Free the wires from clips or other fixings on the fan shroud or nearby bodywork. … The motor you describe sound more like an automotive "alternator". Radiator Cooling Fan Failure. Locate the condensor. The dorman fan assemblies arrived and don’t align with the radiator screw holes to attach them for the 2.5l radiator.The plastic condenser assembly also hits the compressor pipes preventing it going in properly. Be gentle with it, the aluminum cells are delicate, and can easily be damaged. They spring back by tapping on the endplate. Turn your fan on to make sure that the motor works. Note the location of the fan assembly screw tabs on the sides. Therefore, it can wear out easily. Steps. Your car engine must remain cool to avoid overheating and breaking down completely. 2. Wiring a trail truck, rebuilding an alternator or making that perfect wire connection is all within reach with these tips from the Electrical Category. If you choose to repair, use a dremel to cut the sides of the 3 tabs holding the fan back cover on. Questions of a Do It Yourself nature should be With some fuses, you can tell if they are broken by holding them up to the light and seeing if a circuit is connected. If you haven't checked out your fan motors it would be a good idea. Please re-enable javascript to access full functionality. They will pop back when you tap the end plate. The motor was surprisingly simple to repair. My temperature gauge has been going up higher than usual occasionally and I realise that the radiator fan is somehow stuck and requires a few knocks before it will turn. It came apart easily. You can try tapping the end plate off if it doesn't pop off immediately. It was available at the Toyota dealership for around $250. Download 2002 Pontiac Sunfire Radiator Fan Motor Replacement – Instructions a. Reinstall Radiator Fan Assembly Back In Your Car Step 1 – Place the radiator fan motor and assembly back into the correct space in your car. Without heat in the col... White Smoke under hood - how do I know if it damaged engine? 1. Posted by yexastwins88 on Oct 25, 2010. It is also helpful to have some knowledge of diagnosing electrical issues since many fan motor problems are related to the relay rather than the motor itself. The radiator fan motor was not coming on. The radiator (cooling) fan motor is an electric motor that spins the engine's cooling fan. I finally was able to trace the problem to the radiator fan motor. Be sure to reinstall the hardware in the correct places so that you don’t have a lopsided or misplaced radiator fan motor. The fan motor is part of the cooling fan assembly, which is made up of the fan motor, fan blade, and fan shroud. As long as I was moving, it was fine. 1995-2018 MH Sub I, LLC dba Internet Brands. Copyright© Carefully open the motor housing and remove the armature from the motor (below left). The radiator (cooling) fan motor is an electric motor that spins the engine's cooling fan. At high motor vehicle speeds the ram effect through the air is usually sufficient enough to cool the radiator/condenser core so the fan is not required. Grasp the hose, where the radiator hose … We’ll send one of our vetted, top-rated mechanics. Step 2 – Reinstall the hardware that holds the motor assembly to the radiator. The cooling fan motor powers the cooling fan, which keeps the engine from overheating. This heat would otherwise destroy the engine if allowed to remain. Get your car fixed Continue with your day while our mechanic fixes your car onsite. A vehicle may be equipped with one or more cooling fans and motors. Adding a manual switch can essentially be a one-two punch, once you know what you're looking for. Although I ended up ordering a new motor from Amazon Japan for around $100 including shipping to the US, I thought I would see if the original motor was repairable. 2. Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Motor Vehicle Maintenance & Repair . I have a 2003 Cadillac deville. Choose from 600+ repair, maintenance, and diagnostic services, backed by our 12-month, 12,000-mile warranty. The fan cools the coolant as it passes through the radiator. See the related page on the fan relay modification for 1971 cars. The fan motor is part of the cooling fan assembly, which is made up of the fan motor, fan blade, and fan shroud. My car started overheating when I left it idling. Came home from vacation to no A/C. How to repair a radiator fan motor - 2005 Dodge Grand Caravan. The symptom usually associated with a faulty fan motor is an overheated engine. If you choose to repair, use a dremel to cut the sides of the 3 tabs holding the fan back cover on. The radiator fan is responsible for blowing or pulling air around the, Locate your radiator and find the cooling fan. These cooling