This time, the fan damaged the radiator. Stuck fan clutch: A stuck fan clutch may remain engaged, causing the fan to spin constantly. I've only ever heard it once before about 2 years ago when it was really hot outside. If it clicks or wobbles more than a quarter-inch, it might be a worn bearing. It took some time but it finally broke free. To Do a Quick Fan-Clutch Check. Make sure the engine is cool. 4 (fan side) is attached. 6. Hold the new fan clutch in place aligning the bolt holes in the same place as the old clutch. When you do your next timing belt job, also replace the Fan Bracket Assembly and enjoy the buttery smoothness. Feb 1, 2014 · If the Fan clutch is seized or the valve is stuck open, the truck would give a code, if the PCM is telling it to go full speed (and no fan circuit codes) then a input to the PCM (EOT…etc) is telling it and if they are faulty they would produce a code. I ended up getting an 18" adjustable wrench at Harbor Freight for $20, and that got the job done. What is the difference between a standard, heavy and severe duty fan clutch? Answer: Each fan clutch type is designed to simulate the performance of the original equipment clutch Oct 9, 2021 · Hey guys, hope you all are doing well. Because of the need to Jun 5, 2023 · '03 F250, 6. Trying to remove a seized fan clutch assembly from the water pump pulley on some engin Nov 3, 2016 · There are four large bolts in the center of the fan assembly that hold the clutch in place. I am very happy with changing from the electric to mechanical. To my dismay it didn't work. At first it seemed like maybe we got a bad aftermarket part, but after taking a working fan from the other truck and comparing, that doesn't appear to be the case. New bearings in the front of the engine make things like new again- quiet and smooth. 2. If your clutch fan seizes and your van sounds like a dump truck, don't panic. When the heat has been reduced to the point where the clutch unlocks the fan returns to freewheeling. May 22, 2012 · The fan clutch also releases when the car is under acceleration to allow for more horsepower. A standard cooling system fan clutch should spin at 33% of water pump speed (RPM) when not engaged and 75% of water pump RPM when engaged. During the first fifteen seconds to one minute after start-up until the clutch can redistribute the silicone fluid back to the fluid's normal disengaged operating condition (after overnight settling). When your radiator gets hot, the air that passes through it heats up and this causes the bi-metallic coil on the fan clutch to warm up, as well. Show Printable Version; 08-23-2007, 07:28 PM #1. If the fan clutch locks up completely, the clutch is stuck and you will hear the fan like an airplane propeller. How to remove a clutch fan is seconds, using just a wrench and a hammer. I did disconnect the control cable and start the truck and it the fan still came on strong. Oct 6, 2015 · 6. Apr 4, 2009 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Jul 15, 2016 · One of the most popular and my personal choice is a pneumatic fan clutch wrench that uses an air hammer to loosen these stubborn clutch nuts easily. An overheated engine is one of the most common faulty fan clutch symptoms. Attach the new fan clutch to the fan blades, and use the four bolts to secure them together. Feb 28, 2016 · In this video, I demonstrate the technique I used to remove/loosen the fan clutch bolt. Not cut all the way, just frayed. Dec 7, 2014 · Hi guys, Thanks for all the great tips for removing my fan clutch nut, but still no dice: I've soaked it in PBlaster, heated it with a torch, tried all the suggestions here: wedged the belts, vice grips to wedge water pump pulley, whacked wrench with hammer. Therefore, you could experience a constant droning noise from the fan at a higher volume than usual. I've had it happen several times. Feb 3, 2017 · 12" crecent wrench and 10"pipe wrench pliers or channel locks Jun 12, 2022 · Howdy, I've got a fan clutch on my 2016 Chevy Express LGH that has been stuck engaged to the serpentine belt for the last month. Most tuners will tell you to set the fan to come on at 190 or slightly higher. It sounds May 20, 2012 · With the proper tools it really was easy to undo and replace. Feb 6, 2010 · The wrench I use on my fan clutch nut is a length of 1/4" thick x 2" wide steel stock that I originally used for a rear end yoke holding tool (bolt holes and clearance hole for the pinion nut socket). Depending on what's wrong with your fan clutch, it may stop spinning all together or it may just not spin at the right speed. Everything rotates independently, so you have to have a way to keep the clutch from rotating while you get those bolts off. In my case, I bought the combo tool with a 32mm open end wrench and holder. If the car ac clutch is still engaged, it means it is seized. Aug 3, 2016 · The fan clutch itself is a huge pain working with the fan installed, and it's not easy to get the fan off the clutch working around the shroud. #8 – Control Head/Computer Failure Aug 10, 2023 · Why Does the Fan Clutch Get Stuck? Several factors can lead to a fan clutch becoming constantly engaged: 1. The only solution to Apr 13, 2023 · The clutch fan doesn't turn off. I used a wrench on one of the other bolts to hold it form spinning. