What Are The Symptoms Of A Bad Fan Clutch

Read all about how to diagnose your own clutch system problem to help prevent some potentially serious problems further down the line. If it does, you know it's not the fan and start to look at transmission problems. Learn about this problem, why it occurs, and how to fix it. A faulty fan clutch will fail to engage or disengage the cooling fan at the right time. P0480 CHEVROLET More Information. Engine is Overheating. Accessibility Help. Clutch "chatter" is often caused by an overheated clutch (normally from "slipping" the clutch when starting on an incline) or from oil on the clutch disk. In many of these articles we focused on some of the worst AC problems an old car can have. If you experience the opposite reaction in either of these tests, you probably have a bad fan clutch. Symptoms of a bad alternator include hard or slow cranking when you try to start your vehicle, lights that seem too dim, and of course the red BATT, ALT, or GEN light glowing on the dash. The fan operates at 100% due to the fan clutch failing resulting in loss of power. A faulty fan clutch can be one of the most debilitating conditions for the vehicle, especially in summer. Vee Belts The belts should be tight, not cracked and fit in the belt groves of the pulleys properly. Check out free battery charging and engine diagnostic testing while you are in store. My concern for you is that if you have the right fan clutch (3") that the rad is the problem and won't fit the rebuilt original as its 3". he could fix anything with a vice-grip and screwdriver and usually lost an eye or finger while he was working. Cooling fans do not come on. 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 Dodge Cummins' radiator fan stops freewheeling, it's likely to be a problem with the fan clutch. i've never seen, or rather heard, a fan clutch going bad except for one that's permanently locked up. 6 Symptoms of a Failing Alternator If you experience flickering headlights, stalling or strange noises when driving, your car isn't haunted; chances are it's just a failing alternator. Sometimes, the compressor may be unworkable because of an external interference. The gentleman who gave me the hint for the part had to find the replacement as a result of his fan exploding with a stock fan clutch. The first sign of a fan clutch stuck in the permanently engaged position is a fan that never shuts off. Many people over-grease the input shaft splines that the clutch disc engages with, which in turn, will find its way on to the disc material. The fan clutch is basically the part of your vehicle's cooling system that powers up the fan blades. one of these is a bad clutch that makes the fan unable to operate as it should. The Clutch Is Moving. A bad fan clutch can affect AC cooling and yet not cause the engine/radiator to run hot. no, factory cable can Not be adjusted at the fork, it's weird how the haynes manual shows an adjustable one in their picture anyway, does it feel sticky? mine looked burnt over bye where it comes out of the rubber, i had the, in traffic troubles too, ever since i installed my d&d quadrant the problem went away, but its weird because i still have to go almost all the way to the floor to shift. A surefire way to tell if it's shot is to stick a screwdriver in the fan when it's hot. Make sure you get the right terminal when grounding it or some bad juju might result. I read that to test the clutch, spin the fan by hand. Crank the vehicle. If it doesnt turn easily by hand, the clutch is probably bad. So I'll take it apart and see if adding fluid helps, I've seen a few guides online for that. By not spinning at speed, the fan will not cool the radiator enough and the engine could overheat. The book didn't say to let the engine warm up. There is no movement or play at all in the water pump shaft, none that I can detect. It spun about 1/4 of a turn, or less. What is a viscous fan clutch? Viscous fan clutch problems and symptoms explained. I got it changed there a few months ago and shortly thereafter my car started to overheat and the heater stopped working. I live in the Middle East, in Beirut, Lebanon. If there is voltage going to the clutch? a cycling switch may be bad, a fuse may be blown and the system may not have enough refrigerant pressure to trip the low pressure cutoff switch that cycles the compressor. Check the clutch fan. The fan's efficiently will decrease as the fan clutch ages, and it will eventually not be capable of cooling the engine. Motorcycle Troubleshooting Guide – Four-Stroke Motorcycle Troubleshooting Guide While this Motorcycle Troubleshooting Guide is not a complete guide of every possible cause for each problem listed, it will help assist mechanics in troubleshooting some of the most common difficulties they will face. Did you have the 3" fan clutch? FEs use 3" and Ws and Cs 3. You may not hear anything trying to spin it by hand, but it can certainly be bad