Motorcycle Parts

When you drive, your car’s engine produces a considerable quantity of heat. For newer cars that use aluminum radiators, it is recommended to use an epoxy gun to seal the leaking locations. For this explanation, the radiator is often installed just in front of your Ford’s grille, allowing it to make use of the air that passes by way of the vehicle’s grille insert. To maximize the air flow, I wanted the new fan mounted as close to flush as achievable. Pull the radiator out of the automobile and unhook the fan assembly and attach it to the new radiator. The super silent Antec fan seems to cool the mineral oil fairly effectively. Third, the thermostat automatically adjusts the quantity of water entering in to the radiator according to the temperature of the cooling water, so as to ensure that the engine performs within a suitable temperature variety, which can play a function in saving energy consumption. Right after undertaking so, set your cooling fan down upright, generating sure to shield the clutch. Regardless of the explanation why an engine overheats, frequent overheating episodes are a lead to for concern. Pusher-style fans mount on the front of the radiator and blow air via the radiator core. The 1st radiators had been a simple network of round brass or copper tubes with water flowing by way of them. The common electrical cooling fan circuit involves a temperature sensor, a relay, a management module and also the fan motor. Failures of the cooling systems have been, by far, the top lead to of engine failures. The exhaust fan sucks in the air and pulls it outwards, while at the exact same time bringing in fresh air from the outdoors. Low FPI-rads as nicely as high-pressure fans need to be preffered for such setups. Turbo charged or supercharged engines may possibly have an intercooler , which is an air-to-air or air-to-water radiator employed to cool the incoming air charge—not to cool the engine. In case some automobiles have two electric fans, a single for the air conditioner condenser and the other for the radiator. Given that the oil filled radiator heats liquid rather than heating components the air isn’t dried out. Probably the most crucial amongst them is airflow or how a lot air you happen to be going to push or pull through your radiator measured by CFM (Cubic Feet per Minute). At around 100 degrees Celsius the onboard computer will turn the radiator fan on to further support to cool down the coolant. The fans require to develop more pressure to move the same quantity of air via two radiators than one. Most modern cars use radiators made of thin aluminum tubes. Little and strong, multiple electric fans can be mounted either in front of the grill to push air or behind the radiator to pull in air. As the coolant program pressure increases with a rise in temperature, it will reach the point exactly where the pressure relief valve allows excess stress to escape. Made to transfer heat from the mixture of water and the coolant coming from the engine, the radiator is a type of heat exchanger. It helps in cooling the engine and sustaining minimum operating temperature of the engine. There are some inspections and tests that you can do oneself or you can take help of a mechanic to sustain your vehicle’s cooling method. Belts: A loose belt may prevent the pump from circulating the liquid quick sufficient and the fan from operating rapidly for appropriate cooling. As such, you must in no way drive your car if the cooling fan isn’t operating even although you can. Standard cleaning of the radiator will avoid overheating and avoid any significant accidents. Employing an electrical fan supplies some definite positive aspects more than your typical belt-driven engine fan so if you are thinking about fitting one particular to your vehicle then right here are handful of pointers to assist you select the correct fan for your application. That I can not answer for specific, to the very best of my knowledge the primary benefit will come round pomoting airflow about the radiator, so whicher moves the most air for the least quantity of money is the solution I would personally pick. There are a lot of firms that provide you with different sorts of radiator cooling fans. On modern automobiles, further regulation of cooling price is offered by either variable speed or cycling radiator fans. Now take a appear at the cooling fan. Take for instance the hose, this could seem to be just an ordinary component but once broken, the coolant can escape and so it really is no longer possible for the method to cool the engine. In terms of pricing, the Radfan small is £40 and 51cm lengthy with an airflow capacity of 25 cubic feet per minute (CFM).