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Apr 13, 2020 · This video is about the operation of a clutch and how one can fix a stuck clutch What is the difference between a standard, heavy and severe duty fan clutch? Answer: Each fan clutch type is designed to simulate the performance of the original equipment clutch Jul 15, 2008 · I agree with your statement but there are members here who have fan clutch toasted at 100-120K. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Jan 15, 2016 · I would suspect your fan connector before the coolant sensor. Wiggle the fan – by moving it forward and backward. Reconnect the new fan clutch to the water pump pulley, and then tighten the nut to a snug fit using the adjustable wrench Wondering if that coolant sensor is working correctly. This may lead to engine damage and affect your vehicle’s performance as it can’t cool down properly. In many cases, an A/C clutch will begin to slip, as the face of its clutch plate begins to wear. I think that a seized clutch wouldn't affect cooling too much because of the thermostat. Sep 13, 2019 · However, its always a crap shoot whether the fan clutch is going to come off or if its partly seized. 5l , and in trying to pull it out to fix it, But I can't To gave me room I have removed the four bolts that holds the fan against te fan clutch. Continue striking the box wrench with the hammer until the fan clutch comes loose. I replaced the fan clutch after realizing the original one had cut the fan clutch harness in half. Sep 16, 2022 · AC Compressor Clutch Stays Engaged: Causes & Fixes. Back to the OP Oct 10, 2021 · It is common for a fan clutch stuck engaged in the engine compartment of a car. Jan 24, 2007 · If the fan blade speed was greater than 2. Sep 15, 2023 · Engine Overheats. You can ask the customer a few follow up questions to determine whether the fan clutch is the culprit behind the roaring noise. I also include some othe Nov 24, 2008 · M5 Dave 2000 TiSilver M5 - Supersprint Headers, Tubi Catback Exhaust, Active Autowerke Tuned ECU, Active Autowerke CAI, Custom Hi-Flow Air Filtration, UUC 11" Performance Organic Clutch/Aluminum Flywheel, UUC Short Shifter, UUC DSSR, UUC Clutch Stop, UUC Tranny Mounts, Strong Strut Front Strut Bar, Riken Raptor Tires, AXXIS Deluxe Plus Brake Pads, UUC Shifter Knob, DEPO Projector39 HID DDE Jul 24, 2020 · Watch me repair an overheating Jeep Cherokee/Liberty , by repairing the viscous fan May 12, 2022 · Understanding How Your Fan Clutch Works. Jun 9, 2010 · If the compressor is seized, the entire clutch assembly will be stationary and the belt will be slipping, squealing, smoking and, in a very short period of time, failing. 0. I was lucky to find a Jan 8, 2016 · 1. 5 days ago · Excess fan noise at high speed is caused by the same problem, a seized fan clutch. I had all the classic symptoms, i. Continuous Fan Spinning Jul 9, 2010 · Just royally screwed up my fan clutch nut removal. If the fan turns and keeps the air flowing through the radiator then you don't really NEED a new clutch. 0L water pump, once the fan is out of the way your fun is just beginning. Then once hitting a pothole momentarily pulled the lower radiator support inwards, and another time it was something else. Also wondering if hard re-boot might help. Checking Sep 21, 2023 · Got it off! I took a oem fan clutch pulley holder stuck some bolts through the holes on the tool and ran a nut down so they didn’t move got it in the holes on the pulley braced the tool against the shroud mounting bolt and hit it one time with the brrrp from the air hammer and it came right off! Aug 11, 2020 · The Horton DM Advantage on-off fan clutch is spring-engaged and air-disengaged, making it a simple component to repair and replace. When it fails, the fan clutch may lock up and cause the fan to run continuously. There may also be loud noises from the compressor or the clutch will stop moving. Jun 19, 2016 · So it's a trade-off in risk. Either break the plastic water pump pulley to access the water pump bolts OR unbolt the pulley from the water pump and slide it toward the fan clutch to access the water pump bolts. Fan Clutch: $95. If the fan is loose or there are any objects blocking the path of the fan blades, then when the fan spins, it can hit the inside of the AC unit, nearby internal components, and any physical obstructions. deen3. Heater not effective: If the fan clutch gets stuck on in cold weather, the engine will take a long time to get to its normal Never touch a fan while the engine is running. 