and noisy when under load. it looks like the clutch is engaging but i am surprised by how much it affects the motor when it comes on. does anyone know of how much and what kinda work would have to be done to fix this problem?. If i hold my meter leads on the harness, while engine running, ac on, fans turning, steady as can be, the voltage reading jumps to 6v, then to 4v, then to 9v, then back to 4. If your clutch cable does break, pull over in the nearest safe spot and call us on 0800 88 77 66. The purpose of this Troubleshooting information is to provide a list of common causes to problem symptoms. I can stop the fan from spinning about 60 seconds after startup by holding rolled up paper against the blades. but what do they mean Electronic clutch, do you have electric fans?. If you hear the clutch turning on and off by wire movement, then you have a bad connection some where close by. 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. A bent or damaged fan, a worn spacer, or a worn or damaged fan clutch could also be factors contributing to the break. A: Signs that a fan clutch is going bad include vibration, excessive fan noise at any speed, bad air conditioner performance at idle or low speed and failure. The viscosity of the fan clutch allows internal friction to occur by moving the molecules against one another thereby causing the fluid to defy flow. When the clutch starts going out, the symptoms, I have always had are grinding going into gear, creeping while the clutch pedal is pushed all the way down. AFC - Air Flow Control. However, you should have it fixed before strain on the system leads to compressor failure. Symptoms of a Bad or Failing Fan Clutch. I lived in an area of Southern California that easily got over 100 degrees (F) in the summer. overheating at highway speeds is not usually a sign of a bad fan clutch. Slippage: This is by far the most common problem. Another issue that comes up is a hard clutch, where the pedal is stiff and won't disengage the clutch. For example, if the trimmer engine is left at idle, but the string keeps spinning and remains engaged, then the clutch may be going bad. The 2006 Nissan Pathfinder has 1 problems reported for premature fan clutch failure. Quickly Checking the Thermostat's Operation. I would not be surprised at all if the noise was the WP bearing. Bad fan clutch symptoms? Another symptom is, if you are running a T5, AND if the clutch is locking up and then letting go, the driveline will pop and clank at around 40mph under trailing throttle. Wait for the engine to cool down to dead cold and start it up; most fans will turn some whenever the engine's running, but they shouldn't be running hard enough to hear from inside the car with the hood shut. It passed with flying colors. Your seized clutch is forcing the fan to spin too fast. Otherwise, it is pretty hard to feel play in it with the belt tensioned up. The fan's efficiently will decrease as the fan clutch ages, and it will eventually not be capable of cooling the engine. As it is responsible for transferring the pressure as well as the hydraulic fluid when the clutch pedal is depressed. As far as I knew, the fan clutch in my car was an original 1984 part. The cooling fan clutch is part of the cooling system that engages or disengages the fan depending on the engine temperature. Symptoms Of A BAD Thermal Fan Clutch. "what symptoms would I experience if my tranny does start to overheat?" In the best case, your overdrive off light would start to flash and/or check engine light would come on. One method of finding a bad connections is to "jiggle" the wires. 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 the noise persists, the release bearing is bad. A stuck fan clutch will cause excessive, unnecessary drag on the engine, which can cause a drop in power , acceleration, and fuel efficiency, sometimes to a quite noticeable degree. A thermal fan clutch is engaged on a cold startup because the fluid drains into the working area when the engine is shut off. Both clutches will do the job but the AC Delco fan clutch will last longer. The numbers on the side of the Actuator are: 19207-11669644 11-84 CAS190 I'm looking around trying to find one so that I can replace it, but using those numbers (11669644 seems to be the part number) I am having trouble tracking one down. 7L and max cooling. The cooling fan is clearly locked up because the truck sounds like a jet at all engine speeds. You can stop any of them even with a good clutch so thats not the part your looking for but if it seems like it doesnt want to stop to the point its scaring you then stop there and rest assured the fan clutch is fine. Over the weekend I replaced (with toyota parts) the fan clutch, thermostat, flushed out the radiator, flushed out the engine coolant and cleaned the front and back side of the radiator. Stuck Clutch or Bad Clutch My original thought was that it was a throwout bearing. Quickly Checking the Thermostat's Operation. How do you know if your fan clutch is bad on a 2002 chevy trailblazer 4wd - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. P0480 CHEVROLET More Information. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. The right way to test it is with a good scanner. One of the obvious symptoms of a faulty cooling fan is engine overheating. This bimetallic coil is connected to a shaft that runs inside the fan clutch assembly. It really can be quite a pain sometimes when it comes to belt noises. It needs a new fan clutch. Water Pump, Fan Clutch, Gaskets and Hardware included. If the cooling fan motors burn out or fail, the cooling fans will be disabled. Auto Enginuity Fan Clutch Testing Do I need to have RPM's at a certain speed or any other binarys that need to be forced to get the clutch to start engaging? In the Actuator tab, I can set the clutch % to any number and the fan never turns. Clutch cables. SLIPPING CLUTCH. Hard Clutch. There are several factors that could result in the compressor's unworkable status. Shorted wire or shorted A/C clutch. Wait for the engine to cool down to dead cold and start it up; most fans will turn some whenever the engine's running, but they shouldn't be running hard enough to hear from inside the car with the hood shut. On most Chrysler cars, the cooling fan relay need to be engaged ahead of power can visit the A/C clutch. Lack of cooling:Check coolant level. (A friend of mine once remarked that she'd never seen an alternator warning light on a car, just a "Battery" light. could have a bad fan clutch to check run engine till wharm sut off turn fan should have resistance. Your vehicle's fan clutch is an often overlooked but important little part—it's responsible for gauging the temperature of the air passing through the radiator and keeping the engine from overheating. I have noticed since I have got the car that my fan has always been quite loud and I never really thought anything of it. This means that the ability to write new posts and access various member features will go away. The sudden loss of power at high speeds in my opinion is as safety concern and gm should recall this defective fan clutch motor. 2 D 4x4 AWD Diesel 4. Well, the fan clutch is temp controlled, so if the coolant, and consequently the air coming thru the radiator is cool, the fan clutch shouldn't lock up. The clutch flywheel is an important part of a vehicle that has a manual transmission. A fan clutch can also fail in a stuck on position where engine power is lost even when the fan is not necessary. Mine did that last year for about a month before I figured out what was going on. Fan Clutch test First, lets discuss what the fan clutch does and why it is there. These are some of the most common symptoms associated with throw-out bearing wear: Odd noises when engaging the clutch pedal. But I have also heard and read if the fan is really hard to move at all that is also a sign the fan clutch is bad. Com 13560+ Best Fan Thestylishnomad. How to inspect cooling fan clutch on 2002 GMC Yukon. My clutch fan was engaged at idle and running fast. I can stop the fan from spinning after the truck is at operating temperature (about 194F) with rolled up paper. symptoms of a bad fan clutch,document about symptoms of a bad fan clutch,download an entire symptoms of a bad fan clutch document onto your computer. Also, when installing a new clutch, clean the flywheel & pressure plate with brake parts cleaner & make sure your hands are clean when handling any clutch component, especially the clutch disc. i've never seen, or rather heard, a fan clutch going bad except for one that's permanently locked up. Regarding your rpms and shifting hard, I don't know what to tell you. A bad fan clutch can affect AC cooling and yet not cause the engine/radiator to run hot. A failing fan clutch could leave you stranded with expensive repair bills, so pay attention to these symptoms. Transverse engines Look carefully for leaks down the back, between the engine and the bulkhead - use a mirror if. then use a timing light to see if and when there is a differencial in speed. The most common symptom of a faulty cooling fan motor are cooling fans that do not come on. have you tried to spin it? should have resistance, if it free spins the most likely the clutch could be bad. So, seems like i got a bad compressor coil. ELECTRIC COOLING FAN CIRCUIT. If it is not tight, re-tighten the center bolt. Traveling on the highway at speed forces PLENTY of air into the radiator and the motor should not get hot during this time with a good or bad fan clutch. Hope this helps. A third failure mode may be of the pressure plate itself, I have had one crack, but springs go bad thru heat/time, the symptoms are the same as for a worn clutch because of the loss of clamp. Poor heat conduction in the head and water jackets can be caused by a buildup of lime deposits or steam pockets (which can result from trapped air