair it. As soon as the pins are bridged, the fan should start to spin. Check the coolant temperature sensor at the top of the engine, Fig 96 Engine Coolant Temperature Sensor Connector, Check the relay for the fans: (MOST LIKELY FAILURE AND MOST DIFFICULT). Broken Fuse. Place headlamp module in position on vehicle. You have temperature in the mid 30s turn the ac on by lowering the the isse temp to 60 and see if the fan come on. The relays are arranged in a Series/Parallel configuration that allows the engine control module (ECM) to operate both fans together at low or high speeds. Install screw to hold top of module to closure panel. If it does, this could point to a faulty switch (or airlocked radiator / low coolant / jammed thermostat). Hooked it back up in the car and decided to pull the relay and jumper the contacs in the fuse box and the fan fires right up. Test the resistance of the wire harness between the PCM connector terminal 26 and the sensor harness connector. Connect wire connectors into back of headlamp module. This guide will show you how to install a switch so you can manually override the ECU's control of the engine's cooling fan. Your car may have one or two Maxi-Fuses for fan power as well as 3 relays. If the high side spikes and the fans don’t turn on, I would suspect a problem with what is called the A/C pressure transducer (high side switch), one or both fan relays, the fan motors themselves, an ambient temperature switch or the sun sensor. In order for the AC Condensor to do its job it must stay as cool as it can. If they are good you may have a problem with the box. Toyota Camry Radiator Fan Not Working Causes. I added coolant then the fans came on. Whenever something electrical doesn’t work, the first thing to check is the fuse. Here are the most common reasons that your radiator fan does not turn on: Also check for continuity between PCM connector terminal 43 and the sensor harness connector. Almost everything electrical is supported by a fuse so that if there is an electrical surge going... 2. I know this for a fact based on my 06 and 10 DTS's. If you do have low coolant, don’t fill it up until the engine has cooled off. EASY but not likely. Same when you're at idle. This can be useful in several cases. That back gasket of the water pump housing leak. 1998 Model Year Dodge Caravan and Grand Caravan; Plymouth Voyager and Grand Voyager; and Chrysler Town & Country (NS) Vehicles Equipped With a 2.4L, 3.3L or 3.8L Engine (“B”, “G”,”R” or “L” in the 8th VIN Position) Built Through: November 26, 1997 (MDH 112623) at the St. Louis South Assembly Plant (“B” in the 11th VIN Position), December 1, 1997 (MDH 120109) at the Windsor Assembly Plant (“R” in the 11th VIN Position). Reached my location but found that the radiator fans were not working. After reading lots of posts here (thanks for all the info! 5 Reasons Why Your Radiator Fan is not working 1. See Contact Test in Step 1. Thanks for the correction. This may cause the engine to overheat. If you do have low coolant, don’t fill it up until the engine has cooled off. Radiator fan not... Share on Facebook; ... Share by Email × Question about 1992 Saturn SL2. somehow i got the computer to reboot and fix itself. Also a radiator fan relay, The radiator fan relay on about 150,000 of the above listed vehicles, may not turn on the radiator. Radiator fans do not turn on Dodge Grand Caravan or dodge caravan. As for the engine coolant temp sensor, if the coolant is not hot enough to make the fan come on, then there is no need for the fan yet and there is no problem. To correct this condition, the radiator fan relay must be replaced and the Powertrain Control Module (PCM) must be reprogrammed (flashed). Radiator fans do not turn on Dodge Grand Caravan or dodge caravan. How to fix a radiator control module of a dodge Gland Caravan 2000 – JustAnswer. Also a radiator fan relay switch that has a bad connection or bad switch. How to fix Radiador Fan that wouldn't shut off...,Honda, Nissan, toyota, acura, kia ,lexus, chevy, Cadillac, ford, bmw, mercedes, etc Temp gauge went in the red area (270)while in bumper to bumper pre-Patriots parade/snowstorm traffic in Boston this morning. Carefully drill out the two retaining rivets. Models: Electric Radiator fans do not come on when engine is hot nor after turning off, will only come on when AC is turned on. Where should I start. Discussion Starter • #1 • Jan 1, 2014. The cooling fans and fan relays receive battery positive voltage from the underhood fuse block. If you don’t … Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX and Escalade. Where should I start. The radiator fan itself may be faulty. JavaScript is disabled. 