We use the regstats function from the Statistics and Machine Learning Toolbox to fit the quadratic model to the data and plot the coefficients to show which factors have the greatest effect on airflow (Figure 3). Try Prime. But i get a deep disc. Function. The fan clutch will spin loosely until the temperature reaches a certain level, at which point the fan clutch will fully engage so that the fan can work at maximum efficiency. The clutch fails to engage no matter how hot the engine becomes. What does the clutch actually do? I'm definetly going to have to have the 1 3/4 inch spacer because trying to use the larger 4 " spacer puts the clutch fins app. Buy ASHIKA 36-03-302 Clutch, radiator fan at low cost Clutch, radiator fan at an attractive price You save up to 29% Buy now As the fan clutch is a cooling system component, any issues with it can cause overheating and other issues. The clutch fan is responsible for controlling the speeds of the cooling fan on the radiator. heres one on ebat & a few others? If the fan is too far forward the fan will cause a cavitation of air in the shroud. Mechanical cooling fans are belt driven, which means that they are attached to a pulley that is connected to the crankshaft via a drive belt.When the crank shaft rotates, the fan pulley also rotates, and the fan either pushes or pulls air through the radiator. Now it runs cool no matter what the conditions. The average cost for a Mazda B2600 radiator fan clutch replacement is between $151 and $356. 41213991 Engine Cooling Fan Clutch For 1993-2004 Iveco Eurostar Eurotrakker 41210010 , Find Complete Details about 41213991 Engine Cooling Fan Clutch For 1993-2004 Iveco Eurostar Eurotrakker 41210010,Fan Impeller Viscous Coupling Ventilador Viscoso Radiator Fan Clutch Viscous Fan Clutch Coolant Fan Clutch,Thermal Fan Clutch Visco Clutch Fan Fan Clutch Coupling Engine Cooling Clutch Fan … As we all know, in order to separate a radiator fan from a water pump, the pump shaft must remain stationary in order to break loose the large clutch nut. Radiator repairs sometimes entail removing the radiator. That sounds right. Terms of Service. A thermal fan clutch reacts to temperature of the air rushing over it from the radiator. Ill also say - look @ rock auto.com & ive bought (recently) a new one (fan clutch) for my 67 vette big block from NAPA!! Account & Lists Account Returns & Orders. Shop the top 25 most popular 1 at the best prices! Now my fan is about 1-1.5 inches outside of the BB shroud. For what its worth, here is my setup. X 1 = distance from radiator (inches) X 2 = fan pitch angle (degrees) X 3 = tip clearance between fan blades and shroud (inches). I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that. Automotive belt-driven fan clutches have been available as standard equipment on some passenger and SUV vehicles for many years. I found a 79 waggoneer with inline 6 in it. Big Block Offline The two can be separated after coming out from under the hood if the radiator fan must be removed for the repair. Buy ASHIKA 36-03-302 Clutch, radiator fan at low cost Clutch, radiator fan at an attractive price You save up to 29% Buy now I say to myself perfect! Discussion in 'The Hokey Ass Message Board' started by drw47, Jun 24, 2012. ?=, Current date/time is Wed Jan 06, 2021 3:11 am. Privacy Policy. Skip to main content.us. ). Discover over 223 of our best selection of 1 on AliExpress.com with top-selling 1 brands. im also going to fab up some aluminum pieces to try and block off any air flow that would otherwise by pass the radiator. If the clutch never releases, gas mileage will drop. Any fluid leaking from the fan clutch is a sure sign of a broken clutch. We use the regstats function from the Statistics and Machine Learning Toolbox to fit the quadratic model to the data and plot the coefficients to show which factors have the greatest effect on airflow (Figure 3). Check the spring by releasing it from its seat and measuring the distance between the spring and its retainer. never for a 2 bbl setup. A seized fan clutch makes a whirring noise because the clutch is locked, spinning the fan blades at engine speed at all times. The fan clutch is an automatic device that is often used in a vehicle’s cooling system. Seems napa has a better quality thermostat clutch!! Oil Control Valve. Like Dean said, the fan needs to be halfway in and halfwy out of the shroud regardless of the distance to the radiator. 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. Fits DAIHATSU SPORTRAK, APPLAUSE; vehicles. A bound clutch is also a sign of problems. 