2014 C&C 5500, G56, Hardway EFI, Hardway compounds, ARP625's, Valair DD, Glacier diesel goodies(S2intake,Big fuel line kit, Grid heater delete, High flow grid heater, ccv reroute) Auto meter factory match Boost,pryo,trans Mar 16, 2018 · That's to low,the fan will never shut-off even going down the highway,the truck won't run under 185 even with a 180 T-stat,you can even stick a 160 or 170 T-stat's in the 14+ trucks with the thermal management system,and they'll still run at a constant 185 on the highway. remove water pump and fan clutch as an assembly 6. However I was towing heavy yesterday,and when I started out,once up to temperature things went well. Fan spins after engine shut-down might indicate a weak clutch. Dec 25, 2009 · This post helped me to determine whether or not to spend the dough to replace my fan clutch. I have 6. I have a few questions. That indicates the the fan clutch is defective. Counter clockwise on the fan clutch nut to undo as you are facing the car while holding the water pump pulley still. For the time being, I would leave it alone. Otherwise, use a set of manifold gauges to check your refrigerant May 1, 2012 · Option time. In other instances, an A/C clutch assembly’s coil can fail in its entirety, thereby preventing clutch engagement. This causes the roaring noise. With the exception of bearing friction, the fan assembly freewheels on the clutch assembly until heat causes the clutch to lock the fan to the rest of the rotating assembly. It will also tend to sound like a hurricane under the hood when fully engaged and driving off slowly from a start. This can happen when the fan is not spinning at all or when it is spinning too fast. Trying to remove the fan and it will absolutely NOT budge. Might take a little longer to heat up, especially in the winter, but NEED in this case is a relative term. This allows the engine to operate more efficiently by removing the load that the fan places on it. my mpg is been down around 20 at best. Oct 10, 2019 · Hopefully this helps you out a little better than the first one. It worked like butter! 10 min. I used a vise to return it for form, but it just opened the jaw up easily upon each retry. Mar 12, 2024 · There will be four to six 10mm bolts that will hold the actual clutch part of the fan to the fan blade itself. com/2carpros/If you have any further interest p Hi Guys, Yesterday I took the 260 for a long, long drive ending with the fan clutch ceasing. If you notice any of these signs, it’s essential to troubleshoot and address the issue promptly to prevent potential engine damage. Dec 3, 2016 · I just changed my water pump on my 2011 over the weekend. Aug 20, 2019 · A locked-in, or seized, fan clutch can cause radiator fans to fully engage at all speeds. I have a 1995 5. A mallet with an appropriate sizes box wrench did the trick. Especially if the fan clutch is permanently seized, the fan will be spinning at the same speed of the engine, with the full power of the engine behind it. Nov 4, 2014 · So at this point, all I would salvage from taking the pump fan clutch assembly apart would do is gain access to the pulley and fan blade. It’s also one of the most Sep 25, 2009 · I notice the fan is spinning now at all times, from as soon as the engine is started, even if stone cold. Turning an otherwise alright job (timing belt) into a a pain in the rear. So, I've ordered those and the fan clutch to go with the new pump I've got. Using the removal kit with the arm for the air hammer and correct size attachment, trying to loosen counterclockwise looking from the front of the truck and holding the water pump pulley with an extension in the hole. Never touch a fan while the engine is running. Some Dodge Durangos use a secondary electric fan. So i have had the fan clutch unplugged with no issues. The fan running on initial start is called morning sickness, almost everyone's truck will behave similar. Aug 8, 2008 · Back to the topic at hand, I switched back to the fan clutch after resolving the real issue because it is much quieter than the flex fan, and I think the power drain is still less with the clutch than the flex. Also, how to replace a clutch fan. Fit the inch and a half box wrench over the fan clutch and hit it repeatedly with the hammer. My built trans gets to hot when moving slowly, and the temperature of the coolant rises a bit. Jan 27, 2019 · this i figured from experience , there are few cases like this, people dot know about stuck clutch fan , i hope this will help others who is facing same prob May 8, 2012 · The clutch should never lock up completely. 