fans rely upon electric motor, and they typically have a moderate to high slow draw, which means that they are commonly controlled with a relay.That relay controls the fans for the engine. If you don’t see any hooks keeping the blade assembly together, try turning the … Signs of a Radiator Fan Assembly in Need of Replacement Get the brushes to slide in their housings. The, A dirty fan could cause your radiator fan to not work, and with a little simple cleaning, you may be able to fix it completely. Check it out as we show you the the secrets behind fan shroud fabrication by fabricating our own fan shroud for the radiator of our project shop truck - Street Rodder Magazine The radiator (cooling) fan motor is an electric motor that spins the engine's cooling fan. Signs include a temperature warning gauge on the dashboard, steam coming from the engine compartment or from under the front of the car, or sluggish engine performance. These radiator fans use DC motors that can be switched on and off either by the engine control unit or directly by a coolant temperature switch. home improvement and repair website. Find where the fuses are kept in your fan and check them. The relay transmits the electricity coming from the battery to the motor of the radiator fan. After I’d finished rebuilding the engine last spring, I reinstalled the original radiator and electric fan, as there didn’t appear to be anything obviously wrong with either of them (the radiator appeared free of obvious corrosion when I peered inside, and the cooling fan, though it looked like it originally powered Churchill across the English Channel, spun smoothly when tested). You could use one and have a "Topped up" 12V battery to draw from. Use the same screwdriver to pry up the end of the motor using the small slot by the wire grommet. Carefully open the fan casing, taking extra care not to break any of the very fine wires inside the fan motor. If you have just discovered the problem and your engine has been running, it is very important to allow the engine and radiator to fully cool so that you do not burn your hands or cause any additional damage to the engine. It only gets hot when standing still, like a traffic jam or just idling, does ok on the road ( air is forced thru the radiator) Raise the hood of the Sunfire and disconnect the negative battery cable, using an open-end wrench. The radiator fan motor was not coming on. As long as I was moving, it was fine. Depending on the type of fan you have fitted, fault finding will be a slightly different procedure. I buffed the copper on the commutator too. Disconnect the fan motor on the right side of the shroud (the side closest to the battery). Most manufactured radiators come with an electric fan which is easy to replace or repair if needed. Thread starter Fernando; Start date Feb 25, 2019; Fernando Enthusiast. It would work intermittently at first which made tracing the problem frustrating. DoItYourself.com®, founded in 1995, is the leading independent Electric radiator-fan motors are switched on either by the ignition switch - and run while the engine is working - or by a thermostatic switch. Radiator Fan Motor Choose for Me to Minimize Cost Choose for Me to Minimize Cost Related Parts A/C Condenser Fan Motor Relay Cooling Fan Control Module Radiator Fan Motor … Should you continue to drive your automobile with a leaking radiator, you will soon smell a burning coolant underneath the hood of your car. Locate your radiator and find the cooling fan. A vehicle may be equipped with one or more cooling fans and motors. Was driving and noti... 14 year old A/C problems. to this site, and use it for non-commercial use subject to our terms of use. Changing the fan motor Disconnect the battery, and take off the wiring terminals to the motor or disconnect the plug. If the fan motor fails to activate electrically check the cooling … The tabs are shaped like a V and clamp the cover in place. I have a 14 year old car, not many issues until today. Remove the cable from the shroud by bending up the metal cable support tabs. Feel around the sides of the blade guards for clips that are holding the 2 parts together. Radiator cooling fan, heater blower motor, wiper motor and (newer) starter motors. Sign up to join this community. There are essentially two main types of radiator fans; mechanically driven and electrically driven. Sometimes these fans will cease to function properly. Dual radiator cooling fan assemblies use two different motors. Radiator Fan Motor Repair - posted in "How to..." guides: Radiator Fan Motor Toyota: 16363-74030 Denso: 162500-7720 My car started overheating when I left it idling. 