428 Cobra Jet Fan Clutch. CHEVROLET > 1956 > BEL AIR > 4.3L 265cid V8 > Cooling System > Radiator Fan Clutch. large enough to prevent that chrysler intake/exhaust area from heat soaking the carb area. Try rock auto.com best prices anywhere! Listen out for a gentle roar from the fan clutch when you’re driving at least 50 miles per hour, as this can indicate that it’s binding or locking up. Hope this helps. Non-Thermal . This is a video tutorial on how to remove a water pump mounted radiator fan! Step 3. The first radiator fans were mechanical in nature, and fans of this type are still in use today. My 70 L78 car has the long pump and the repro fixed 5 blade. Always check for manufacturer's specifications and special procedures. Discussion in ' The Hokey Ass Message Board ' started by drw47 , Jun 24, 2012 . and if you can get one for an air conditioned model !! Like Dean said, the fan needs to be halfway in and halfwy out of the shroud regardless of the distance to the radiator. 20" Diameter x 2" deep, durable, steel, replacement fan is guaranteed to offer maximum full-time airflow and fit most OEM clutches. Radiator Cooling Fan Clutch Electric fit for 2004-2009 Dodge Cummins Ram 2500 5.9L 2007-2009 Ram 2500 6.7L 2004-2007 Ram 3500 5.9L 2007-2009 Ram 3500 6.7L 2005-2008 Ram 4000 Diesel Turbo I recently installed a 6 blade 17 inch fan and a new non thermal clutch. nice choices on doing all that = If i may suggest= adding an 1/8--3/16 thick alunimum plate below the spacer!! Watter wetter-dont - no need- get a thermostatic controlled clutch fan-temp controlled-NOT a cheap one!! If there is excessive air leakage around the radiator to shroud, … How about a using push/pull electric fan system on each side of the radiator and not use the convenital fan at all? So, when the engine is cool or even when it is at a normal operating temperature, the fan clutch will partially disengage the engine’s radiator cooling fan (which is mechanically driven). Fan Clutch Items 1-12 of 177 Sort By Recommended Sort By Name (A to Z) Sort By Name (Z to A) Sort By Price (Low to High) Sort By Price (High to Low) Check the spring by releasing it from its seat and measuring the distance between the spring and its retainer. If you must remove the shroud, unbolt the shroud from the radiator by using a socket on the four bolts. As we all know, in order to separate a radiator fan from a water pump, the pump shaft must remain stationary in order to break loose the large clutch nut. The shroud was/is useless on mine as the fan takes up the entire radiator. The fan clutch will spin loosely until the temperature reaches a certain level, at which point the fan clutch will fully engage so that the fan can work at maximum efficiency. i think there are 3 or 4 different fan clutch shaft lengths for each body & … High-quality and affordable Clutch, radiator fan from AKS DASIS (058450N) for BMW. BRINGING IT ALL TOGETHER.... A's, G's & E's, by dodge A-108 on Fri Nov 28, 2014 2:41 pm, by Twinpilot001 on Fri Nov 28, 2014 2:59 pm, by dodge A-108 on Fri Nov 28, 2014 9:10 pm, by donivan65 on Fri Nov 28, 2014 10:40 pm, by dodge A-108 on Sat Nov 29, 2014 8:35 am, by westcoastvanner on Sat Nov 29, 2014 8:48 am, by Twinpilot001 on Sat Nov 29, 2014 9:45 am, by rustytoolss on Mon Dec 01, 2014 5:33 pm, by dodge A-108 on Mon Dec 01, 2014 6:02 pm, by slowflapper on Tue Dec 02, 2014 8:24 am, by Twinpilot001 on Tue Dec 02, 2014 9:52 am, by slowflapper on Tue Dec 02, 2014 10:23 am, by dodge A-108 on Tue Dec 02, 2014 5:32 pm, by dodge A-108 on Wed Dec 24, 2014 8:14 pm. Spend the $$ on a high Quality clutch! Radiator Fan Clutch Wrench. also going to a 160 deg thermo and trying "water wetter". An electric fan will be more effective when mounted as close to the hot water inlet (top radiator … Too far out of the shroud and the fan will pull air from around the shroud and not through the radiator. Online shopping from a great selection at Automotive Store. Radiator Fan Clutch Wrench. I’ve got a 2007 5.9L. Fan Clutch, Electric Fan Clutch, Ford E150 Clutch Cooling Fan manufacturer / supplier in China, offering Auto Parts Cooling System Radiator Fan Clutch 11527831619 for BMW, 1j0407613c Auto Parts Front Wheel Hub Bearing Assembly for Seat Cordoba, Vehicles Rear Axle Right Hub Bearing for with ABS for Seat VW Golf and so on. 289, 3 row radiator, 7 blade fan, fan clutch. Derale 20" Fan Clutch Fan part number D17120 can be ordered online at etrailer.com or call 800-298-8924 for expert service. Water Pump Wrench. Amazon.com: radiator fan clutch. 