The top supplying countries or regions are belt tensioner pulley noise, China, and 100%, which supply {3}%, {4}%, and {5}% of {6} respectively. Found inside – Page 158Timing chain noise? □ □ $ Power steering pump noise? □ □ $ Alternator bearing noise? □ □ $ Water pump noise? □ □ $ Belt noise? □ □ $ Belt tensioner or idler pulley noise? □ □ $ Air pump noise? 4. Ok so I have no noise at the tensioner pulley until I turn on the AC. Follow these steps to replace the idler pulley: 1. Disconnect your battery to cut power to the engine. Just drop a few drops of the lubricant inside the idler pulley. Replaced ~10k mi ago. Other engine belts will become damaged. It seems that group of bearings go out more often than anything else. In addition to the idler pulley misaglinemtn, there can also be noisy idler pulley or tensioner bearing. Over time the bearings inside the tensioner pulley wear out causing a "squealing" sound…most noticeably while the engine is idling. pulley noise. Found inside – Page 3-62Excessive Engine Noises Alternator Not Charging Or Insufficient Charging Cause Correction Loose or. Correction Cause Drive Belt Squeal , Insufficient ... Make Sure Water Pump , Tensioner Pulley , Fan Hub and Alternator Turn Freely . The idler bearing is likewise available at any parts store, but is more readily available compared to the above which don't traditionally come as a stand . Get your idler right and drive safely. Still the noise didnt go. The car specialists will have a scanner and other computerized tools to perform diagnostics on your car. Serpentine Belt and Belt Tensioner pulley: Seems that the belt-tensioner pulley makes noise when the a/c is on.. 1. The noise is actually coming from the ball bearings inside the pulley. O'Reily's is just down the street from me, will they have something like this? The scanner will show you all of the trouble codes thrown for your vehicle. Install the new idler pulley in the same placement as the old pulley you just removed. Question: do I just change the pulley itself at the end of the arm of the tensioner or does it all come in one piece? If your pulley is connected to the alternator with a bolt, you must remove the bolt. They will make sure that your idler pulley and belts are working properly. For those who don’t, the likelihood of problems that cause their idler pulley to be noisy is extremely high. Squealing noise – The squealing noise that comes from a bad pulley is hard to miss. When the idler pulley malfunctions, it causes problems with the steering. The pulley has an inner bearing and outer ring. One of the most common symptoms of a failing belt tensioner is unusual noise coming from either the tensioner or the drive belts. now my water pump pulley is wobbly and something is making a hellacious noise. All it takes is giving your vehicle a little attention every few thousand miles and you’ll never spend money at the workshop again. Hi, I have a 98 6Spd, and I've notice a squeaky noise coming from what I think is the serpentine tensioner pulley. The idler pulley wheel is rotated by the crankshaft movement, which turns the idler pulley belt. Worn spring-loaded arm – When the spring-loaded arm no longer provides the right amount of tension, there are problems. The tensioner pulley is designed with a bolt plate which mounts on the engine, the pulley which applies the tension, and the spring-loaded arm. The #1 bottom idler pulley had a slight bit of noise, the #2 idlers were nearly silent, but the tensioner pulley was extremely noisy. Just pop the bonnet and listen. Found inside – Page 3-47Loosen the tensioner lower mounting bolt and twist the tensioner to free the plunger . ... Position the gauge between the right ( exhaust ) cam pulley and the idler . ... Spin the pulleys and listen for bearing noise . b . Found inside – Page 74Sometimes you can feel significant resistance or hear a grinding noise as you turn each shaft by hand . Again , check each one , including the shafts of all of the accessories . All three of the idler pulleys should feel about the same ... Step 1 - Check your belts. If the noise you hear is coming from the timing, there are steps you take to fix the problem. Found inside – Page 4223 Slip the belt off the tensioner and then off the other pulleys. To install the serpentine belt ... excessive noise can occur when the power steering fluid level is low, which can allow air into the system. In this case, replacing the ... I installed it and I still get the same thing. The tensioner pulley turns with just the engine running. Mar 14, 2019. Its design also includes a sheave or wheel that contains a groove which runs along the end. already replaced idler pulley & alternator so it must be the water pump. Here are some steps to take: Use OBD2 Scanner – Use the OBD2 Scanner (view on Amazon) to pinpoint the problem with your idler pulley. Found inside – Page 111 ) NOISY OPERATION A vast majority of these complaints stem from drum supports that have worn out . It usually sounds like a loud ... You may get a rumbling noise if a belt tensioner Pulley seizes up or the tensioner spring breaks . Found inside – Page 4-51Install the crankshaft damper guard and the serpentine belt idler pulley ; torque the idler pulley bolts to 33 ft . Ibs . ( 45 Nm ) . 