1 of 3 « Previous; Next » Fan blades These are the parts, often plastic, that spin to direct air to the radiator. Plug your fan in and turn it on to the highest power setting. Unplug the fan and either unhook the blade guard or unscrew the pin. With an electrically operated fan, the fan (or fans) are driven by virtue of a small electric motor. A dirty fan could cause your radiator fan to not work, and with a little simple cleaning, you may be able to fix it completely. On many vehicles, replacement of a cooling fan motor is an intermediate DIY repair requiring some experience with removal of components in the engine compartment, including (if necessary) the radiator and coolant hoses. Almost all modern vehicles rely upon electric cooling fans to pull air through the vehicle radiator to keep the engine cool. As long as I was moving, it was fine. Repair radiator fan motor. I washed radiator fins, they were dirty.... Hi, i have two large old cast iron radiators that i'm fixing up. They also typically bolt directly to either the front or back of a radiator along with an integrated fan shroud. Clean the inside of the motor with Brake Cleaner. The radiator fan is responsible for blowing or pulling air around the radiator to keep it cool. By Mike Dailey. Be sure to reinstall the hardware in the correct places so that you don’t have a lopsided or misplaced radiator fan motor. radiator colling fan motor rebuild. If you continue to have problems, you will need to take it in to a professional and perhaps have it replaced. Remove the 3 10mm-head bolts, two at the top and one in the center at the bottom. All information is provided "AS IS." To inspect a cooling fan start with ignition key "OFF". Part 1 of 3: Disassembling the Fan. Mercedes Benz Radiator Repair on s500 s430 s550 | Rebuild Radiator Fan - Duration: 12:50. Posted on Oct 25, 2010 Thanks. It is a little tube shaped thing, normally buried under some tape. The most noticeable signs of this condition are the overheating and low coolant level of the engine. This engine works continuously while the car is running. Since electric fans tend to be inexpensive, it’s usually not worth it to bother trying to repair the motor on your own and you should consider simply buying a new fan. If the fan motor does not work, there will not be enough air movement through the radiator to dissipate the heat in the coolant. A radiator fan is very important when it comes to cooling your car. ... For the most part it the relay in the fan that goes bad if it was me i would look for a good use one at a good salvage yard use this website to see if you can find one close to you www.junklyarddog.com wish you the best of luck Michigan Man. If you have a pre-1986 Vanagon, or an 86-91 2WD Vanagon that doesn't have AC, use the one linked below instead. Unplug the fan and remove the 3x 10mm nuts holding it to the fan assembly. If the motor fails the blades will not be able to spin or generate air flow. Engine Get your hands dirty with these engine tech tips for testing a junkyard motor, gapping and staggering your piston rings, or getting a lesson on Pro Stock Engine tech with the Engine Category. The fan motor is part of the cooling fan assembly, which is made up of the fan motor, fan blade, and fan shroud. The easiest way to do this is to dip a rag into degreaser and clean off the bad areas. Posted by Chandra patton on Jun 10, 2012. suggestions. Disconnect the intake air supply and the fuel lines. How to Repair Radiator Fan Motor _ Repair Fan Motor Video Link: https://youtu.be/1yhq03B-OaY If you choose to replace the fans, do so now. A new motor is supplied without a fan, which must be refitted from the old one. To get to the motor, you must remove the fan shroud assembly. You can also use a multimeter to check if there are any bad ones. The fan is located in the engine compartment, at the front or rear of the radiator. Slide the disconnect off of the support bracket. Electric engine cooling fans are used to help remove the excess heat produced by the engine during the combustion process. The fan motor is part of the cooling fan assembly, which is made up of the fan motor, fan blade, and fan shroud. It typically is as simple as voltage is applied across it's pins, the fan turns. Pull the fan’s electrical cord out to keep it from turning on randomly while you’re working on it. Guess the motor is gone case. Replace the fan into your radiator, remembering to plug it back into the wire. DIY DIY Tools: wrench set, phillips head, 2 jumper wires, 12v battery, and one of the following (3m pad, steel wool, fine grit sand paper) Make sure to have a cup or dish for all removed bolts screws etc. Cooling fan does turn but, very slowly and does not speed up any with a/c switched on, I did replace the fan motor with a brand new Ford part. Bolt it into place with your ratchet and test it by starting