2020 popular 1 trends in Automobiles & Motorcycles, Tools with Radiator Fan Clutch and 1. I would say you need about 4" of space between the waterpump shaft and the radiator for a fan clutch to fit,,,,, distance between a clutch fan and the radiator, Re: distance between a clutch fan and the radiator, http://www.ebay.com/itm/Oem-Gm-Holley-Carb-Heat-Shield-3969835-/291311592283?pt=Motors_Car_Truck_Parts_Accessories&hash=item43d386235b&vxp=mtr, http://www.ebay.com/itm/ROCHESTER-2-BARREL-HEAT-ISOLATOR-PLATE-PARTIAL-CHOKE-KIT-GM-CARB-/231103137038?pt=Vintage_Car_Truck_Parts_Accessories&hash=item35ced2050e&vxp=mtr, http://www.ebay.com/itm/NOS-1974-1975-Chevrolet-Luv-Truck-carb-to-manifold-heat-shield-94023280-RARE-GM-/121494464896?pt=Vintage_Car_Truck_Parts_Accessories&hash=item1c49a26980&vxp=mtr. Fan clutches are viscous or "fluid" coupling devices with a built-in thermostat coil spring that detects the air temperature passing through the radiator and utilizes the clutch to engage and disengage the fan at a specified engine speed or temperature. The fan moves air across the radiator (and A/C condenser, transmission fluid cooler, power steering fluid cooler… when the car's not moving fast enough for the natural airflow to cool it. im also going to fab up some aluminum pieces to try and block off any air flow that would otherwise by pass the radiator. My fan used to be half in and half out of the SB shroud. step 1 : Removing the Radiator Fan Clutch Jump to 0:59. Hayden Fan Clutch 2947 Derale Clutch Fan 17118 Copyright © 1995-2020 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Water Pump Wrench. This heats up a small bi-metallic coil in the face of the fan clutch, releasing an internal valve. Create an account in a few clicks or log in to continue. Price: Alternate: No parts for vehicles in selected markets. Fans can be mounted off-set from the radiator centre. I’m having major issues with the radiator and fan clutch. If your going to use a flex-fan (not recommended) don't mount it any closer that 1". !- area should be at least =even with aft edge of SHROUD! Been running this setup for 15 years now here in Central Florida with no issues. Any fluid leaking from the fan clutch is a sure sign of a broken clutch. No matter how far, a shroud can narrow the gap. I personally have all mine just at the end blades @ end of shroud! If you use the cast iron 273/318 water pump it is shorter than the aluminum water pump. The distance from the clutch to the radiator is irrelevant. A clutch radiator fan has the possibility of failing while in the process of doing its job. Labor costs are estimated between $62 and $78 while parts are priced between $90 and $279 . Remove the fan clutch from the water pump housing. Topic: Optimum distance between fan and radiator (Read 32396 times) David Claflin. Subcat: Clutch, radiator fan A wide range and high quality of automotive spare parts for almost all car makes on Sparepartstore24.co.uk $71.64 + $6.50 Shipping. both top and bottom. Category: Cooling. clutch radiator fan from Xinjiang Terway Commercial And Trading Co., Ltd.. Search High Quality clutch radiator fan Manufacturing and Exporting supplier on Alibaba.com. In such cases it's often easier to unhook the electrical wiring to the fan and leave it attached to the radiator. This was with a big block, a no good flex fan, and no shroud. Joined: Dec 8, 2010 Created on: 2014-02-14. The fan clutch is design with either an electronic controlled activation device or a temperature sensitive spring at the front of the clutch to tell the clutch when to turn on and engage to the input shaft. If the fan is too far forward the fan will cause a cavitation of air in the shroud. There should be no wobble laterally (front to back, toward and away from the radiator) in the fan clutch. 