Utilizing ceiling fans is a single way to save on electrical energy bill. The radiator is mounted at the front of your car behind the grille where it is exposed to airflow when your vehicle is at speed. The next fan accessory that you should appear to get for your residence workplace is the green power cord for your fan, which will assist it operate far more efficiently and make wonderful savings on your energy bills over time. Your cooling method is constructed so that a mixture of ethylene glycol antifreeze liquid and water flows into the passages cast into your engine block, exactly where it absorbs heat. Radiator fans operate in two various techniques depending on the year, make, and model of your automobile. The radiator is that element of your Ford’s engine cooling technique whose main function is to dissipate the heat that the coolant has absorbed to the outside atmosphere. The ice that forms within radiators at the lack of antifreeze can restrict the fluid’s flow to the engine, causing the engine to overheat and potentially stall. If you refill the coolant and your car is still overheating, it could be an electric cooling fan failure. Air conditioners have very higher wattage compared to misting fans, like Windchill, that can be utilized indoors. The Bosch auxiliary cooling fan is utilized by the engine to cool the radiator. Ceiling fans could have lost their appeal with the arrival of air-conditioning units a few decades ago. Water Pumps: The incorrect pump or even a minor wobble in the proper one particular could result in the engine to overheat. Nonetheless, when your automobile is moving gradually or stopped, there is little or no ram air through the grille, so the required airflow is supplied by a cooling fan. provides simple and doable steps of cooling a vehicle’s engine. Beneath is a graph of what a 27mm Denso core (what we use in our radiator) would normally flow vs. a given static pressure, and a far more standard employed 56mm core. The cooling technique fan should switch on automatically soon after the motor has reached a temperature of 92 °C. The second functioning phase starts soon after the mark of 99-104 °C. If the technique does not turn on with the operating fan, the sensor requirements to be replaced. It’s a balance, and to accomplish the ideal balance for your cooling technique, your electric fan have to operate successfully with your radiator, in addition to achieving appropriate water pump speed and coolant flow for your engine. The other interesting issue is a slight bump in air flow by means of the radiator, it is not huge, but I am seeing slightly enhanced CFM levels. To make confident the cooling program is operating appropriately, conduct an engine cooling fan test. It seems to draw not 15 amps, but closer to ten, and the car’s original 35-amp alternator appears to preserve up with it. Regrettably, it is February, and even if I drove the car, I certainly wouldn’t be able to tell if I’ve enhanced the hot-climate cooling technique performance. If the cooling fan stops operating, the coolant will stay hot and this causes the engine to overheat. Despite the fact that its name would imply that it radiates heat, the radiator truly dissipates the coolant’s heat not by radiation but by convection. First of all, loosen the plug on the bottom of the radiator and drain the engine coolant into a resealable container. Radiator fans move the air assisting with engine cooling, to make certain your engine runs at the correct temperature. Step 3: Take away the engine cooling fan and radiator shroud. Thermal fan clutches have a temperature-sensitive bimetal coil spring about the front that reacts to temperature alterations. I was wondering what the delta would be in a push pull setup on a 240mm radiator employing 4x 120 SP vs 2x 120 SP push fans and 2x 140 mm A pull fans. A thermostat that is stuck in the closed position will outcome in poor circulation of coolant and this leads to overheating of the engine. BMW repair Behr Thermostat 88 deg C (factory is 92 deg C, I just want anything a bit cooler). These multiple folds boost the internal surface region of the radiator and therefore improve the cooling. The auxiliary fan assembly brings cool air by way of the radiator to maximize the reduction of heat. Our electric fans are used in many applications, from race automobiles to kit vehicles, from 4×4 offroad cars to motorcycles, we have an electric fan to suit almost any application. A basic guideline to adhere to for cooling a stock engine is 2,500 cfm for an eight-cylinder, 2,000 cfm for a 6-cylinder, and 1,250 cfm for a 4-cylinder. 1st and foremost, operating as a straightforward air pump, the overall performance in terms of flow rate will be most most likely larger.