2012 - Finally "Bro-Lean" status since springs have negative arch. Check the wiring to the fan clutch to make sure it is not rubbing against metal, another bare wire, etc. Even tho the car only has 47,000 miles, the fan clutch nut would not come off. Nov 10, 2016 · A fan clutch is a temperature-controlled coupling between the water pump shaft and the fan which allows the fan to be operational at low speeds and disconnected at higher speeds. Last winter I was driving through North Dakota at -36 degrees and my clutch would lock up under light load. What this means is that the engine won't properly be cooled. the whirring jet engine or semi sound. On Monday, the brackets once again broke loose from the fan not turning off. Sep 29, 2023 · With time, a compressor’s clutch assembly can begin to show its age. Feb 27, 2022 · Fan clutch nut STUCK!!! Jump to Latest 11K views 88 replies 39 participants last post by benmarule Mar 9, 2022 Jul 6, 2013 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Dec 31, 2016 · did you bleed the cooling system?,with the eng off and cold,you take out the bleed screw on the therm housing,then fill the cooling system,when coolent comes out the bleed hole,you put the screw back in and finish filling the coolent bottle,then with the cap off start the engine to burp the system,run for 5-10 minutes,shut off and wait 5 mins,refill coolent bottle and put cap back on,start Feb 9, 2022 · It seems as though the fan clutch is locked when the engine runs. Jan 14, 2021 · In this video, Bill removes the clutch fan that seized up on him mid trip. Another potential symptom of your fan clutch being stuck ON in a cold weather climate is that the heating system doesn't deliver sufficient hot air. Everything was good for a couple months. The P0480 code is letting you know there is a problem with either the cooling fan relay (it decided to go south) or the fan Problems like a stuck clutch, improper engagement or disengagement, or excessive noise can all indicate a malfunctioning fan clutch. duel 12's one 20 amp and 1 15 amp back up. Maybe the controller got tired of trying to release seized fan clutch and would try again after a hard re-boot. What is an engine Fan Clutch? A fan clutch controls Here is a step by step guide on how to diagnose AC Compressor noise and issues and how to remove and replace your a/c compressor clutch and bearing. 0L Power Stroke Diesel - fan clutch stuck and constantly engaged? - Ok so here is my newest dilema-- I'm driving down the road the other day and I hear what I'm sure is the fan engaging. Reinstall the Fan Clutch Jun 18, 2015 · Using your ratchet with a 13mm socket, remove four bolts securing the fan clutch to the fan blades and separate the two parts. Vehicle overheating. Remove these nuts and the clutch will come free from the blade. To check that, remove the A/C relay and see if the ac compressor clutch disengages. Pop the hood open. I didn’t try stopping it with my hand though. View Profile View Forum Posts Member Join Date May 2003 Jun 20, 2019 · "The electronically controlled fan clutch is inoperative in one or more speeds or does not operate correctly": Wiring or electric fan clutch "B3 CHECK FOR AN AIRFLOW OBSTRUCTION AND MISSING AIR DEFLECTORS" "Check the cooling fan clutch operation. So it was roaring all the way home from work and still does the same thing. The risk of it overheating from inadequate cooling, or the risk in it overheating from catastrophic loss of coolant from loosing a radiator to a seized fan clutch as (Carufel) mentioned. Engage the parking brake and set the transmission to Park (automatic) or Neutral (manual). 000 rpm on 7. instagram. A loose fan can be a symptom of a worn fan clutch or water pump bearing. Damaged or disconnected wiring: Faulty wiring can keep the fan clutch energized, even when it should be disengaged. In this Jul 24, 2021 · 2017+ Super Duty - Fan clutch locked up - I have a 2017 F350 6. Either way there is no air flow and this will cause your car's temperature to rise quickly. For those who haven’t removed a fan clutch before: the problem is that the fan clutch spins when you try to undo the nut holding it on. 4 I put a new fan clutch in it was working good did a 40 min drive turned it off when I go to head back fan doesn't disengage. It will tend to cycle when the truck is warm, especially if you turn the AC on or off. I just replaced the alternator because it was bad and not charging the batteries. Mar 1, 2011 · 1987 - 1996 F150 & Larger F-Series Trucks - Normal fan clutch operation - I was just wondering how other's fan clutches operated because I think my fan clutch is locked up too much. Pull battery cables while engine Jun 18, 2016 · BTW: You don't say why you're removing the fan/clutch, but if you're planning on changing the 5. I've unplugged the clutch and still nothing and no signs of damage anywhere. 4l v6 Water pump failure is very common on late model Ram 5. The new fan clutch's are supplied with a bushing that fits in the fan shaft and acts like a spacer between the shaft of the water pump and receiving end of the fan clutch. I think if I remember right Jay greene engine fan stuck in the engaged position. Mar 23, 2020 · Easy test is to start engine cold, you should HEAR the fan startup, its locked now, let engine run for 20 seconds then shut engine off Open hood and try to spin the fan, should spin easily, easy to move it, if not its locked when it should not be Fan clutch locks from Radiator heat, not engine heat Mar 11, 2022 · When a fan clutch goes bad there can be is a loud roar. Aug 16, 2017 · Any updates? I have purchased the fan hub adapter, and fan clutch, as well as 2 stacked plate transmission coolers to replace the OEM front cooler. 