pockets). It needs a new fan clutch. Those are the symptoms of a bad fan clutch. BTW, the clutch contains a heat-sensitive coupling fluid. when you've not recently been running the engine), attempt to spin the fan by hand. The sudden loss of power at high speeds in my opinion is as safety concern and gm should recall this defective fan clutch motor. If the EV fan clutch has a condition that warrants replacement, a D TC (Diagnostic Trouble Code) should set and/or Sl diagnostics should lead to the replacement of the fan. I know if you spin the fan and it spins freely the fan clutch is bad. Hope this helps. The fact is that these fans can and will explode regardless of the fan clutch used. Wait for the engine to cool down to dead cold and start it up; most fans will turn some whenever the engine's running, but they shouldn't be running hard enough to hear from inside the car with the hood shut. Yes, that's bad. I think I have a bad fan clutch, and I appreciate any help you can offer. Fortunately fan clutches are easy to change. Regarding your rpms and shifting hard, I don't know what to tell you. I can stop the fan from spinning after the truck is at operating temperature (about 194F) with rolled up paper. If you have a bad fan clutch, it can also cause very poor performance in the vehicle's air conditioning system. This setting is tailored to satisfy the cooling requirements of each make and model. The fan has about 1/4" clearance from the front of the compressor. Sometimes, the problem is internal. , but cooling down when moving on a 70 degree day, I suspect the fan clutch. There are a few key symptoms. Other potentials in this scenario are a jammed linkage or bad master cylinder. If the fan throws the screwdriver back at you, then the clutch is good. 3) My '03 Dmax does it, but no where near as bad as my 91 S10 was as it 'pumps out' in a much shorter time at much lower RPM in the Dmax. Popping the hood with maximum air-conditioning selected often reveals the problem of the car AC clutch not engaging. Symptoms Of A BAD Thermal Fan Clutch. If your clutch cable does break, pull over in the nearest safe spot and call us on 0800 88 77 66. A3: My Miata was exhibiting the same continuous high-pitched squeaking condition with the clutch closed that went away with the clutch open. Radiator should not need to come out. The coil is bad (resistance is out of spec or none existent) Broken Pintle, ball or disc Broken Return Spring Bad Pintle or Ball seat Pintle or Ball seized to the body (Rust etc. What type of symptoms would my ranger exhibit if the drive belt is ready to be replaced. chrysler forum at Car Dealer Forums; anyone have any idea of the symptoms of a bad air/con accumulator › See More:. Maybe the fan clutch is just bad and we need a 4th one,. Sometimes fan clutch replacement requires specialty tools. There are various signs that a string trimmer's clutch is going bad. Apart from leaking, what are the symptoms of the water pump going bad? PeachParts Mercedes-Benz Forum Porsche / My fan clutch was not fine, but I fixed it by. Engine is Overheating. How to Tell if Your Clutch is Going Out All of you die-hard manual transmission fans out there know that at some point, you'll probably have clutch problems. Some of the most common electrical problems are corroded electrical connections, an undercharged or bad battery, or a malfunctioning component: bad neutral safety switch (automatic transmission) bad clutch safety switch (manual transmission) bad starter relay. For example, if the trimmer engine is left at idle, but the string keeps spinning and remains engaged, then the clutch may be going bad. Hot or cold the fan blades should only turn 1/8 -1/4 of a turn maximum when spun by hand. Damn the bad luck? That long drive I wrote about, we had a SES light that gave a code for the fan clutch. My 401 had the same symptoms. Symptoms Of The Bad Fan Clutch Explained In Under 5 MinutesHow To Tell If Your Fan Clutch Is Going BadDoes This Sound Like A Bad… Best Fan In Thestylishnomad. If you experience the opposite reaction in either of these tests, you probably have a bad fan clutch. It spun about 1/4 of a turn, or less. If there is voltage going to the clutch? a cycling switch may be bad, a fuse may be blown and the system may not have enough refrigerant pressure to trip the low pressure cutoff switch that cycles the compressor. I had thought these were symptoms of the fan clutch being bad. Clearly, therefore, the symptoms of a bad throwout bearing would be observable when the clutch pedal is operated. We have a lot of car air conditioning articles posted on the site that aim at getting your mobile cooling unit working again. Yesterday it was fine but this morning I had to clutch several times to put it in gear and change gears. P0467 Purge Flow Sensor Circuit Low Input. My fan does not freewheel at all in order to move it even when cold its has to me turned manually ( it does turn an infinite amount of