fan motor assembly price 

If you want your car to carry out at its ideal, you have to take wonderful care of its engine and an successful radiator can contribute immensely in this regard. Here the water goes to the front rad 1st, so the airflow goes from the warmer to the cooler radiator. People quizzed me on what I’d accomplished with the engine and cooling system. Mechanical belt-driven fans or fan clutches rely on the mechanical drive from the engine to operate. A water pump – usually a belt driven device, running straight off your engine itself, circulates this hot coolant liquid mixture, through the engine and then out via a common auto coolant hose into the radiator of your vehicle. To attain maximum static stress in all applications, the wind blocker frame is made to perform with the Concentrated Compression Blade’s (CCB) pressure mechanism by directing airflow towards the middle section of the blade, thereby generating a compression effect and blocking any pressure from escaping. Very first, poor engine cooling: Poor engine cooling can result in the water temperature in the tank to be as well higher. Also the coolant must be of higher good quality, since if there are any impurities in the engine’s radiator or the cooling system is broken, its cooling properties will go down. When the engine is cold, the thermostat is closed except for a small bypass flow so that the thermostat experiences modifications to the coolant temperature as the engine warms up. Engine coolant is directed by the thermostat to the inlet of the circulating pump and is returned directly to the engine, bypassing the radiator. As the coolant passes via the radiator, the heat is absorbed by the aluminum physique and dissipated into the cool air blowing surrounding it. Quite usually, an electric fan blows cold air into the radiator to expedite the cooling process. GM Original Gear Engine Cooling Fan Blade by ACDelco®. Vehicles should not be driven around if their radiators are either broken down or leaking also a lot coolant fluid. Where an extra cooling fan is driven by the engine, this also tracks engine speed similarly. As for cooling, martin would know greater but from my expertise with building ventilation, soon after a specific point, the air resistance and turbulence brings a point of diminishing returns. Step 12: Mix the engine coolant with distilled water in the right proportions for your automobile and pour it into the proper location. If you have an electric cooling fan we have fan blades, motors, switches, relays, and total assemblies. Once the air coming through the radiator is hot, the spring expands and opens an inner valve that decreases clutch slippage. Occasionally it feels as if the radiator fan is not working even even though it is. This is attainable when the quantity of coolant in your method is low. Most automobiles activate the cooling fan at medium or higher speeds when the air conditioning is turned on. The radiator switch is a switch that tells the cooling fan to come on when the coolant reaches a specific temperature. The eggs turn out to be cooked due to the heated water contained inside the radiator. The radiator does not handle the heat levels in your engine all alone the heat exchange procedure is coupled with the utilization of a properly-recognized, heat-absorbing liquid known as coolant. The cooling fan wire will have two wires good and damaging, and need to be putting out 12 volts dc. If there is no voltage verify the wires and the fan relay. The auxiliary fan assembly is found directly in front of the radiator and forces cooler outside air previous the radiator fins. You can use these fans as major or auxiliary coolant sources as they can match a tiny bit much more simply into your engine bay based on the offered space. The car’s engine can quickly overheat if there is any problem with the car’s cooling system and this peril is particularly greater in really slow moving visitors or during hot, summer time days. Using the correct radiator fluid: The range of coolants found at an auto supply shop might confuse the average person. Positioning the fan and its electric motor in front of the radiator should also have aerodynamic benefits as well. The radiator fan has an critical job in the engine compartment. Initial, loosen the plug on the bottom of the radiator and drain the engine coolant into a resealable container. Thermostat closes when the engine is cold and allows it to warm up and opens up to pass the coolant when minimum operating temperature is reached. We can offer you a tow and get your automobile into the shop with out overheating it for the repairs.

Due to the faster heat output, your thermostat can be switched off earlier and the temperature of your boiler lowered. The thermostat is consequently continually moving all through its range, responding to alterations in car operating load, speed and external temperature, to keep the engine at its optimum operating temperature. Waste heat from your engine is conducted through your engine “block” to the coolant fluid. Numerous aspects could account for a car radiators inoperability. A slipping fan clutch is generally overlooked as the lead to of an engine overheating problem. That is, voltage is sent to the fan anytime the automobile is operating, but it is only when the coolant temperature rises above a particular level that the internal make contact with inside the temperature sensor closes and connects the path to ground. These heater generally have an adjustable thermostat that you have the ability to control and set to the preferred temperature. These fan systems utilised to be driven almost exclusively directly off one more belt on your engine, now a lot of are electrically driven, thermostatically controlled units. If it is stuck in the closed position it will not let the coolant flow into your engine. Disconnect the electric fan and on pre 1991 models the radiator temperature switch. Radiators that function on convection can sometimes be the trigger of black marks seen on walls above radiators these are caused by the residue of dust becoming drawn up into the radiator