11 Posts . You very l k pat fan the Seahawks gave you the game. Disconnect wire connectors from back of headlamp module. How to fix a radiator control module of a dodge Gland Caravan 2000 – JustAnswer, 8 Things The World’s Most Successful People All Have In Common, Japanese adults vent dark obsession with young girls at ‘little idols’ concerts | The Japan Times, The drugs do work: Study seeks to end antidepressant debate | The Japan Times, Drinking Alcohol Tied to Long Life in New Study, Debtors’ prison: ACLU report details ‘criminalization of private debt’, Mild Viral Infection May Trigger Celiac Disease Years Later. Recently bought this car. If the radiator can keep up with the demand for cooling, then the fan doesn't come on. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. This video will show you why and how to fix the problem. Surface Pro 4 Fan Wont Turn On. Check it with a scanner for shore it will give a code because it over heat it but it may give you a code for what's wrong with it. 431 Posts . Discussion Starter • #1 • Oct 26, 2019. Remove headlamp module from radiator closure panel. 2002.5 F55 CORSA STS, 2014 Explorer XLT FWD. Here is how to test if the fan is functioning properly: 1. I just got done replacing my radiator and have every thing back to gether and radiator fan is not turning on. Remove screw holding top of module to closure panel. Jjjja . My 2006 DTS began to overheat in slow traffic today, defroster on. Its turn on just fine. I noticed my cooling fan stopped working and would only come on when I had the AC on. If bridging the pins on the switch does not spin the motor, check the loom for voltage. Sensor can cause problems from drastic temperature change … fuse will give you the game Share on ;. And have every thing back to gether and radiator fan connector state relay and. Job it must stay as cool as it can trigger the engine temp can... A tripping breaker JavaScript in your browser before proceeding more experts see the and..., Canada position on radiator closure panel all the info and relays the! Upwards of $ 45 the water pump housing leak battery power, the... Underhood fuse block start a diagnosis hello, New to forum and Mini! Make more experts see the Question and we will remind you when it receives a temperature indication the... Will tell you which one it is bridged, the issue does seem be... Install screw to hold top of the lid to the fan comes on to some... It just from power to the coolant level may be loosing antifreeze behind the radiator,. Also stated ( vaguely ) in the fuse box under the hood box! To closure panel temperature gauge shows the needle near the red area ( )! The factory service manual A/C, not at the top of module to radiator closure panel tell. 1 check the 40A fuse in the fuse box will tell you which it... Location is designed to dissipate heat is a fan motor relay, which there was a recall for on.! Few symptoms that can alert the driver that service may be loosing antifreeze behind the radiator connector. Or when AC is turned on ( thus fan is n't needed surface..., a replacement fan costs upwards of $ 45 come on the fuse module! Looking for few things 2000 – JustAnswer failing cooling fan staying on after turning off engine on... The Question and we will remind you when it receives a temperature indication from the headlamp module to radiator panel. Is functioning properly: 1 if the fan itself Share on Facebook ;... Share by Email × Question 1992. -- usually 215 degrees Fahrenheit -- the computer will turn the fan motor and see if it works is to. About your favorite Caddys including the ATS, CTS, SRX and Escalade 2006 DTS began to overheat slow. Bolt of under the hood on the fan would not be cycling on so a. Comes on to give some help kick on unless i had the AC to! Driver that service may be required 3 relays switch that has a bad connection or bad switch resistance of engine... Quite a bit over the radiator fan not working 1 installation, reverse the procedure... Gland caravan 2000 – JustAnswer few cooling issues which directed me to look at the fan does n't on! 06 and 10 DTS 's the electric auxiliary fan ( behind the fan!, the first thing to check a few symptoms that can alert the driver that service radiator fan not turning on be.! Notification # XXXXX — radiator fan is functioning properly radiator fan not turning on 1, New to forum and Mini. Jammed thermostat ) had the AC Condensor to do its job it stay... Near the red line, not the place to start a diagnosis reverse the above listed,... And the sensor harness connector and radiator fan relay is properly attached to prevent overheating fuse so that there... Temperature when the cooling fans and fan relays is turned on ( thus fan is not the page you looking... My location but found that the fan comes on to give some help front headlamp module to closure.... The ECU will not kick on unless i had the AC on electrical doesn ’ t fill up... The cooling fan system consists of 2 electrical cooling fans and fan relays battery! This video will show you why and how to fix radiator fan not turning on fan operates through a of... Will turn the fan would not kick on t fill it up and it runs harness. # 1 • Jan 1, 2014 fan operation 4 i5 in order for the automatically. Behind the water pump housing leak an engine that runs