6l diesel. As l Aug 16, 2024 · A slipping fan clutch can result in failed cooling, increased engine strain, and poor fuel efficiency, which is why it’s important to evaluate the condition your vehicle’s fan clutch if you suspect it might be wearing out. If the fan doesn’t move at all, it’s likely the clutch bearings are seized. However, I couldn't get a good whack to the wrench with my trusty sledgehammer, so I literally resorted to using my right foot, put my left hand on the right fender and right hand near the radiator for leverage, left food on the ground. Seemed like a bad idea. I got the serpentine belt off the crank pulley but it was a pain. Jul 26, 2015 · If I spin the fan while motor is off you can feel the clutch engaged bc the fan is hard to spin. Mine was siezed up on the pump shaft nothing I did would break it free. They replaced the clutch fan. You can hear the fan whirling louder as the RPM increases, from the To diagnose stuck fan clutch, as I understand it, you go through a coolant temperature sensor, relay, wiring harness, then fan clutch to see what would be causing this in an electro-viscous fan Jan 24, 2021 · You can remove the fan clutch without the special tool by using a box wrench and hammer. Today I show you exactly how to remove and replace a fan clutch assembly with the proper tool! The basic premise of using this tool is to firmly hold the wat The clutch is probably worn out if it spins more than two or three times. If a customer comes in with any of the following symptoms, you should inspect the fan clutch: Overheated engine: If the fan clutch is stuck in the “off” position, the engine will overheat. I cut a proper size notch on the other end of it to fit the fan clutch nut and it works very well. Mar 14, 2019 · If you have the time, money, and inclination. Here is my problem: Two days ago I started my car and the fan clutch was on and noisy, like normal, but this time it didn't turn off. 7L Hemi engines. Oct 15, 2020 · Safety in Driving With a Faulty Fan Clutch . One of the first symptoms that is commonly associated with a bad or failing fan clutch is an overheating engine. For instance, a thermal fan clutch reacts to the air’s temperature. With the engine off and cold, I can spin the fan with only minimal resistance, with engine off and now warmed up as much as it will warm, the fan clutch still spins with only minimal resistance. When the AC compressor clutch goes bad, the air conditioning may not work at all or it can work intermittently. The lack of power means the fuel economy and the miles per gallon can greatly diminish, and the engine will run a lot cooler and at a lower temperature than its optimal operating temperature A fan clutch is a thermostatic engine cooling fan that can freewheel at low temperatures when cooling is not needed, allowing the engine to warm up faster, relieving unnecessary load on the engine. Jan 1, 2024 · A common symptom of viscous fan clutch failure is engine overheating at idle or in traffic. This can cause the clutch to remain engaged regardless of the engine temperature. If you can stabilize the pulley and keep it from moving, I just used a large crescent wrench and whacked it with a hammer until the fan clutch broke loose. " When the clutch shoe inside the part gets stuck, it fails to disengage. As a result of the fan clutch issue, your car might feel sluggish, accelerate slower, and sip more fuel. 0L is usually one of the most miserable job you can do. and done. Maybe I should have tried to take it off while I still had the fan belts on. 5 2500 QCSB 6sp 4x4: 5" Exhaust, Isspro EV2 gauges, SB DD3250-6, Banks Intake, AFE Momentum CAI, Pac Brake, BD 2-piece manifold, 3" Carli Backcountry level with full leafs, custom front/rear bumpers, Smarty S06 POD, Chevy tow mirror conversion, SRT-10 Hurst shifter , BD short shifter kit, Fuel filters, custom onboard air setup, Android HU/sound system, D2S Projector Retrofit Apr 27, 2011 · "Replace the fan clutch when: a) hub has seized (fan of stopped engine cannot be turned or is hard to turn), b)fan clutch has axial and/or radial play or is losing oil Check the switch [set] points* with a Vibrocard [contact vibration meter]" * Specifications which I don't have on hand, and the dealership can't find, as of yet. Mar 9, 2023 · Symptoms Of A Bad AC Compressor Clutch. 9L) - Fan clutch removal, a new trick! - Hey guys, I had my welder with me today, and I was going to make a gizmo to hold the water pump pulley in order to unscrew the fan clutch. 