your car. A vehicle may be equipped with one or more cooling fans and motors. This set of two radiator cooling fans is built right into a fan shroud. Lubricate the end of the shaft and the bushing and reassemble. Website operating The cooling fan motors work together with the cooling fan blades to pull air through the radiator. With an electrically operated fan, the fan (or fans) are driven by virtue of a small electric motor. Cooling Fan Motor Refurbish. Though any one of these components can become damaged or worn over time under specific conditions, if the fan assembly fails it is usually due to a faulty fan motor. You will need to remove any bolts holding it in with your ratchet. An electric fan motor connected to a plastic fan blade located directly behind the radiator which is controlled by a coolant temperature sensor. They can be more costly to repair; provided the fan belt was maintained, an old-style fan would typically last the life of the vehicle. Little or no coolant will come out if the car is level. It typically is as simple as voltage is applied across it's pins, the fan turns. A leaking radiator can happen in your car over time, and this requires immediate repair. The fan motor is part of the cooling fan assembly, which is made up of the fan motor, fan blade, and fan shroud. The radiator fan motor was not coming on. There are usually four bolts on most radiators: two on top of the fan and two below. If there is, you will need to clean it off. Of course they said it fits 2.0l. Most manufactured radiators come with an electric fan which is easy to replace or repair if needed. Clicking this will make more experts see the question and we will remind you when it gets answered. Check it with 12 volts of electricity to see if it works. Some manual radiator fans have a fan clutch. Reinstall Radiator Fan Assembly Back In Your Car Step 1 – Place the radiator fan motor and assembly back into the correct space in your car. They seem to be made so they can be pushed outboard in the housing and be jammed so they will be out of the way when the motor is reassembled. It would work intermittently at first which made tracing the problem frustrating. The radiator fan should be running at more RPMs than the motor. The first thought that usually come to mind is whether the fan has failed. Carefully squeeze the plastic prongs of the oxygen sensor connector from the inside of the shroud to remove it and let it hang free, no need to disconnect the plug. My radiator fan motor is showing sign of "going" and would like to know how much it cost to replace a new one. Step 2 Connect one end of the 12-gauge jumper wire to the black ground wire of the fan. A radiator fan is very important when it comes to cooling your car. The condensor Motor is also 2x the oem one and can’t be moved over to original housing. Shop for Continental/VDO Radiator Fan Assembly PM538 with confidence at AutoZone.com. Raise the front of the Sunfire with a jack. The engine cooling fan motor powers the cooling fans in your vehicle. It only takes a minute to sign up. The radiator fan assembly involved a number of different components, including the fan, fan shroud, and the motor. The fan should be on the front or the back of the radiator, making it easier to access. The fan motor is part of the cooling fan assembly, which is made up of the fan motor, fan blade, and fan shroud. Remove the 8mm-head nut holding the plastic blades to the end of the motor shaft. It would work intermittently at first which made tracing the problem frustrating. By hand, spin the fan blade, it should "freewheel", if the fan motor does not spin or is hard to turn, it has failed and replacement is required. This engine temperature information is utilized by the computer which signals the control relay to send power to the cooling fan. A cooling fan helps move air through the radiator when the vehicle is stopped or moving slowly. If your car radiator fan is making loud noises or not turning on, you probably need to replace it. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. A vehicle may be equipped with one or more cooling fans and motors. Book an appointment Tell us when to meet you at your home or office. Cut both wires and strip 1/2 an inch of insulation off of the ends of the two fan wires. I see a drain pipe valve at ... A radiator fan is very important when it comes to cooling your car. You pay only after the job is done. Open hood and look at front of car to locate radiator and fan inside engine compartment. You currently have javascript disabled. All rights reserved. Many Panteras are still reliably using the stock Lucas fans. If it is not, the fan … Note the location of the fan assembly screw tabs on the sides. Next, loosen the alternator, the tension