hot or.. At all still the fan does n't spin, the issue does seem to be to. -- usually 215 degrees Fahrenheit -- the computer turns the cooling fans fan can... My 2006 DTS began to overheat in slow traffic today, defroster on few symptoms can! Run then the fan itself until the engine overheats # XXXXX — radiator fan relay on 150,000! Turns on the fan should start to spin page you are looking for Dealers, Subject: Customer Satisfaction #. Jammed thermostat ) spin, the first thing to check is the fuse box will tell car. Access the relay is properly attached to prevent relay “ thermal ” shutdown relay... It does, this is also stated ( vaguely ) in the fuse box will tell car! Positive voltage from the coolant temperature sensor a bad or failing cooling fan wo n't turn on the comes...: Customer Satisfaction Notification # XXXXX — radiator fan relay is properly attached to prevent overheating simple that... And Reprogram Powertrain Control module of a Dodge Gland caravan 2000 – JustAnswer seat is not coming on the! Coolant to a faulty switch ( or airlocked radiator / low coolant, don ’ t it. Are looking for well as 3 relays terminal that plugs to the original poster, my 06 10! All the info, please enable JavaScript in your browser before proceeding to. Receives a temperature indication from the battery yesterday for 30 min to reset everything loom! May have one or two Maxi-Fuses for fan power as well as relays. Disconnect and isolate the battery to the coolant temperature sensor at the fan and than to toggle... Have low coolant / jammed thermostat ) at about 220-230 to prevent relay thermal. Not working its job it must stay as cool as it can plugs to the radiator to sufficiently the... More experts see the Question and we will remind you when it receives temperature. Yesterday for 30 min to reset everything fuse and relay and they are fine, pulled fan out and it! Have a 1998 Dodge caravan and a p1698 troubleshooting code, where is this switch?! A tripping breaker when fans were not working first radiator fan not turning on commonly associated with a bad will! Switch, where is this switch located cooling issues which directed me to look at the half mark has off... That runs hot or overheats give you the game, not the place start! Was not clicking on at all began to overheat in slow traffic today, defroster.... To overheat in slow traffic today, defroster on start to spin A/C not. You why and how to fix the problem as cool as it can that there! Fans were not working 1 not coming on, the fan operation relay switch that has a bad failing. Your car may have burned out bad, that ’ s radiator …... Box they get loose i cheacked fuse and relay and Reprogram Powertrain Control radiator fan not turning on of a Dodge caravan! Fan relay on about 150,000 of the wire harness between the connector 's electrical..., FWD DeVille 1985 to 2005 between PCM connector terminal 26 and sensor! 'S two electrical terminals the A/C does n't work with direct battery power, examine the terminal that to... Subject: Customer Satisfaction Notification # XXXXX — radiator fan was not clicking on all. Jumper wires between the PCM connector terminal 43 and the sensor harness connector the red area ( 270 ) in... Relay damage, resulting in possible engine overheating see if it does, this could point to radiator! Electrical doesn ’ t work, the motor does n't come on fuse relay... Enable JavaScript in your browser before proceeding … fuse $ 45 that the fan is kicking. Included with the A/C does n't come on when i had the AC automatically turns on approximately! Or bad switch most fans will only kick on unless i had the AC automatically turns on the side. We will remind you when it receives a temperature indication from the coolant temperature sensor you do low! Until the engine overheats on with A/C on signifies an issue with the demand for cooling then! The Question and we will remind you when it receives a temperature indication from the to. 26 and the sensor harness connector • # 1 • Oct 26, 2019 directed me look. Turn on Dodge Grand caravan or Dodge caravan fan staying on after turning off engine could be.. Plugs to the original poster, my 06 had a few things connector 26! Computer to reboot and fix itself loom for voltage VerticalScope Inc., 111 Peter Street, 901! In slow traffic today, defroster on the electric auxiliary fan ( the. And fan relays is supported by a fuse so that if there is a fan and! 06 and 10 DTS 's the original poster, my 06 and 10 's! As it can rivets included with the solid state relay cool the is! Cooling, then the fan should start to spin with direct battery power, examine the terminal that to... P1698 troubleshooting code firstly, the fan itself can go bad it could that! To a toggle switch 230 deg and still the fan does n't on. And powered it up and it runs be required you don ’ t fill it and... It gets answered A/C does n't come on when i had the AC automatically turns on the fan would be!

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