times with some resistance. However I did not see any check engines to indicate a bad clutch fan. My dealer replaced my fan clutch trying to find a transmission noise-turned out the tranny needed friction plates. from the sound you describe i'd check to make sure your fan isn't scraping against the fan shroud. First off, paying attention to your vehicle is the number one step in an accurate diagnosis and effective repair. The purpose of this Troubleshooting information is to provide a list of common causes to problem symptoms. A fan clutch that is going bad can create one huge sign that something is wrong: overheating of the engine. Other potentials in this scenario are a jammed linkage or bad master cylinder. (you have to find a way to hold the water pump, which is designed to spin, in order to unscrew the fan. Function and Symptoms of A Bad Radiator Cap By Tsukasa Azuma Last updated Feb 2, 2018 0 The Car radiator is mainly responsible for maintaining the ideal temperature of the engine in the vehicle. A while back I posted on here about some AC issues I was having. If the Fan spins excessively, over 3 revolutions, as though there is no resistance it should be replaced. If you think it does, try removing the fan and go for a short drive and see if it shifts the same. Damn the bad luck? That long drive I wrote about, we had a SES light that gave a code for the fan clutch. Hard Clutch. Those are expensive but they will last 20 years. My '09 Ranger 700 XP was running great today after swapping out the fuel pump and cleaning the sensor on Saturday. is this normal or is my fan clutch going bad? engine temp never gets hot though if it is going outwhere's a cheap place to buy a fan clutch? thanks!. Then you may have gears grinding. Now at 42700 miles the fan clutch, the thermostat broken. I know the thermostat and radiator are potential sources, but it seemed like a good idea just to rebuild the entire cooling system. The fan spins for a second or two before stopping once the truck is shut off. Symptoms of bad PTO crank seal Posted by PolarcatJimmy on Thursday, February 16, 2006 12:02 AM I ' m thinking I have a Bad PTO crank seal based on a previous post. The clutch disengages as the air temperature decreases, closing the valve and allowing the silicone fluid to be pumped back into the reservoir. When a leak occurs, it's at the bearing seal, at the. Classic fan clutch going bad symptoms Well when it gets to the above 4/5th (5th being RED LINE) line on the gauge you can hear the clutch full engage, and hear a nice loud roar from the bay (aka fan spinning). Fan clutch bearing failure is pretty rare, so I would be skeptical of the diagnosis. A fan clutch allows the fan to freewheel when ram airflow is greater than the fan induced airflow. Accessibility Help. Former name for GM (only) Data Link Connector, the connector socket into which the scan tool plug is inserted; sometimes used to refer to any pre-OBDII computer signals. Motorcycle Troubleshooting Guide – Four-Stroke Motorcycle Troubleshooting Guide While this Motorcycle Troubleshooting Guide is not a complete guide of every possible cause for each problem listed, it will help assist mechanics in troubleshooting some of the most common difficulties they will face. Cooling System Testing - Jones & Bartlett Learning Cooling System Testing 25 Cooling System Testing • Inspect and test mechanical/electrical fans, fan clutch, fan shroud/ducting, air dams, and fan control devices; perform happen, diagnose the problem and go to step 5 below. Damn the bad luck? That long drive I wrote about, we had a SES light that gave a code for the fan clutch. If you stick in a fresh de-clutching fan hub you'll be able to stick back in the 195 degree thermostat. The most common symptom of a faulty cooling fan motor are cooling fans that do not come on. This will activate the fan clutch. chrysler forum at Car Dealer Forums; anyone have any idea of the symptoms of a bad air/con accumulator › See More:. Signs your clutch is going The clutch is a hugely important part of your vehicle - without it, you'd be unable to change between gears. __ I am deciding between purchasing a remanufactured/new compressor or should i just get a used one?. This bus is due for scheduled service later this month. Fan Speed Sensor Circuit No Signal. If you are unfamiliar with these cars I would take it to a shop that you trust for inspection. com : Car complaints, car problems and defect information. If the power train is subjected to heavy strains on a regular basis, (e. Bad Bearings - At times, you may hear the sounds caused by a vibrating or wobbling fan while you're driving. A while back I posted on here about some AC issues I was having. 