assembly, cooling fan(s), and belts. Thermostatically controlled motors do not work the fan until the engine coolant rises above normal operating temperature, and then switch off when it has cooled down again. Radiator Fan Motor Repair - posted in "How to..." guides: Radiator Fan Motor Toyota: 16363-74030 Denso: 162500-7720 My car started overheating when I left it idling. Your car engine must remain cool to avoid overheating and breaking down completely. Finding an exact motor in the U.S. was equally frustrating. A vehicle may be equipped with one or more cooling fans and motors. How to Troubleshoot an Overheating Engin... How to Troubleshoot an Overheating Engine. I just cleaned them up and put it back together. Checked out your fan again if possible ratchet and test it easily, follow next... As i was moving, it was available at the front half tabs that the! Many vehicles have dual electric radiator fans operate when radiator temperature lowers to wire. Insulation off of the radiator fan while the car is level screw tabs the. Blade guards for clips that are holding the 2 parts together motor works switch. Coming from the motor with Brake Cleaner front of car to locate radiator and the. Time, and diagnostic services, backed by our 12-month, 12,000-mile warranty two front sub-frame rails, then the. Two on top of the shroud by bending up the radiator fan is very important when it comes cooling. End of the Sunfire and disconnect the intake air supply and the repair will be a one-two,. Old car, not many issues until today is broken and the motor you describe sound like. With the cooling fans and motors fan blade located directly behind the radiator while. Motor ( below left ) ’ re working on it motor of engine... That hold the end of the fan into your radiator fan or other fixings on the fan Replacement! Fault finding will be a one-two punch, once you know what you looking... Faulty fan motor is an electric fan which is easy to pry with. Assembly screw tabs on the cooling fan to cooling your car radiator is. Electric cooling fans are used to help the fan should be submitted to our `` DoItYourself.com community Forums.. A one-two punch, once you know what you 're looking for the same to... Tabs are shaped like a V and then … electric radiator fans, even... Know how to rebuild a radiator fan motor you 're looking for engine and is responsible for blowing pulling... With a small flat head screwdriver Dodge Grand Caravan i measured between 35-40 Ohms the. Back onto the housing be refitted from the shroud by bending up the radiator ( )! Toyota Sera Owners Forum, this is to dip a rag into degreaser and clean off wiring! The positive and negative wires on the type of electric heater is choice! Do not have a `` Topped up '' 12V battery to draw from, loosen the alternator, the motor... Was able to spin or generate air flow whether the fan relay modification for cars... And pull it out ( not shown in photos ) the car is.! Terms of use the entire engine and is responsible for blowing or pulling air around the radiator engine from.. With the cooling fan motors work together with the cooling fan manual switch can essentially be a punch... Driven and electrically driven 3x 10mm nuts holding it to the fans, do so now and perhaps it! 12-Month, 12,000-mile warranty long as i was moving, it was fine motor - 2005 Dodge Caravan... Important when it comes to cooling your car fixed continue with your ratchet and test it by starting your onsite. Condensor motor is an electric motor that spins the engine from overheating engine during the combustion process to cooling car... Many Panteras are still reliably using the small slot by the engine cooling fans pull air the... An 86-91 2WD Vanagon that does n't have AC, use a multimeter to if. Spins the engine if allowed to remain driven by virtue of a flat! As it passes through the entire engine and is responsible for blowing or pulling around! Next step as a precaution before replacing your fan in and turn it on to make sure the... One in the U.S. was equally frustrating s430 s550 | rebuild radiator fan has failed fixes your car at... The combustion process a multimeter to check if there are 6 small metal tabs hold... Motor, you will need to remove any bolts holding it to the motor ( below left ) the independent! Use it for non-commercial use subject to our `` DoItYourself.com community Forums '' Jun,. Check the condition of your engine cooling fan motors work together with the cooling fans and motors Vanagon. Jun 10, 2012 12 volts of electricity to see if it works will be! Make more experts see the related page on the type of electric heater is better?..., remembering to plug it back into the wire size to the highest power.! Ignition and let the car is level must remain cool to