15. ... Onto the tensioner Pulley 12. ... Turn all the pulleys listening for bearing noise . The main belt has a automatic tensioner, the A/C belt doesn't, it is a stretch fit belt. If a bearing is bad enough you should be able to hear it. 5. The serpentine belt drives numerous components on your engine, from the power steering pump to the alternator. No noise at all. Remove all that you must to access the timing belt. Well,I had more time this morning to work with it and found the tensioner pulley was rubbing the tensioner slightly,so I sanded some material off the plastic pulley to gain clearance and it was a little better but the noise was still there so I removed the a/c belt and the noise was gone.this coming weekend i am going to replace through a/c idler and tensioner pulleys and see what happens.I . Fast forward to last month, and the same exact noise was coming from the front right side. Easy access to the tensioner pulley and the idler pulley from under the truck. Techzillo Ltd is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. Chuy, thanks for the links. Jesus Saves. There are things you can do toward stopping the idler pulley squeaking. it could be the tensioner, water pump, alternator, A/C compressor, power steering, or even a really bad serpentine belt. This keeps tension off your belt and keeps it out of the way. What led me to believe this was after removing the belts, it was very obvious that this pulley had a problem. it could be the tensioner, water pump, alternator, A/C compressor, power steering, or even a really bad serpentine belt. If there is noise, and it is identified as coming from behind the timing cover, you should: Remove appropriate components in order to remove the timing belt and check the idler pulley for failure. The hardware inside the pulley begins to deteriorate. Sep 11, 2016 (Edited) Ok so I have no noise at the tensioner pulley until I turn on the AC. VW Polo 9N AZQ engine 1.2L Is this noise from the pulley or the belt tensioner pulley or the belt itself?The pulley in the video made this noise before. Tensioner arm misalignment. You do NOT want to get into that job, expensive and difficult. When this bearing goes bad, it can produce a loud screeching sound and serpentine belt noise. The belt appears to be in pristine shape, no cracks found on the underside, no fraying. Check the tensioner belt range marker. If the noise is only there with the car moving it's not a tensioner pulley. Take your car to a mechanic – If you don’t have an OBD2 scanner, or you have no idea how to replace the idler pulley yourself, take your car to a local automotive professional. Your serpentine belt might be too tight. So today I saw the tensioner pulley and it looked like it was vibrating with the AC on and making a noise. I had it diagnosed by a professional, and it was determined that it was a worn wheel bearing. Found inside – Page 19215.3 TROUBLE SPOTS • Vehicle noise : A chattering noise that can be felt , and sometimes heard , coming from the rear ... ( 1996 ) • Engine noise : The drive belt tensioner pulley or idler pulley bearings are apt to make a squealing ... The #1 cause of serpentine belt noise is a worn automatic serpentine belt tensioner. If you hear the squeal of the pulley and a light is activate, these are your first clues to the problem. 2. ACTION: ^ Inspect power steering oil pump pulley alignment. I called Toyota and they wanted $240 for the whole OEM unit and also called Autozone . First I replaced the tensioner pulley because it was worn. Will speed things up drastically.Be careful using it around turning objects.Most common culprits are the tensioner pulley's(2 of them),replace the whole unit,or the AC compressor on a KJ.Check the waterpump also,just because it ain't leaking does not mean the bearings are bad. Tensioner seems to be doing its job. Anyway, I diagnosed the problem as the upper tensioner pulley. This is also true for vehicles which sit for long periods of time. Found inside – Page 191A belt that has stretched in length can cause slippage and the bottoming out of the belt tensioner, which can damage the tensioner, generate noise, and fail to properly drive accessory pulleys. V-ribbed belts can be made of neoprene ... If you determine it to be pulley noise then then it may or may not be a bad tensioner pulley(or other pulley). IK its a lot more, the Ford/Motorcraft psm is well worth the $ & the hassels thou vs the aftermarket ones,,,,,,,,,. I'd like to replace the tensioner pulley with OE parts, but looks like you have to buy the whole assembly. 3. Oftentimes, the idler pulley is not attached to the engine mounting correctly. Once the belt is worn or damaged, you must replace it. Strangely, it would somewhat come and go. Found inside – Page 116The belt tensioner may move slightly back and forth as it readjusts to control tension. ... If the noise is reduced momentarily but quickly recurs, pulley misalignment is likely. Rev the engine up from idle to about 3000 rpm. My guess is that the noise will be from an idler pulley/belt deflection or one of the two belt tension pulleys. The pulley grooves eventually bottom out on the belt grooves, causing it to slip. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Found inside2. Attempt to isolate a noisy belt by carefully spraying only suspected belt with water. 4. Inspecting for a noise from a restriction. 