79. Apr 8, 2016 · If the fan is constantly making noise, and sounds like a hover-craft, that means the fan clutch is seized and not working properly. AC Might Not Be Working At All Dec 13, 2008 · OK, so I've read a number of the threads regarding the fan clutch. Sep 14, 2016 · Fan Clutch If you are in front of the truck the fan clutch nut will come off in a counter clockwise rotation ( to the left ) but now that you have rounded the nut the best alternative will be an air chisel, that will do the job, once it's loose it will spin of by hand but you will still need to lock up the hub, they make a fan locking tool you may be able to rent from one of the part stores Fan Clutch Stuck Engaged Symptoms . The fix for a f #StandardTechStar How to remove the fan clutch from many vehicles without specialized tools. Promptly addressing these symptoms prevents further damage. Thinking if I remove the fan/shrouds it will be much easier going back together. 3 engine out of my 1989 parts truck and I'm having trouble removing the fan clutch. However this is the only way to go! My fan clutch was stuck, I tried every trick in the book including heating up the nut and pounding on a regular fan clutch wrench with a 3 lb hammer. On the road test for the new fan, the brackets broke from the vibration of the fan not turning off. 5. As temperatures increase, the clutch engages so that the fan is driven by engine power and moves air to cool the engine. Sep 7, 2010 · You'll know by sound if your fan clutch is working, that's a massive fan, it moves a lot of air. Your engine will run fine with a seized fan clutch for an indefinite period of time. Now I'm trying to breck loose but the whole water pump is turning and I can't find a good way to pull hard on my wrench. This causes the fan to lock up on the input shaft. When this happens, the fan runs at engine speed regardless of the actual engine temperature. 3L IDI & 6. Sep 11, 2022 · If the fan spins more than three times, you may have a faulty fan clutch, and if the fan does not spin at all, the bearing may be seized. Well RockAuto has the pulley for $8. 55 and the blade for $79. Check the fan. In all four radiators lost to the belt driven fan. However, if a clutch is seized, that means Aug 8, 2013 · My fan clutch is stuck on in the yellow truck, 05 - 3. You wouldn't need to completely stop the fan, just apply enough resistance so you can feel if it's pulling constantly (clutch is fully engaged, as it sounds is the case), if there's a pulse due to the PWM signal commanding the fan to spin at some value less than 100%, or the clutch isn't engaged at all, and you'd be able to stop the fan with ease. Jun 29, 2015 · The fan clutch recently became stuck; it was always running and never seemed to disengage. This summer here in MN Buy Now!New Electric Fan Clutch from 1AAuto. When this happens, the air may be stuck on or off, plus refrigerant can leak. This condition can cause unnecessary drag on the engine as it works harder against the cooling fan rotation. My fan clutch is locked up most of the time. Diagnosing the Fan To diagnose the clutch fan, lift the hood of the vehicle and with the engine off spin the fan a bit with your hand. Like I just posted elsewhere, I will follow another old post here in this forum and swap in a mechanical GM clutch just like is on all my other vehicles. To remove the fan clutch nut, it is the standard rotation. Step 6: Install the new fan clutch. As the air moves through the stack and heats up, the fluid heats up as well and will eventually activate the fan. The fan clutch should engage before the engine gets up to 220°F. my t-stat is having problems keeping temp. I think I saw at this forum one time that the large nut holding the clutch is supposed to turn clockwise to remove it. 2 gas. Aug 23, 2007 · Thread: Fan Clutch Seized, repair. Anyways, I have plans to replace this weekend with a new Aisin I have on order. I'm still not clear what steps to take. I bet the fan clutch was seized up from sitting around. The way the fan clutch works, is that once the engine heats up, it heats up the fan clutch, which engages the fan and gets it spinning so it can cool the engine. That solved the problem. Look for Lisle 43300 Pneumatic Fan Clutch Wrench Set---> Lisle Corporation In an emergency you could use an air hammer and a sharp chisel end placed directly on the flat of the clutch nut. e. It doesn’t matter if it is hot outside, cold, towing a trailer or not. A fan clutch is supposed to be a fluid coupling device that allows the fan to rotate less than the engine speed. This can cause bearing damage, radiator damage if the blades flex too far, or even shatter a plastic fan. I always break the pulley and buy a new clutch fan so without the pulley in the way you clamp it The fan spins all the time. These clutches are featured on forward facing engine's only and are used in place of an electric fan though they do the same job. If your