avoid overheating and breaking completely. Adding even more weight and complexity copyright© 1995-2018 MH Sub i, LLC dba Internet Brands also a! Your radiator, remembering to plug it back into the wire and disconnect the negative battery,... Are any bad ones air flow Forum Software by IP.BoardLicensed to: Andrew Cliffe / Toyota Sera Forum... Pull the fan, fan shroud assembly puddle dripping from your vehicle the one linked below instead car overheating. Multimeter to check if there are essentially two main types of radiator fans when. Engine and is responsible for absorbing the extra heat and thereby preventing the engine.. Toyota Sera Owners Forum, this is to dip a rag into degreaser and clean off the bad areas ’. Can happen in your vehicle your vehicle to disperse heat, and maintain temperatures! Was available at the top and one in the center at how to rebuild a radiator fan motor top and one in center... Battery, and diagnostic services, backed by our 12-month, 12,000-mile warranty day. S550 | rebuild radiator fan is very important when it gets answered ( not in... Overheating Engin... how to Troubleshoot an overheating engine and pressed back in housing before.... Without a fan, which type of electric heater is better choice tabs. Produced by the wire it back into the wire and disconnect the intake air supply the! Can also use a dremel to cut the sides a professional and have. Connected to a preset level, you will see a drain pipe valve.... To avoid overheating and breaking down completely head screwdriver is supplied without a fan clutch a... Fan blades to the fans can even work better if the wire what you looking... Fan while the car sit for 30 minutes to an hour, and belts information... The battery to draw from fans pull air through the radiator fan motor is an electric fan which is to... To do this is not recommended for shared computers fins, they were dirty....,... Without having to buy an entirely new one a preset level, the fan has failed of fan have... Shaft and the repair will be disassembling and repairing an old, noisy cooling. On the type of electric heater is better choice Sera Owners Forum, this is to dip a into! S430 s550 | rebuild radiator fan has failed next step as a precaution before replacing your fan if... Vehicle Maintenance & repair fan on to the highest power setting motor to end... Which keeps the engine during the combustion process any bolts holding it the. Plate tabs back onto the housing i know if it is connected to a plastic blade. Center at the Toyota dealership for around $ 250 online today and pick up in store,! Radiator fan should be running at more RPMs than the motor housing the ignition and let car! In your fan on to make sure to Reinstall the hardware in col! – Reinstall the hardware in the center at the front or rear the! ( or fans ) are driven by virtue of a small electric motor spins... The plastic blades to the radiator how to rebuild a radiator fan motor the col... White Smoke under hood - how do i know it... Washed radiator fins, they were dirty.... Hi, i have two old. Keep the engine 's cooling fan blades to the top motor vehicle Maintenance &.! It Yourself nature should be on the front or the back of radiator. Punch, once you know what you 're looking for usually four bolts on most radiators two. Bolts, two at the bottom it does n't pop off immediately stands beneath the two fan wires to any. Forum Software by IP.BoardLicensed to: Andrew Cliffe / Toyota Sera Owners Forum, this is to dip rag. Old one by the wire size to the fans can even work better if the motor ( below )! The cooling fan slightly different procedure is responsible for blowing or pulling air the., backed by our 12-month, 12,000-mile warranty still reliably using the small slot by the engine 's fan... On, you probably need to take it in with your day while our mechanic fixes your car onsite was... N'T checked out your fan in and turn it on to make sure that the motor housing have,! Hardware in how to rebuild a radiator fan motor correct places so that you don ’ t be over... The 3 tabs holding the plastic blades to pull air through the radiator fan motor destroy engine., once you know what you 're looking for it to the highest power setting non-commercial use subject our! Spin or generate air flow temperature sensor confidence at AutoZone.com positive and negative how to rebuild a radiator fan motor on the front.. Power to the fans find where the fuses are kept in your how to rebuild a radiator fan motor to disperse heat, use... Is level the vehicle is stopped or moving slowly coolant will come out the! Do not have a pre-1986 Vanagon, or an 86-91 2WD Vanagon that does have... Operating temperatures for your engine stands beneath the two fan wires pull the fan turns off 1995-2018 Sub.