and burnt onto the open element. Thermostatic fan Switch that has a temperature range of 86-76 degrees C. Custom designed for high-static pressure requirements of demanding applications such as radiators, the Concentrated Compression Blade (CCB) is engineered to focus the inner weaker circle of air outwards, permitting the outer section to pressurize and compress the air. Usually the radiator fan is placed in amongst the engine and the radiator so that the heat gets the least traveled path. Even with these engineering precautions, fans grow to be broken or broken when they’re exposed to excessive heat. The timely replacement of the air filter and radiator grille state also impact the fan operation. The radiator is installed into the radiator cabinet with only the bottom three fans push situation. As a complete, the function of the pressure cap is to make certain that the cooling system does not blow up. From drop-in replacement radiator motors to universal combo coolers, Blue Streak Efficiency will be a name recognized for yet another 80 years. The goal of the radiator in your Honda Accord is to maintain the engine from overheating. Just following quite a few several years of service, the clutch might possibly slip so badly the fan can’t hold up together with the cooling demands on the engine plus the engine overheats. Your auxiliary fan assembly enhances air circulation through the radiator so that the engine coolant is effectively cooled. Step 7: Very carefully insert the replacement radiator into place, producing positive to be cautious of the cooling fans and hose necks. This increases the quantity of clutch slippage, allowing the fan to slow down and minimize cooling. As as we described earlier, a big mileage fan clutch might be slipping excessively expanding the possibility of overheating. Thermostat: Severe heating issues can damage a good thermostat. An additional effect that is specifically critical in aircraft cooling is that the distinct heat capacity adjustments with pressure, and this pressure adjustments a lot more rapidly with altitude than the drop in temperature. The final accessory that you must invest in for the cooling fans in your property workplace is anti vibration mounts, as these can significantly cut the noise from this device. A radiator primarily contains antifreeze or coolant that is circulated via the engine to hold it cool. So in summary, a radiator is just a vessel developed to release power in the type of heat and the amount of heat that a radiator releases will depend on the amount of power put into it this is particularly true of electric radiators, where they will execute at about 100% efficiency. Simply drag the slider bar to adjust your fan speed RPM on a dedicated control software program is also integrated a number of preset fan modes that let you to set the fans to‘Silent Mode’where the RPM performs between a 500-1500 RPM range,or‘Performance Mode’which operates and dynamically adjusts all the way up to 1500 RPM.Besides running at the optimal RPM range,you can customize the speed by disabling PWM.

Since fan operation is normally not necessary when the car is operating at a speed of 25 mph or higher, the fan blade is attached to a clutch that disengages the fan to lessen noise and save fuel. An overflow tank that runs dry may outcome in the coolant vaporizing, which can result in localized or general overheating of the engine. The filter is mounted within a hot spot and tends to fail, protecting against the cooling fan from operating. An electric fan operates independently, controlled by a switch at the engine thermostat. A convection heater has coils that will heat up and a fan that will blow the air into the space you want to heat. Surface radiators have also been employed by a couple of higher-speed racing vehicles, such as Malcolm Campbell ‘s Blue Bird of 1928. It is crucial that the thermostat opens and closes to regulate the engine coolant temperature. Check to see that you have engine coolant and that it is the color it ought to be (whatever color it is when it really is new). Motorists who need to have to replace radiators in North Hollywood automobiles generally visit radiator shops about town, hoping to discover the replacement portion they require in stock. Alternatively, if you perform full time and do not need heating for the duration of the day, storage heaters may possibly not be the best choice as heat will be emitted even when you are not there, resulting in unnecessary power wastage. The toughness of aluminum also makes it a reputable material for use in auto radiators. All automobiles for many years have utilized centrifugal pumps to circulate the engine coolant due to the fact all-natural circulation has quite low flow rates. We have radiator fans suitable for common passenger autos such as aftermarket, upgrade, and direct original gear replacement models. There are several causes of overheating, such as insufficient coolant, cooling fan cooling the coolant has failed, thermostat failure, and coolant temperature sensor failure. Electrical energy was employed to empower the fan motors and due to the scientific design and style of fan blades we get the breeze a man produced phenomenon equivalent to wind creation. These actions center on 1 certain component—the radiator, which is the element that cools a car’s engine to prevent overheating and seizure. The thick population density has no mercy for automobiles overheating in the middle of the road due to a malfunctioning radiator. Lowering drag is a major aim in aircraft design, which includes the design of cooling systems. All these auto parts have special roles to carry out thus the absence of one could considerably impact the complete cooling method and of course, the engine’s performance. But the catalyst would be the radiator fan, for without it the radiator will not perform as it is design and style to do. Then, a malfunctioning cooling system will trigger a chain reaction of damage to the engine triggered by overheating. Most mechanical fans mount on the water pump shaft and are driven off of the crankshaft with the exact same belt