Car Radiator Fan Direction

When the car is moving this happens anyway. Puller fans provide more cooling.

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Get the 10 gauge wire and place it through the hole in your fire wall.

. If the fan is not OEM the air volume may be off and the electrical characteristics could be different. Now take the power wire from your fan and connect it to the wire that is going through the firewall. Lets find outStrawpoll link.

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. When a vehicle is moving a pusher fan can obstruct airflow due to its positioning in front of the radiator. Up to 8 cash back The fan should blow air toward the engine ie same direction as the air flow when the vehicle is in motion.

Fan blades appear different on some posts. The fan may be driven by the engine but unless the engine is working hard it is not always needed while the car is moving so the energy used in driving it wastes fuel. Cold air has higher inertia if multiple fans work as intake the air turbulence can reduce air insulation.

The fan does pull air through the radiator. Usually the radiator is at the front of the car and the fan is behind it pulling. The radiator cooling fan is an important part of the cooling system operation.

A puller fan on the other hand sits right behind the radiator. The fan rotates clockwise when your perspective is standing in front of the car looking at the engine. Fans on the bottom.

If the fan is mounted in front of the rad it should push air through the rad towards the motorif its mounted on the engine side of the rad it should pull air from the front of the rad towards the engineyou have fans that pullengine side and fans that pushfront of radthe entire concept is designed to work with the car in foward movement as well as stationary. The fan pulls fresh air through the radiator and exhausts it towards the engine generally in a downward angled direction. This is the fastest and easiest way to test your radiator fans.

To answer this it seems like the consensus is in favor of the pull style fans. The fan is stamped front the side stamped front is facing the front of the vehicle. The last measurement you should check is the distance from the face of the fan to the radiator.

The system works well as long as the car is moving. For a swiftech pulling works alot better. The first way this kind of radiator fan can fail is by locking up which would directly cause poor mileage and a loud whirring sound.

You can test the electrical radiator fans by taking a wire from the car battery unplug the radiator fan connector and put 12v and ground into the connector. Cant seem to determine if it is pulling maximum air through radiator. Independent tests have shown that even with a pusher style fan mounted only 58 of an inch away from the face of the radiator there is still a vast amount of air that escapes from around the skirt between the radiator and the fan blades.

IT blows into the engine. But when it is stationary a fan is used to help the airflow. A pusher fan sits in front of the radiator.

This makes sense to me since its the same airflow direction aka ram air effect as when the car is being driven frontwards. Both of my 12s engine cooling fans rotate clockwise looking at them from the front of the car and they both pull air in from the front. Engine Fan Test.

While a fan is not really needed while a vehicle is traveling down the highway it is extremely important when driving slowly or stopped with the engine running. Ive been having overheating issues. So now we have a wire that goes through the engine bay to the cabin of your car.

It would be impossible for the fan to blow toward the radiator becuse while you drive forward theair form the ouside blows into the engine if it blew the other way it would stop new air from coming inside the engine and your engine would overheat and a belt would probably snap becuse of. Pushing HOT air from the engine compartment out the rad such as when in traffic does not cool nearly as well as driving through the air letting cooler air. Ive replaced just about everything in the cooling system except the 2 temp sensors.

Less commonly the fan is in frontpushing and of course some cars have radiators on the sides or at the rear. In the past the fan was attached to the engine and was driven by the fan belt. Is my radiator fan on backwards.

Away from the radiator toward the rear of the car. The radiator needs a constant flow of air through its core to cool it adequately. 1987 - 1996 F150 - Radiator fan direction - Simple question for the forum.

The wisest course is to remove the fan and install a GM supplied part. Electric radiator-fan motors are switched on either by the ignition switch - and run while the engine is working - or by a thermostatic switch. Doc here imp.

Dangerden also recommends pulling out and theyre radiators are very similiar to swiftechs. The whole suckblow debate thing in general seams to be an ongoing thing with no clear 100 answer. The blades on MOST Cooling fans are Flat enough of a pitch where they will run equally as well in either directionso that shouldnt be a worry.

I actually mounted one fan pulling and one pushing on a rad and the one pushing didnt do to much. The exhaust side can work on its own pressure difference if you seal the case properly. Most Minis with big engines will get hot in traffic on warm days.

The radiator fans have electrical motors inside of them which will wear out after some years. In this video I explained how Engine radiator cooling fan works and why it is necessaryHow radiator cooling fan worksWhy radiator cooling fan is necessary. This subject came up in the context of a swap I did to put a 1987 Mustang 50L engine with EFI and a serpentine belt drive into a 1979 F100By the time it came to installing the engine driven cooling fan I had a ton of parts laying around from various Ford V8s - some standard clockwise rotation fans and some reverse counterclockwise rotation fans from.

There should be at least 1 inch of clearance between the two. Does any of it really matter. There should be 1-inch of clearance around the outside of the fan blades to the fan shroud.

99 eclipse GS NT auto trans. To reverse the direction of a DC Fan motor provided it is NOT polarity protected by a diode or cap just reverse the power and ground wires. The primary cooling for an engine besides coolant which simply raises the boiling point of the water is a result of the water being cooled by circulating it through the channels of the radiator.

Also I would be reticent to put any cheap sleeve bearing fan in a vertical axis orientation for the proper lubrication can only work horizontally. It pulls air through the radiator and has less impact on airflow at high speeds than a pusher fan since it is behind the radiator. The fan inside pushes air through the rad the electric fan outside pulls air through the rad.

The second way this fan can fail is by the silicone grease leaking causing the fan to fail in pulling air through the. This will be the wire that connects your switch to your fan power wire.

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