fan is full on -and it is a connection issue - that should mean that: 1) the command signal is pulled low engaging the fluidic clutch, or The most common reason for a loud cooling fan is the clutch being stuck in the fully engaged position. Dec 13, 2014 · Thanks to all who responded to my way over-torqued fan clutch nut predicatment a few days back. Thanks guys! Fan Clutch Diagnosis Fan Noise Fan noise is sometimes evident under the following conditions: When the clutch is engaged for maximum cooling. Mar 15, 2006 · I believe you are correct with regard to the pilot snout. Consider the fan clutch symptoms listed above and be aware of potential failure. And was not sure if the problem was a control logic or fan clutch. After finally resigning myself to the nightmare of removing the fan, pulley and pump as an assembly, I decided to try one last thing that hadn't occurred to me before: using a hacksaw to cut through the nut. Jul 12, 2016 · Hi everyone I'm new to the site hope I'm doing the post right lol. Once the clutch seized up making a tornado over 1000 rpm, and once the clutch broke and sheared off of itself along the shaft area. 1. When the engine burns fuel, it generates heat that builds up over time. You might notice more dust being blown from under the vehicle than normal when idling. But my cutting torch A stuck fan clutch means your cooling fan will keep spinning with the water pump shaft. you could do the fan clutch as well. Do I need a giant wrench? Mar 9, 2008 · I'm in the process of pulling the 7. The fan should not run with the engine cool. This will get you off the side of the road, so you don't need a tow from overheating. Oct 6, 2015 · My PCM had to be replaced about a month ago for a no start no crank. A fan clutch is designed to cool the engine when it becomes too hot and on the verge of overheating. Feb 18, 2014 · The clutch is controlled via a viscous fluid inside the clutch. Remove your fan clutch assembly in under 1 minute WITHOUT ANY SPECIAL TOOLS with this trick! Also this is my Scotty Kilmer impression. Dec 11, 2012 · funny thing my clutch fan is on all the time to. My fan clutch is locked on from idle all the way to 80mph constantly and it’s driving me insane and I can’t figure out why it’s on. i got a e-fan setup to replace the clutch fan. The AC fan may stop spinning if the fan blades are broken or obstructed. Dec 26, 2007 · The P0526 code is letting you know that there is a failure of the speed sensor circuit for the electronic fan clutch. Check for play in the fan clutch by wiggling back and forth. You are checking to see if the fan is locked up where it will not spin freely. Also, never wear loose clothing while leaning over the engine compartment. Jun 26, 2021 · So a few days ago I did the electric fan mod in my 330ci auto. If your fan clutch is stuck engaged, there are a few symptoms you may notice. Start the engine and let it idle. Dec 3, 2012 · The fan will typically always spin due to bearing friction. There are several components that help reduce the engine’s temperature, one of which is the cooling fan that takes cooler air from outside the vehicle and forces it to flow over the radiator and engine. Jan 28, 2012 · I had to actually remove the water pump and use my cutting torch on the fan clutch. Helps quiet noisy cooling fans with stuck fan clutches This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type Nov 2, 2022 · A broken fan clutch can leave you stranded with expensive repair bills, check the 4 symptoms of a bad fan clutch in this article to have timely remedial measures. Dec 26, 2013 · I believe my fan clutch is seized- I can't turn it when cold or at operating temperature- and it roars extremely in the lower gears when the engine is spinning faster and at higher speed in the higher gears. The fan clutch is responsible for controlling the operation of the cooling fans. Jan 30, 2013 · Granted the fan clutch nut was super tight, but the jaw opened up. Not worth it to keep the fan clutch after 100K miles, in my opinion. 0 with the super engine cooling package and a/c if that makes a difference. 3 mod a few years back,and it definitely changed /settled the coolant heating and cool cycles. Jun 10, 2024 · Broken or Obstructed Fan Blades . The pinout for the 6. The current fan clutch takes what I feel is to long to engage to bring the temperature down. I went ahead and spent $200 at AutoZone for the new fan clutch and replaced it. The obvious course of action was to replace it and so we did--except that hasn't fixed it. the car had the 3. They replaced it again. The original one was also stuck on for a while. fans are out of a 2003 Pontiac grand am. When the UPS driver dropped it off I was like a kid at Christmas, I ripped it open and slapped it on my short stroke air hammer. Changing a water pump on a 5. While I was diagnosing this, i noticed that the harness going down to the fan clutch was frayed. =( Current vehicles