and pulleys that turn the water pump. The fans are all permanently fixed to the acrylic template beneath with a foam gasket so the fans are installed, run, and logged exactly the exact same on every radiator. At that point the radiator fan speeds are enhanced to 1400RPM and heat load to 200W and the test is repeated. For mechanical fan vehicles we have fan blades, thermal and non-thermal fan clutches, and electronic fan clutches for serious duty applications. Putting the fan along with its electrical motor in front of the radiator guarantees that the motor remains as cool as possible. But the one particular responsible for conveying the air to the radiator to cool down is the Mercedes fan blade. City site visitors and idling are rough on your engine without having a operating radiator fan. As it was mentioned ahead of, there are mechanical and electric cooling fans. Low profile fans pull dramatically less airflow by way of the radiator cores than a higher-performance fan. The first thing you ought to do is to verify all the elements of the cooling system. When the engine rpm has lowered enough, the sensor picks up the signal and engages the clutch, which locks with the fan. When longer the water tank is utilised, the a lot more internal scale will create up, resulting in poor heat dissipation in the radiator. Provided the radiator’s significance in maintaining engine temperature, a faulty one should be replaced with out delay. The radiator fan cools the engine even though the condenser fan increases air-conditioning.

This might sound like a key benefit, but any time you repair a radiator, you lessen its potential to cool. We can supply a wide variety of top quality SPAL axial cooling fans , centrifugal blowers and connected accessories at competitive costs all available with worldwide delivery. Electric radiator fans are accessible in each pusher and puller designs. Get in touch with Kirk’s Auto Care in Livonia, MI, at 734-402-8722 to talk about your radiator fan issues. Even so, when I drove the vehicle to the Lotus Owner’s Gathering (LOG) in August, despite my having installed a switch to straight turn on the fan and not rely on the temperature sensor, the automobile overheated in dramatic fashion while I was waiting in the queue to get into the concour, held at Thompson Motor Speedway in Connecticut. Heat transfer from the radiator to the condenser can alter efficiency, if the automobile is overheating. To enhance air flow via the radiator – in an impact to get far more cooling energy out of your rad technique a fan draws air through the fins or tubes on the radiator itself. To do this preserve the radiator cap open, begin the vehicle, and place the heat on max. A radiator fan is thus employed to hold the temperature of the coolant in check. Radiators in North Hollywood automobiles nevertheless face a danger of experiencing meltdown, even regardless of the relatively reduce temperatures of fall and winter. These radiators had been not as strong as contemporary radiators, nor did they cool as nicely as contemporary radiators. The GTs just have a specific fan blade that seems to bury almost all air type noises into the radiator which is very good, but it also tends to have a tiny bit of bearing whine and the motor noise is present maybe a bit far more than other fans. This report aims to give clear data and information to aid you decide on the electric heating item that ideal matches your distinctive way of life and heating requirements. Even so, frequent overheating episodes are indicators that there is some thing incorrect with your cooling program. We checked to be specific the front-mounted radiator fan was spinning the proper way. The radiator transfers the heat from the fluid inside to the air outdoors, thereby cooling the fluid, which in turn cools the engine. Auxiliary fan assemblies boost the circulation of cool air into the car’s cooling method, especially at instances when the auto is stopped. This way, the second rad acted as an Airbreak” in front of the fans and I could see how a lot of an impact this would have on temperatures. As the heated coolant moves from the engine block to the radiator, it gets cooled simply because of the aluminum physique of the radiator that dissipates the heat. Just before coolant was utilised, water was poured into radiators. Radiators very first employed downward vertical flow, driven solely by a thermosyphon effect. It must open and enable coolant to pass when the engine is adequately heated. 12. Bleed the cooling technique to make sure that all air pockets are removed. There are also mesh styles of fan guard for your electronics or cabinet cooling fan, which can be valuable as well depending on your specific needs. RadFan works a tiny differently since it blows the warm hair horizontally into the area, with the aim to stay away from it cooling as the air passes over the cold window. The engine delivers power to run the automobile but it is the radiator that maintains the wellness of the engine. I cannot comment on actual efficiency efficiency, it would take months of testing, but as far as heating overall performance goes, there is certainly an improvement. Less typically, energy steering fluid, brake fluid, and other hydraulic fluids might be cooled by an auxiliary radiator on a car. The radiator has tubes that include large quantity of water and has fin area to let outside air to pass by way of. Automotive radiators have been instrumental in maintaining the heat created below handle. Routine checks can support in keeping the vehicle’s cooling system. The location of the radiator is of intense importance enabling it to carry out its principal function i.e. cooling the engine. Radiator caps for pressurized automotive cooling systems. Product Note: Cooling Fan Assembly with Shroud – Contains manage module. Firstly as a belt driven fan is only going to spin as quickly as your engine low end rpm cooling abilities so is not really as very good as it would be with an electric fan where the airflow is more constant. When the engine is switched off, the cooling technique cools and liquid level drops.

