The radiator fan (or fans) pulls cooling air through the car’s radiator. Positioned between the radiator and engine, cooling fans are particularly helpful when the car is stationary or moving at speeds too slow to force air through the grille.
How does an electric fan work on a car?
The engine cooling fan is designed to move air through the radiator when the vehicle is at slower speeds or stopped. This air flow removes heat from the coolant created by the engine using the radiator as a conductor. An engine cooling fan is temperature controlled to only run when needed.
Does an electric fan increase horsepower?
The mechanical to electrical conversion in the alternator to drive the electric fan is not 100% efficient, so the engine will have to make slightly more power to provide the electric fan the same horsepower.
What is the best electric fan for a car?
If you are looking for the best all-around liquid cooling radiator fan without fussy installation, then Flex-a-lite radiator fans are the answer. As the inventors of the electric fan for cars, they are still the authority for quality fans.
What are the two fans in my car?
The cooling fan in the engine compartment should turn on to pull air through the radiator and A/C condenser. On many vehicles, there may be two fans: a main cooling fan for the radiator, and a second fan for the condenser. … The engine may also run hot and overheat, too.
Should radiator fan turn on when AC is on?
Both radiator fans should always run when the AC compressor is engaged. … To check the temperature at which the fan comes on, turn the A/C off and keep the engine running until it reaches normal operating temperature. Most fans should come on when the coolant reaches about 200 to 230 degrees.
What temp should my electric fan turn on?
Your radiator fan should kick in at about 200 degrees Fahrenheit. If you notice your vehicle is overheating or at the very least running hotter than it normally does, listen for the fan to see if you can hear it.
Is an electric fan better than a clutch fan?
The clutch fan draws power from the engine due to the added load…. The electric fan saves power due to no load on the engine…. Clutch fans are better because they only apply a load at idle or low speed and don’t require wiring… Electric fans save power but add weight and require a lot of wiring…
Are electric fans worth it?
Although they will place an additional draw on the electrical system, they are a more efficient alternative to mechanical fans and don’t cause the dreaded parasitic horsepower loss. Here are a few other advantages of electric fans: Consistent cooling—they maintain their airflow at all times. Reduced water pump wear.
What is better clutch fan or electric fan?
When compared to an electric fan, fan clutches are quite inefficient. … The benefits of a Thermatic Fan lay in its ability to provide constant air flow, improved fuel economy, better air-conditioning performance, cooler engine running and increased engine power.
Should electric fans push or pull?
Electrical fans can either push air through the radiator or pull air through it. A pusher fan sits in front of the radiator. When a vehicle is moving, a pusher fan can obstruct airflow due to its positioning in front of the radiator. … Always choose a puller fan but if space is an issue then use a pusher fan.
Will a bad radiator fan cause AC not to work?
If the engine is running hot or overheating, it can have a noticeable negative affect on the air conditioning system. Some cars have two electric cooling fans, one for the air conditioning condenser and the other for the radiator. … Usually at idle on a hot day with the AC on both fans will be on.
How much does it cost to replace radiator fan?
The Best in Auto Repair
The average cost for radiator fan motor replacement is between $591 and $624. Labor costs are estimated between $111 and $140 while parts are priced between $480 and $484. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.
How often should a car fan come on?
To check the temperature at which the fan comes on, turn the A/C off and keep the engine running until it reaches normal operating temperature. Most fans should come on when the coolant reaches about 200 to 230 degrees. Click to see full answer.21 мая 2020 г.
Should engine fan run all time?
An electric fan SHOULD NOT run all the time. A mechanical fan WILL spin as long as the engine is running, but it will only ‘lock up’ when needed. … It’s normal for some vehicles to have a fan run for a few minutes after the car is shut off, generally to keep the engine cool.
Why is my radiator fan not coming on?
Defective temperature switch, coolant sensor or other sensor. Engine thermostat is stuck OPEN (engine never gets hot enough to turn on the fan) Faulty fan relay. A wiring problem (blown fuse, loose or corroded connector, shorts, opens, etc.)