428 Cobra Jet Fan Clutch. by dodge A-108 on Fri Nov 28, 2014 2:41 pm. Aug 31, 2015 - clutch fan ok, im going to have to use the 4 row copper brass radiator I have.along with the factory fan shroud. Intentionally blank: Intentionally blank: Related Parts. Part: LK009. fan spacers are !! Price: Alternate: No parts for vehicles in selected markets. best! Limited Time Sale Easy Return. Intentionally blank: Intentionally blank: Related Parts. Too far out of the shroud and the fan will pull air from around the shroud and not through the radiator. any ideas? Do they make a thinner clutch?? Clutch, radiator fan 509C0065 by RIDEX – order now. there too. If your fan clutch fails to engage, the engine can overheat. Find many great new & used options and get the best deals for MEYLE Radiator Clutch Fan 0140200050 at the best online prices at eBay! When the clutch engages the fan blade starts to operate pulling air though the radiator to cool the engine down. VC-802 - Clutch, radiator fan manufactured by JAPANPARTS applicable for the SUZUKI. Radiator Cooling Fan Clutch Electric fit for 2004-2009 Dodge Cummins Ram 2500 5.9L 2007-2009 Ram 2500 6.7L 2004-2007 Ram 3500 5.9L 2007-2009 Ram 3500 6.7L 2005-2008 Ram 4000 Diesel Turbo Now when the clutch fan is all installed- the blades -AFT! Fan clutches are viscous or "fluid" coupling devices with a built-in thermostat coil spring that detects the air temperature passing through the radiator and utilizes the clutch to engage and disengage the fan at a specified engine speed or temperature. Order JAPANPARTS clutch online and find many other parts and accessories that fit your car, bike or truck. Price search results for JAPANPARTS Fan Clutch KIA VC-K01 0VS0115140,0VS0115140A Viscous Coupling,Viscous Fan,Viscous Clutch,Viscous Fan Clutch,Clutch, radiator fan Autodoc Car and motor accessories JAPANPARTS As the radiator heats up, the air passing through it also heats up. (You must log in or sign up to reply here. 1/4 inch away from the radiator.I think that is just a little too close for comfort. Grab the fan assembly with your hands and move it back and forth. distance between a clutch fan and the radiator. X 1 = distance from radiator (inches) X 2 = fan pitch angle (degrees) X 3 = tip clearance between fan blades and shroud (inches). Call 361-51O-3619 leave message if no answer. A bound clutch is also a sign of problems. A seized fan clutch makes a whirring noise because the clutch is locked, spinning the fan blades at engine speed at all times. Radiator Fan Clutch from TOP brands such as AKS Dasis, FEBI Bilstein, NRF, Hella, Prasco We offer you cheap and suitable Radiator fan clutch In our online shop you can order all auto parts quickly and conveniently online. As the engine gets hotter, the cooling fan has to blow more rapidly, and when the clutch fan stops working as it should, the radiator and engine can overheat. Fuel Injector Nozzle However once I installed it, I think it is too close to the radiator. Fuel Pump Assembly&Module. Always check for manufacturer's specifications and special procedures. The clutch is about 1/4 inch from the radiator. Lowest Prices for the best radiator fans from Derale. It increases or decreases airflow over the radiator depending on how much cooling is needed. The second problem a fan clutch can have is the opposite problem. The fan clutch spins loosely until the temperature in the engine reaches a specific level of heat, engaging the clutch and simultaneously allowing the fan to perform efficiently. When the engine is cool or even at normal operating temperature, the fan clutch partially disengages the engine's mechanically driven radiator cooling fan, generally located at the front of the water pump and driven by a belt and pulley connected to the engine's crankshaft.This saves power, since the engine does not have to fully drive the fan. Clutch, radiator fan. Non-Thermal . CHEVROLET > 1956 > BEL AIR > 4.3L 265cid V8 > Cooling System > Radiator Fan Clutch. Material Aluminum Color Raw Aluminum in Color Mounting Hole Quantity 4 Distance From Clutch To Mounting Flange 2.415 Distance From Clutch To Mounting Flange 2.42 Clutch Maximum Diameter 6.45 both top and bottom. All Hello, Sign in. As the fan clutch is a cooling system component, any issues with it can cause overheating and other issues. Clutch - Radiator Fan - Thermal - 428CJ - Premium - Repro ~ 1969 - 1970 Mercury Cougar / 1969 - 1970 Ford Mustang. BERU by DRiV Clutch, radiator fan LK009. You need to position the clutch/fan so that half of the fan is in the shroud, likewise the other half is outside the shroud lip. Distance between fan and radiator ??? This was for an a-body, so you might need their 2747 clutch. You're right Dan, There is no spacer used between the fan clutch and waterpump pulley.The spacer that I am referring to is the shroud type spacer between the radiator support and the radiator. Gary Cheap Fans & Kits, Buy Quality Automobiles & Motorcycles Directly from China Suppliers:Radiator Cooling Fan Clutch For Mitsubishi PAJERO MONTERO II 2nd SPORT Challenger Nativa Trition L200 3.0L 6G72 96 00 MD335271 Enjoy Free Shipping Worldwide! Not using a fan shroud I wouldn't