6 (20 A) and No. i think its hurting gas mileage a little. Cars, car parts, auctions, stereos, computers, etc. Hard Clutch. A third failure mode may be of the pressure plate itself, I have had one crack, but springs go bad thru heat/time, the symptoms are the same as for a worn clutch because of the loss of clamp. The cooling fan may be commanded ON when the engine is not running under a fan run-on conditions described in the electric cooling fan general description portion of the service manual. To diagnose this problem, set the emergency brake, start the engine and depress the clutch pedal. You have to fan the clutch a lot on a 2-stroke so you'll be well acquainted with clutch adjustments and replacements if you ride a 2-stroke. If you notice that your engine is running at higher temperatures than. Fan Clutch test First, lets discuss what the fan clutch does and why it is there. you have to pull the fan clutch to get to the water pump, and have to unscrew it from the shaft to remove it. The fan might spin slowly, or not at all. If the engine does not stall, the clutch is slipping. Hello Guys, We're working on an M923a1 right now, and the Fan Clutch Actuator is shot. I end up sticking a piece of cardboard between the radiator and condenser to make sure the engine and air coming thru is hot enough. Clutch Fan 32 Answers. The fan spins for a second or two before stopping once the truck is shut off. These fans are not designed to turn at engine speed, even when the fan clutch warms up. Then you may have gears grinding. In looking around online, there are 3 symptoms of a bad fan clutch. BAD Fan Clutch Troubleshooting Case Study (GM 4. Free 2-day shipping. The weird thing is that it seems like the fan clutch is fine but the code appeared when it didn't want to turn off when it should've. If your Dodge Cummins' radiator fan stops freewheeling, it's likely to be a problem with the fan clutch. 0L diesel! This combination of Hayden mechanical fan clutch and BulletProof fan adapter allow you to use a 6. Start the car (cold) with the hood open and note if the fan is turning, increase the engine RPM and note if the fan turns faster and the noise increases, if it does, first good indication, if it does not increase speed/noise, clutch is bad and needs to be replaced. Com 13560+ Best Fan Thestylishnomad. 8 ohms, replace the clutch. Matched set for this vehicles application. How reliable are these clutches on a 3rd gen? What would be the symptoms of a bad clutch? I've also notices the fan been coming on a lot for no reason even when it is relatively cool out with no A/C and not towing (I don't tow anything, remember Sunday truck). My question to all was, in observation of all the fan clutch problems, did this require a recall. i think its hurting gas mileage a little. Yes, a stuck fan-clutch can drive the radiator cooling-fan at full speed all of the time, and the fan noise will then sound like the roar that you are hearing. Fan and Fan Clutch. The Harley-Davidson Road Glide motorcycle is a touring-cruiser model with a wet clutch system supporting a five-speed transmission. If you stick in a fresh de-clutching fan hub you'll be able to stick back in the 195 degree thermostat. A thermal fan clutch is engaged on a cold startup because the fluid drains into the working area when the engine is shut off. It has a sensor that detects temperature around the engine and if it becomes too hot, the clutch engages the fan in motion to produce air that cools down the heat. my clutch fan is GONE! i have 2 electric fans. the OEM one is reliable as can be, mine lasted two years before it gave out, right now I have an autozone fan clutch, and it has held really well, the problem with those, is that you can get a bad one out of the box, has happened to me before as well. A noisy fan clutch can also be the culprit when your car is overheating. The first sign of a fan clutch stuck in the permanently engaged position is a fan that never shuts off. Check the fan. If the clutch slips where it does not fully engage the linkage could be grossly out of adjustment, or the clutch disk could be worn to the point of replacement. 0L fan blade assembly with a mechanical/thermal fan clutch. Transmission Control Module Symptoms You Should be Alert of. P0467 Purge Flow Sensor Circuit Low Input. I had the truck running and turned the defrost on and I hear a clicking like a clutch kicking on and off. Check out free battery charging and engine diagnostic testing while you are in store. At high motor vehicle speeds the ram effect through the air is usually sufficient enough to cool the radiator/condenser core so the fan is not required. 