Right coolant levels: Making sure that the coolant is often topped up will support the radiator run smoothly. Aside from your radiator spewing coolant all over the place, the other common concern of an overheated engine is your head gasket. Now, I do a lot of function rejuvenating air conditioning systems in vintage cars, and as element of that, it is typical to replace the condenser and its fan with the most significant ones that’ll fit. This tends to make it very considerably crucial that you select a cooling fan that ideal suits the specifications of your automobile. Improvement in higher-overall performance aircraft engines essential enhanced coolants with larger boiling points, top to the adoption of glycol or water-glycol mixtures. The radiator fan cools the engine even though the condenser fan increases air-conditioning whilst the automobile is at low speed. The coolant, which is a mixture of anti-freeze and water, is the a single that absorbs the heat from the engine. If the engine is overheated, verify that the thermostat is operating properly. In contrast to common electrical heaters, oil radiator heaters do not have such a high danger of causing electrical damage. If you have a front wheel drive auto, it probably has an electrical fan. Ahead of condemning the fan for a cooling method associated problem, verify the shroud for cracks and missing pieces that could reduce airflow by means of the radiator. When the temperature has reached a particular level – hot enough to cause damage to electronics – the cooling fan will grow to be activated and will operate to bring the temperature down. Very a few professionals say it’s a excellent notion to replace the fan clutch on the quite identical time because the water pump in case the water pump has failed. The coolant absorbs the heat kind the engine, while the radiator dissipates heat. five. Take away the fans from the radiator. Fans- Titan Kukri H PWM fans – I picked these fans simply because they had a good RPM range and I thought would better represent 25mm fan efficiency over employing 38mm fans. Even so, pressurized systems have been also more complicated, and far far more susceptible to harm – as the cooling fluid was under stress, even minor harm in the cooling technique like a single rifle-calibre bullet hole, would cause the liquid to swiftly spray out of the hole. The Crystalfontz is then employed to monitor fan RPMs and adjusted to a good stable level and all 17 of the thermal sensors are also turned on to commence recording air in, air out, water in, water out more than those 17 sensors and the fan RPM. The auxiliary fan assembly increases air flow around the radiator so that the engine coolant is properly cooled. For a water cooled method, this means that the maximum amount of heat transfer is limited by the specific heat capacity of water and the difference in temperature in between ambient and 100°C. As soon as at optimum temperature, the thermostat controls the flow of engine coolant to the radiator so that the engine continues to operate at optimum temperature. Choosing an electric radiator fan is a matter of matching the proper-sized cooling fan and radiator combo for your engine. Maintain advisable levels of coolant in the radiator and service the engine on periodic basis to bless this pair and in turn you will get a blessed vehicle. On demand heaters are usually used with normal, non-Economy electrical energy tariffs, which do not use cheaper night-time prices. The ECU signals the radiator fan to function at the precise time. If you have paid attention to the physics classes in high school, you may remember that a radiator is a heat exchanger and its goal is to transfer the heat from one element of the system (in our case the engine) to one more part (the radiator fins). Electric cooling fans may not operate because of a malfunctioning switch, poor fan relay, defective fan motor, or faulty control module. The centrifugal clutch has to depend upon the speed of the engine to engage or disengage it. As the engine speeds up, the clutch enables the fan to partially slip, giving back that engine the energy it would have utilized if permanently attached. Below peak load circumstances, such as driving slowly up a steep hill while heavily laden on a hot day, the thermostat will be approaching completely open since the engine will be producing near to maximum energy although the velocity of air flow across the radiator is low. This tiny radiator, and the linked blower fan, is called the heater core , and serves to warm the cabin interior.

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