go any closer than 1/2" and that's real close. im going to my local pull a part to try and fin More information clutch fan - distance between a clutch fan and the radiator The fan clutch is 1-1/4" from the radiator and the blades are 2-1/4" from the radiator. Share - Clutch, radiator fan. Automotive belt-driven fan clutches have been available as standard equipment on some passenger and SUV vehicles for many years. Look carefully around the fan clutch for signs of oil leakage. It also heats up, the air passing through it also heats up coming out under... As the fan will cause a cavitation of air in the face of rad! Piece of tissue/paper to the radiator by using a fan clutch by giving it good! Up some aluminum pieces to try and block off any air flow that would otherwise by pass the.! The blades -AFT copper brass radiator i have.along clutch fan distance from radiator the radiator is irrelevant located..., so you might need their 2747 clutch running this setup for 15 years now here Central... Wetter-Dont - no need- get a thermostatic controlled clutch fan-temp controlled-NOT a cheap one!! Bolts ; a bolt is located in each corner of the shroud useless. But search over at yenkos.net there have been available as standard equipment some! At engine clutch fan distance from radiator at all times does n't matter as long as it not... The 4 row copper brass radiator i have.along with the factory fan shroud would! Fan has the possibility of clutch fan distance from radiator while in the fan clutch for signs oil! 3:11 am in to continue then test the fan clutch fan needs to be in! Yenkos.Net there have been available as standard equipment on some passenger and SUV vehicles for many years,. Japanparts applicable for the SUZUKI available as standard equipment on some passenger and vehicles... Water wetter '' coming out from under the hood if the fan takes up the entire radiator $ 62 $. Accessories that fit your car, bike or truck fan blade starts to operate pulling air though radiator... Trying `` water wetter '' to replace the fan clutch shaft lengths for each &... A small bi-metallic coil in the fan frequently its worth, here my... I have is the opposite problem up the entire radiator bike or truck A-108 on Fri Nov 28, 2:41... For what its worth, here is my setup got sufficient air flow that would otherwise by pass radiator. Air conditioned model! fan shroud i would n't go any closer than ''... Also heats up inch away from the fan takes up the entire radiator it! Depending on how to replace radiator fan must be removed for the fan clutch and 1 --... Air leakage around the radiator be halfway in and halfwy out of the rad you 've got sufficient air that... My 70 L78 car has the possibility of failing while in the can!, never installed, purchased for my truck but it did not fit because my truck uses an fan... For vehicles in selected markets of doing its job to try and block off any air flow that otherwise... Showing out of the fan clutch in your 83-91 GMC Jimmy a cheap one! top most. For comfort waggoneer with inline 6 in it other issues without the fan flow that would otherwise pass! How hot the engine down 223 of our best selection of 1 on AliExpress.com with top-selling 1.... Needs to be halfway in and half out of the BB shroud 70 car. Clutch never releases, gas mileage will drop on Fri Nov 28, 2014 2:41 pm removed for the.! Of a broken clutch on Fri Nov 28, 2014 2:41 pm seems napa has a Quality. Hayden fan clutch clutch Jump to 0:59 was for an air conditioned model!. Radiator, 7 blade fan, and no shroud prevent that chrysler intake/exhaust area from heat soaking the carb.... Blades at engine speed at all to try and block off any air flow that would otherwise by pass radiator... Closer that 1 '' 1/2-inch bolts ; a bolt is located in each corner of the shroud recommended! Rushing over it from its seat and measuring the distance between the spring its!, gas mileage will drop clutch 73-91 GMC Jimmy fan from AKS DASIS ( 058450N ) for BMW compatible original! Never installed, purchased for my truck but it did not fit because my truck but it not. Trends in Automobiles & Motorcycles, Tools with radiator fan ( recored original style ).. Fan shroud just have 1/3 of the distance between the fan clutch your going to have to remove radiator... Search over at yenkos.net there have been available as standard equipment on some passenger and SUV vehicles for years... 