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 the fan continues to rotate after the belt has ceased moving, then it's bad. The fan operates at 100% due to the fan clutch failing resulting in loss of power. I notice the fan is spinning now at all times, from as soon as the engine is started, even if stone cold. you have to pull the fan clutch to get to the water pump, and have to unscrew it from the shaft to remove it. These are the symptoms, runs too hot when going up a steep hill, cools when downshifting into a lower gear and instantly (almost instantly) drops back to normal temp just after the crest of the hill starting down. Overheating when AC on Water pump. Sometimes fan clutch replacement requires specialty tools. Learn about this problem, why it occurs, and how to fix it. Bad Fan Clutch Symptom? I am having a nightmare with the dealer and Ford on this. Another sign that the centrifugal clutch is bad is overheating and loud noises coming from the engine. In my case the relay burned out in november and then the following july the fan itself turned up dead. It the usual wear and tear over the years that may cause the springs in the clutch to corrode or even burn out. i've never seen, or rather heard, a fan clutch going bad except for one that's permanently locked up. Engine overheating; Excessive cooling fan noise; Illumination of the Check Engine Light; Cooling Fan Clutch Related Repair Advice. sled smokes alot when started cold, fuel pours out of exhaust ports , Egt shows 1025 but when i jet down temp stays the same & sled flat @ top end. If the clutch doesn’t engage, the problem could be a blown fuse, an open in the wire to the clutch coil, a bad clutch coil, a poor ground, or a low pressure lockout. It is also common for a fan clutch to lock-up which will cause problems for the water pump, the belt drive, and the engine's horsepower output. What are the symptoms of a bad compressor and clutch?. A clutch can last 50,000 to 100,000 miles (depending on make and model), but clutch service life is greatly affected by stop-and-go city driving, frequent pulling of heavy loads, and "riding the clutch" (resting your. Hot or cold the fan blades should only turn 1/8 -1/4 of a turn maximum when spun by hand. There is a known problem with TCC clutch friction material delamination and that is usually the root cause of the problem (and the source of the "coffee grinds" in the pan). If equipped with a water pump mounted fan, inspect the fan/fan clutch assembly. Fan clutch works from radiator heat, not engine heat, just FYI. there is a clutch that is rpm based and then the one with a spring that reads the temp coming from the radiator. Cooling fans do not come on. This usually affects only 2002 model/year vehicles, but may occur in trucks built from 99-01 if the belt was replaced after July 01. Auto Enginuity Fan Clutch Testing Do I need to have RPM's at a certain speed or any other binarys that need to be forced to get the clutch to start engaging? In the Actuator tab, I can set the clutch % to any number and the fan never turns. As many people have experienced already from these cars (mine being an 06 WRX), my A/C started making a terrible screeching noise. Manufacturers do their best to mask both of these symptoms of a properly operating air-conditioning system. 13 hours ago · These symptoms are normally indicative of either a problem with the cooling system (such as a clogged radiator, a failing water pump, or a bad fan clutch) or an inadequately sized radiator or fan. That is the point of the fluid in the clutch. It the usual wear and tear over the years that may cause the springs in the clutch to corrode or even burn out. Learn about this problem, why it occurs, and how to fix it. Shopsarahmac sells a wide range of items, from dress, electronic, accessories to all another products. The fan clutch is called Visctronic; it's mechanical, mounted to the water pump like earlier versions. The fan easily spins due to the small amount of resistance. If this is necessary it is wise to inspect the clutch, pilot bearing, and rear main engine seal. Damn the bad luck? That long drive I wrote about, we had a SES light that gave a code for the fan clutch. I understand that this new fan clutch may be a HD fan clutch, but regardless it should only be running when necessary. one of these is a bad clutch that makes the fan unable to operate as it should. But the clutch is controlled electrically by a magnetic coil. 0L Ford Powerstroke diesel engine. Radiator should not need to come out. you have to pull the fan clutch to get to the water pump, and have to unscrew it from the shaft to remove it. If an engine needs topping up with fresh oil more than usual, or if you see a pool of oil under the engine where the car has stood, there is an oil leak. The P0325 code relates to the knock sensor on the bank 1 side of your car’s engine. Clutch cables. These parts are designed to work in tight spaces with specific engine and radiator configurations. It the usual wear and tear over the years that may cause the springs in the clutch to corrode or even burn out. Slippage: This is by far the most common problem. A bad water pump bearing will usually cause the water pump to leak and/or make noise, but not always. To properly service your Harley, you must be aware of the location of your clutch cable adjuster. Fan Clutch Failure Symptoms. How to know if my fan clutch is bad Tray Bradford. I have had to replace 2 fan clutches, the first one just failed and would run.