What happens if you remove the shroud? 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. • Airflow: The volume of air a fan can move within a given time. 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. 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. A pusher fan sits in front of the radiator. Username or Email Address Do you already have an account? Many have reversible blades or brackets that allow for mounting in any position. (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. 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. Electric fans require very little amperage and are suitable for use in race car or tow vehicle. Why is it behind the radiator? What to Look for In a Radiator Fan. 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. However, this appears to come with some compromise. This may entail placing two smaller fans (This could also help with 'depth' issues) side by side rather than just one large one. Is it most likely the fan itself og the thing that controls the fan that is broken? 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? I read the fan should kick in at 83 celcius. When a vehicle is moving, a pusher fan can obstruct airflow due to its positioning in front of the radiator. 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. Puller-style fans are recommended for applications in which the electric fan is the primary cooling source. Whether your fan is in front or behind your radiator does not matter, universal fans are made to fit on either side. Car: sold. Yes, my password is: Forgot your password? Alternatively, the radiator may draw air from the flow over the top of the vehicle or from a side-mounted grill. The higher the number, the more force the fan can exert on an object. Yeah, that's perfectly fine. #2. Put a giant fan in your front door pushing air in and you get movement around your front room. Location: International, Orlando, FL. If the motor runs cool around town with the A/c on then the added fans must be doing there job. We use cookies to give you the best possible experience on our website. This is the ideal situation. Does anybody know what controls the fan and where its located? Is - Answered by a verified Oldsmobile Mechanic. THERMO FANS. I have a 16" behind my radiator; it won't fit in front even if I wanted it to. I always compare it to fans in a house. Electric radiator fan position - In front or behind? They can be located either in front of the radiator to push air through its core or behind the radiator to pull air. Today we address the subject of push, pull, push-pull fan setups and how they affect different radiators and performance. This being presumably more efficient than bolting it in front with it's central motor, supporting webs, outer casing etc. Does anybody have experience with the same problem? A puller fan on the other hand sits right behind the radiator. The radiator is more than 360mm long and will extend up toward the top of the case. in your house. A blade design optimized for static pressure makes it easier to overpower the obstacles. The ones you saw fitted in front were only on the very early models which had fans in front and behind. Build Help. In front or 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. 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. You said thereçs one in front of A/C compressor. 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. Stay logged in 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. Fans are usually more efficient drawing on … Pusher-style fans mount on the front of the radiator and blow air through the radiator core. 1) The 360mm radiator will fit upfront mounted behind the fans. 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? Trader Rating: THERMO FANS. 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. Slim, low profile design typically allows mounting in front or behind radiator and also suitable for use with A/C condensers & intercoolers. Universal fans are typically cheaper than direct-fit fans, less durable, and more challenging to install. 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 in the way of the incoming air. Pulling air through a largely unobstructed core/matrix. Fans are set up as puller units, mounted behind the radiator. 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. This forced the fan to "suck" air through the radiator. We hope to help you decide what kind of setup is right for you and to show the benefits of each. Puller-style fans mount behind the radiator and draw air through the core. The idea being that the air the fans are sucking has to pass through the radiator fins - improving efficiency a fair bit. By flipping blades, reversing wires, and mounting in front of radiator, fans will operate in pusher configuration. 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. Manufacturer recommends the fans on the radiator pull outside air in. This is the rad I have Other fans are designed to be both a puller and pusher, meaning you can either mount them in front or behind your radiator. We measure static pressure in units of mmH2O. 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. Blade pitch & design allow this fan to operate best when mounted behind radiator in pull mode. We continue our guides that show differences in radiator performance depending on the speed of the fans, thickness, and FPI of radiators etc. The fan in front of the radiator stopped working, and now my oil temperature goes up to 90 celcius at normal driving. 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. 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. If only one works, it is possible to have a fuse or … 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. Others users are reporting they cannot install a 140mm fan … Electrical fans can either push air through the radiator or pull air through it. These fans feature detachable blades that you can flip to face the opposite direction. 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. We use cookies to give you the best possible experience on our website. I see 2 fans, one in front of radiator and another behind. Thus both fans should operate at the same time when commanded on by the PCM. Join Date: 05-08-02. 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. Installation may require you to switch the wire connection to change the blades’ rotation. 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? Thread Tools: 06-10-02, 20:23 #1: X-RB3-747. Allstar Electric Fan 16in Curved Blade ALL30076. 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. bye bye car . The wiring schematic for your engine only shows one input control from the PCM. All Phantoms have a fan behind the radiator pulling. Wouldnt it be better to have the fan right at the front?? No, create an account now. It doesn’t matter if the barrier is in front of or behind the fan. I'm just saying that running one in front is not "useless as tits on a bull". Opinions on installing radiator in front of fans vs. behind the fans. In terms of an engine bay front mounted radiator, you will be better off with the correct fan mounted behind the radiator. Click HERE!!!. 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. Advertise Directly on Calais Turbo. In front or behind the radiator? Last edited by Stroprock; 04-07-2012 at 17:16. I want to know if it is okay to have the fans push inside air out. I've always believed the wisdom to be that the fan should whenever possible be behind the radiator.
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