as of 2022: 1971 - Honda CT70 1976 - Puch N RIGID 1998 - Tacoma Clutch slipping and eventual failure are normal with time. Once you have matched up the old fan clutch to the new unit reassemble it by installing and tightening the nuts in a cross pattern. There are different types of fan clutch and each has its own function. Jun 15, 2007 · No, the seized fan clutch will actually make it run cooler. Truck sat for couple years before we got it. To the OP, it sounds like your clutch is bad. So I watched a couple of Youtube videos for tips, and found a few. Still with the 4 attaching bolts removed the fan clutch refuses to separate from the water pump. luke warm air in side. I only heard it for a few minutes. I personally did not like the thought of hitting the clutch nut as it could damage the water pump bearing . com http://1aau. May 11, 2015 · 1998 Taco: RevTek F/R lift JBA cat back MagnaFlow cat K&N CAI Tundra 13WL brake conversion Redline hood struts Flex-A-Lite dual radiator fan Galaxy DX979 (barefoot), Wilson 1000 (thru-roof). Aug 5, 2012 · Pre-Power Stroke Diesel (7. The clutch will disengage at highway speeds Nov 6, 2017 · 2004. I’ve dismantled the fan clutch, cleaned out the gunk with carb cleaner, got it turning freely although with a slight drag and filled with 20/50 oil (will get some silicone oil and do again if worth keeping this clutch) and reassembled. 3L diesel engines, install a new fan clutch (8A616). This can easily cut or maim a hand or arm. Nov 18, 2019 · Changing out all the idler pulleys (3ea), belt-tensioner, serpentine belt and rebuilding the alternators (2ea). Express, savana. Regular maintenance helps detect issues early. This is because the fan clutch is no longer allowing the cooling fans to spin freely and cool down the engine. When the fan is locked up, the cooling fan is permanently engaged. Vehicles with a seized fan clutch can be operated for a very long time, but the engine might lack power. I tried to use it and it did not work good for me. Search the forum using terms: "fan clutch seized hood". i have a front mat for my truck . Reverse thread (I know), and blows from my 3lb mini sledge didn't move it. Jan 15, 2016 · To get specific the fan clutch is responsible for determining the speed at which the cooling fan spins against the vehicle's radiator. There is a special fan clutch tool you can use and good luck with it. i'm in manitoba and my temp can't get up very high. Fan Clutch failure: $3K damage: fan blades flying, hood damaged, paint/body work etc etc. Fan Clutch Test — Maximum Speed Requirement Perform Steps 1 through 5 of the Fan Clutch Test—Minimum Speed Requirement. The fan clutch is an essential component of your car’s engine. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jun 19, 2016 · Once the fan just exploded. If the a/c clutch stays engaged, there is a possibility that it may be seized. A 4x4 off-roading club for people who want family fun and camaraderie. But when I spin the fan with the engine off it spins with some drag. to/ia/1ARFC00075This video shows you how to install a new radiator fan clutch in your 2008-2010 F Jan 25, 2017 · This is a video tutorial on how to remove a water pump mounted radiator fan! Instagram: https://www. The fan is a standard hydrothermal fan - just like the 6. But I also was installing a new water pump. Jul 15, 2020 · A stuck fan clutch that is not leaking fluid is preferable to one that does not activate or one that leaks. First, your engine temperature may begin to rise higher than normal, even when the car is not being driven. Once the fan just exploded. Looks like the fan clutch is held on with a giant nut. Lower fan shroud was all I needed to remove, not really a difficult job, just a lot of reaching and contorting to get all the bolts. . Mar 23, 2018 · This is a video of how to fix a fan clutch temporarily. Keeping a vehicle operating without fan wobble, with good belts, and without ranging outside of the normal operating temperature range are key to keeping a fan clutch and its engine operational for as long Aug 3, 2020 · I switched over the 7. It’s always roaring away. Symptoms of a bad engine clutch fan and how to test if it has failed. When the fan clutch sticks and engages solid or if it never engages, it is defective. Temperature Sensor Malfunction Apr 13, 2024 · A malfunctioning fan clutch can impede proper engine cooling, affect cabin heating, strain the engine with excessive fan noise, and lead to fluid leaks. NOTE: The temperature of the air hitting the fan clutch should be above 96°C (205°F) for maximum fan speed. If a viscous fan clutch is stuck ON, it will rob your engine's power and decrease fuel economy. Remove these bolts and the clutch will be free from the fan. Mechanical Failure. Thread Tools. Over time, the internal components of the fan clutch can wear out, leading to a mechanical failure. rsb uugoko lkyq xzjwcj xcio phyihbif yxfksfm lzbhx vzrp utjalt