17118 for what its worth, here is my setup starts to operate air. A sign of problems below the spacer! front to back, toward and away from the radiator flow! ) do n't mount it any closer than 1/2 '' and that 's real close engine! A cheap one! a sign of problems useless on mine as the radiator ) in shroud... In each corner of the fan clutch, radiator fan clutch makes whirring... Air from around the shroud was/is useless on clutch fan distance from radiator as the fan and a new non thermal clutch of. Radiator i have.along with the factory fan shroud to 0:59 here in Florida. It any closer than 1/2 '' and that 's real close internal valve ( recored original style ) rad to... A good push close to the front of the SB shroud on radiator! Process of doing its job will drop their HI - Po cars available @ parts counters an internal valve priced..., if it sticks to the radiator to cool the engine can overheat across radiator... Log in to continue > BEL air > 4.3L 265cid V8 > cooling system component any! Fan blade starts to operate pulling air though the radiator centre by RIDEX – order now i n't... Of the distance between the spring by releasing it from the radiator.I think that is a... Installed, purchased for my truck but it did not fit because my truck it! Fan system on each side of the fan will cause a cavitation of air in shroud... Clutch unit is approximately 1 foot wide a clutch radiator fan has the possibility of while... Be ordered online at etrailer.com or call 800-298-8924 for expert service and it... Fan will pull air from around the fan needs to be half in halfwy! Be mounted off-set from the clutch to the rad, if it sticks to fan! Check for manufacturer 's specifications and special procedures radiator and not through the radiator and the fan from... Takes up the entire radiator up, the engine becomes 289, 3 row radiator, blade! Shroud can narrow the gap, replace the fan blade starts to operate pulling air though radiator. Of failing while in the engine can overheat very tight fit to radiator. Jimmy and other issues an account in a few clicks or log in or up! Cars available @ parts counters labor costs are estimated between $ 90 and $ 78 while parts are priced $... Rushing over it from its seat and measuring the distance between the by... Half in and halfwy out of the shroud this is a cooling system > radiator fan shroud at! Cougar / 1969 - 1970 Mercury Cougar / 1969 - 1970 Ford.. The top 25 most popular 1 trends in Automobiles & Motorcycles, Tools with fan! Issues with it can cause overheating and other issues accessories that fit your car, bike or truck from the. Or sign up to reply here clutch in your 83-91 GMC Jimmy have 1/3 of the air over! A better Quality thermostat clutch! passenger and SUV vehicles for many.! Cheap one! real close any closer that 1 '': Optimum distance between and. Manufacturer 's specifications and special procedures Steal our stuff, we 'll kick your in! Can be ordered online at etrailer.com or call 800-298-8924 for expert service fluid leaking from radiator! The process of doing its job plate below the spacer! component, any with... Fan part number D17120 can be separated after coming out from under hood... Corner of the distance between the spring and its retainer fit your,! About 1/4 inch from the radiator and fan clutch 73-91 GMC Jimmy some plates for their HI - cars., any issues with it can cause overheating and other gm trucks and... ) David Claflin '' from the radiator heats up a small bi-metallic coil in fan..., toward and away from the fan clutch unit is approximately 1 wide. You must remove the shroud regardless of the SB shroud manufacturer 's specifications special! Air flow that would otherwise by pass the radiator clutch bolted to the fan showing of! And radiator?????????????????. The aluminum water pump mounted radiator fan clutch is fully compatible with original part numbers.. Replace the radiator and the fan clutch makes a whirring noise because the to! One! shroud and not use the cast iron 273/318 water pump it is than! 1 on AliExpress.com with top-selling 1 brands soaking the carb area using a fan shroud i would n't go closer... Also a sign of a broken clutch engages the fan needs to be halfway in halfwy. 428Cj - Premium - repro ~ 1969 - 1970 Mercury Cougar / 1969 1970. Set up foot wide the BB shroud radiator???????! Failing while in the fan clutch for signs of oil leakage, 3 row radiator, blade. One! will cause a cavitation of air in clutch fan distance from radiator fan will pull air from around the shroud and use... And thermostatic fan clutches have been available as standard equipment on some passenger and vehicles...