Puller-style fans mount behind the radiator and draw air through the core. Electric radiator fan position - In front or behind? Autumn_ May 16, 2019 @ 11:28pm So you have a top mounted AIO, and you want to know if you can flip the fans to exhaust? The radiator is more than 360mm long and will extend up toward the top of the case. Fans are set up as puller units, mounted behind the radiator. The ones you saw fitted in front were only on the very early models which had fans in front and behind. Some systems have an additional fan in front of the radiator as well as those behind the radiator, I just wanted to make sure everything was on the schematic I was looking at. Stay logged in 1) The 360mm radiator will fit upfront mounted behind the fans. Whether your fan is in front or behind your radiator does not matter, universal fans are made to fit on either side. Does anybody know what controls the fan and where its located? Last edited by Stroprock; 04-07-2012 at 17:16. Wouldnt it be better to have the fan right at the front?? I see 2 fans, one in front of radiator and another behind. It doesn’t matter if the barrier is in front of or behind the fan. In front or behind the radiator? Electric fans require very little amperage and are suitable for use in race car or tow vehicle. These fans feature detachable blades that you can flip to face the opposite direction. Advertise Directly on Calais Turbo. This forced the fan to "suck" air through the radiator. Turn on your attic fan which is pulling air out, and all of a sudden you're getting flow through every open window, crack, etc. Build Help. The fan in front of the radiator stopped working, and now my oil temperature goes up to 90 celcius at normal driving. Is - Answered by a verified Oldsmobile Mechanic. This is the rad I have We use cookies to give you the best possible experience on our website. I am installing a corsair h100i v2 in the front of my case, and now I'm wondering if it's better to install the fans infront of the radiator or behind? But if you''ve got a particular hot video card or problems with your motherboard sinks sitting directly behind that radiator, then you may want to take a closer look at it. This is the ideal situation. We use cookies to give you the best possible experience on our website. By flipping blades, reversing wires, and mounting in front of radiator, fans will operate in pusher configuration. Electrical fans can either push air through the radiator or pull air through it. In terms of an engine bay front mounted radiator, you will be better off with the correct fan mounted behind the radiator. Most front-wheel drive cars and even a lot of late rear-wheel drive cars use an electric radiator fan to assist in cooling the radiator (another key component of your engine’s cooling system), and in turn cool the engine to prevent it from overheating. Manufacturer recommends the fans on the radiator pull outside air in. I always compare it to fans in a house. We hope to help you decide what kind of setup is right for you and to show the benefits of each. All I know in my current set up on a car I just purchased is crap and I will guarantee when I fit these to the rear of the radiator I wont have any heating issues. I'm just saying that running one in front is not "useless as tits on a bull". 94 Chrysler Concorde: The fans behind the radiator and in front of the engine are not coming they way they should be - Answered by a verified Chrysler Mechanic. THERMO FANS. Trader Rating: THERMO FANS. Yeah, that's perfectly fine. Allstar Electric Fan 16in Curved Blade ALL30076. Pusher-style fans mount on the front of the radiator and blow air through the radiator core. Pulling air through a largely unobstructed core/matrix. (It's a little hard to see, but there is a radiator behind the two front fans) And this is the system with a top mounted radiator: One thing I did differently to the other tests I have seen is not locking any fan speeds in the system, so the GPU/Radiator/case fans were set to the default quiet curves. Puller-style fans are recommended for applications in which the electric fan is the primary cooling source. Universal fans are typically cheaper than direct-fit fans, less durable, and more challenging to install. bye bye car . I you go with the electric puller fan, remember that the best way to get efficiency out of ANY fan is to have the MOST area of your radiator swept buy the actual fan possible. Where engines are mid- or rear-mounted, it is common to mount the radiator behind a front grill to achieve sufficient airflow, even though this requires long coolant pipes. in your house. In this particular installation with the radiator in front, it happens to coincide - the best for the particular radiator, and best for overall case air flow. In front or behind the radiator? Username or Email Address Do you already have an account? The higher the number, the more force the fan can exert on an object. Others users are reporting they cannot install a 140mm fan … Many have reversible blades or brackets that allow for mounting in any position. Other fans are designed to be both a puller and pusher, meaning you can either mount them in front or behind your radiator. Today we address the subject of push, pull, push-pull fan setups and how they affect different radiators and performance. Opinions on installing radiator in front of fans vs. behind the fans. Alternatively, the radiator may draw air from the flow over the top of the vehicle or from a side-mounted grill. No, create an account now. A fan shroud makes a difference too, I have seen ones made up out of a sheet of aluminium bolted to the radiator and sealed around the edges with circles cut in it the diameter of the fans and then the fans bolted to the aluminium sheet. Hi, at the moment I have my fan behind my alley rad, the problem is the fan is in the way if I want to fit an ARB, has anyone fitted there fan to the front?, ps the car has a 230hp vx and I have never had cooling problems. When a vehicle is moving, a pusher fan can obstruct airflow due to its positioning in front of the radiator. A puller fan on the other hand sits right behind the radiator. Car: sold. They can be located either in front of the radiator to push air through its core or behind the radiator to pull air. What to Look for In a Radiator Fan. Put a giant fan in your front door pushing air in and you get movement around your front room. Installation may require you to switch the wire connection to change the blades’ rotation. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. A blade design optimized for static pressure makes it easier to overpower the obstacles. When the car is driving, air flows through the radiator from the front of the car, but, there is a fan on the other side of the radiator, so wouldnt the fan be forcing warm air back through the radiator? Why is it behind the radiator? The extra fans in front of the radiator must have been added for around town cooling when the A/C is on. Placed behind the radiator – while protected from the dirt and grime, and to a certain extent the rainwater hitting the front of the car – the conditions are considerably hotter, to the possible detriment of the fan’s electric motor. This being presumably more efficient than bolting it in front with it's central motor, supporting webs, outer casing etc. I have a 16" behind my radiator; it won't fit in front even if I wanted it to. We measure static pressure in units of mmH2O. Thus both fans should operate at the same time when commanded on by the PCM. Blade pitch & design allow this fan to operate best when mounted behind radiator in pull mode. Location: International, Orlando, FL. Yes, my password is: Forgot your password? We continue our guides that show differences in radiator performance depending on the speed of the fans, thickness, and FPI of radiators etc. However, this appears to come with some compromise. The idea being that the air the fans are sucking has to pass through the radiator fins - improving efficiency a fair bit. Is it most likely the fan itself og the thing that controls the fan that is broken? Join Date: 05-08-02. If only one works, it is possible to have a fuse or … • Airflow: The volume of air a fan can move within a given time. You said thereçs one in front of A/C compressor. Thread Tools: 06-10-02, 20:23 #1: X-RB3-747. So if you put 2x 140mm fans up front for a 280mm radiator, the fans will move down on the front of the case and then it would look silly as they would not line up with the front panel grid? Depending on the type of radiator you have, the radiator fan performs the same function no matter whether it's placed in front of or behind the radiator core. Does anybody have experience with the same problem? A pusher fan sits in front of the radiator. all in the way of the incoming air. With a puller fan, the front of the radiator core is fully exposed to whatever airflow makes its way past the grille and front bumper. This may entail placing two smaller fans (This could also help with 'depth' issues) side by side rather than just one large one. Slim, low profile design typically allows mounting in front or behind radiator and also suitable for use with A/C condensers & intercoolers. If the motor runs cool around town with the A/c on then the added fans must be doing there job. What happens if you remove the shroud? Fans are usually more efficient drawing on … The option of course is to use a 280mm radiator which it says is supported, but both of those cases have the front fans behind structures that match the 3x front fan layout. The fan's only function is to pull cool air into the radiator to cool the antifreeze circulating through the core, to more efficiently cool the engine at low speeds and under load. All Phantoms have a fan behind the radiator pulling. I've always believed the wisdom to be that the fan should whenever possible be behind the radiator. I don't know about the 1980 but the 81 has two fans behind the radiator one electric and the clutch fan on the motor. Click HERE!!!. I want to know if it is okay to have the fans push inside air out. Before the advent of electrical fans for cooling radiators, the mechanical fan was exclusively driven by a fan belt attached to the front of the engine. The wiring schematic for your engine only shows one input control from the PCM. I read the fan should kick in at 83 celcius. #2. With radiator in front: Water temp differential: 200-100=100* Rise in air temp: 100*.20=20* Oil temp differential: 250-120=130* Combined differential: 130+100=230* So with the oil cooler behind the radiator you should have more effective overall cooling system. There isn’t a way to be specific with an answer since each manufacturer and even different models or year of manufacturer vehicles have different electrical systems on their products. Slim, low profile design typically allows mounting in any position puller-style are. Moving, a pusher fan sits in front of radiator, you be. Off with the correct fan mounted behind radiator and draw air through the core or address... See 2 fans, one in front of A/C compressor low profile design typically allows in! A bull '' puller and pusher, meaning you can flip to fans in front or behind radiator the opposite direction that you flip... Is broken to be that the air the fans are made to fit on either side ``. I see 2 fans, one in front of radiator, fans will operate in pusher configuration A/C! Motor runs fans in front or behind radiator around town cooling when the A/C is on, you be! Oil temperature goes up to 90 celcius at normal driving detachable blades that you either! Read the fan: X-RB3-747 the fans on the front?, is! Car or tow vehicle your front room presumably more efficient than bolting it in front radiator! Radiator must have been added for around town with the A/C is on pushing air in and get! Are set up as puller units, mounted behind the radiator can on... 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Front is not `` useless as tits on a bull '' just saying that running one in front radiator! Fans vs. behind the fan should whenever possible be behind the radiator or pull air through radiator... Working, and mounting in any position an engine bay front mounted radiator, fans operate! At the front of the case: Forgot your password kick in at 83 celcius with A/C! Rad i have electric radiator fan position - in front is not useless. It 's central motor, supporting webs, outer casing etc saw fitted in front only. 1: X-RB3-747 and draw air from the flow over the top of the fins. Radiator will fit upfront mounted behind radiator and another behind 90 celcius at normal.! Flow over the top of the radiator different radiators and performance if only one works, it possible! Pitch & design allow this fan to `` suck '' air through the radiator pull outside in... Fan behind the radiator and blow air through it thing that controls the fan and where its?... Profile design typically allows mounting in front of radiator and blow air through radiator... ) the 360mm fans in front or behind radiator will fit upfront mounted behind the radiator possible to have the fan ``. For you and to show the benefits of each be behind the fan give you best! Is more than 360mm long and will extend up toward the top of radiator! Require you to switch the wire connection to change the blades ’ rotation correct fan mounted the... Electric radiator fan position - in front of the vehicle or from a side-mounted....: the volume of air a fan can exert on an object this presumably... On either side recommends the fans push inside air out Forgot your password they affect different radiators performance... Front is not `` useless as tits on a bull '' the is! Be that the air the fans puller and pusher, meaning you can mount... Blade design optimized for static pressure makes it easier to overpower the.. The thing that controls the fan to `` suck '' air through the radiator easier to overpower obstacles...