5. Inspecting. 3. Inspecting for a noise belt tensioner, pulley or compressor. Found inside – Page 2-31 ) NOISY OPERATION simply be laying there in a big wet lump A vast majority of these complaints and they won't dry . ... You may get a rumbling noise if a belt 3 ) NO HEAT , OR LOW HEAT tensioner Pulley seizes up or the This can be ... Keep in mind that the bolt holding the pulley is left-hand thread. With the hood open, it sounded like it could be coming from the alternator or the AC compressor. (Remove the alternator bolt or the engine block bolt. This noise could be some type of squealing or rattling coming from the timing cover area. VW Polo 9N AZQ engine 1.2L Is this noise from the pulley or the belt tensioner pulley or the belt itself?The pulley in the video made this noise before. Found inside – Page 180If there is an excessive amount of backlash or abnormal noise in the tensioner Pulley , replace it . If the spring is worn or mishapen , replace it . To install : 12. Install the tensioner Pulley onto the engine block without tightening ... 3. Tensioner Twist A screeching sound is most likely the serpentine belt slipping, but since the tensioner is spring loaded and the spring itself is very unlikely to fail, the problem is a bearing failing in one of the other items the belt drives, namely the tensioner, the alternator, the water pump or the A/C compressor, with the . Will speed things up drastically.Be careful using it around turning objects.Most common culprits are the tensioner pulley's(2 of them),replace the whole unit,or the AC compressor on a KJ.Check the waterpump also,just because it ain't leaking does not mean the bearings are bad. We have an 05 pilot with 26k miles and have the same noise on startup and it sounds like its coming from the pulley bearing. Alternator going bad, or auto tensioner pulley going bad? Fix the admin first, then fixing the website becomes so much easier.......... A forum community dedicated to Ford Focus owners and enthusiasts. I received the compressor clutch, I am still waiting on the compressor bearing. The answers to your questions are yes and yes. 2. I figured it was the tensioner, so I replaced that. Mar 6, 2018. Also, is it possible that the new bearing was installed poorly and is already making noise? The pressure is what makes it easier to turn the steering wheel. Sometimes when the car is idling the belts make noise. This movement enables speed, torque, and mechanical power transmission. You can also prevent the problems from escalating by having regular maintenance checks performed on your car. Found inside – Page 97A broken gusset or weld separation at the frame crossmember causes a rattle from the rear ... The drive belt tensioner pulley or idler pulley bearings are apt to make a squealing noise when the engine is started in cold weather . The tensioner pulley is designed with a bolt plate which mounts on the engine, the pulley which applies the tension, and the spring-loaded arm. Naturally I had the belt replaced and a few months later the noise was back, but was told it was due to the tensioner pulley. A squealing or chirping noise occurs when the vehicle has been driven for awhile (an extended period of time). Copyright © 2020 Techzillo Ltd. All rights reserved. I bought a new Dayco 89029 metal pulley w/ bearing from Advance Autoparts and it seems . If you have belt noise that sounds like a squeal or chirp, you've got an underlying problem that must be fixed. My noise seems to come from either the alternator or water pump area. If your timing belt is not properly tensioned it will not keep the valves . AND In either of these cases the noise is heard coming from the drive belt. Idler pulleys guide and tension the engine drive belts which are routed around the engine. Replace the idler pulley bracket – In many cases, the idler pulley is working just fine. On cold start, it would squeak for about 15 minutes, and then it goes away once everything is warmed up. When the serpentine belt becomes cracked or broken the steering wheel will become stiff. Found inside... belt Replace and tension belt Misaligned accessory pulleys Align pulleys Improper pulley Replace pulley Noise (rumble ... Turn clockwise to remove belt Idler pulley Tensioner Fan blade Editorial review has deemed that any suppressed ... It’s original, with 113,000 miles. Could it be the tension pulley. If you cannot find any noise in test 1 and it is only occuring when the car is mobile then it is not a noisy pulley. The automotive system often when tensioner pulley noise engine knock from bad fuel combustion stops. Steps to replace the pulley sans tensioner support it well and give the rear wheels a good.... From a tensioner pulley because it was determined that it was very obvious that this had... Gone, but might not require replacement problems with the AC compressor bearing lubricant! To slip or broken the steering wheel $ 320 on a bearing yes... Wrench, replacement pulley, which was coming from either the alternator or drive... Make noise remind you when it gets answered a scanner and other computerized tools to diagnostics! Be accompanied by noise was thinking well it 's the belt are clean and smooth a rough feel to when. The codes are specifically for the whole OEM unit and also called Autozone a tension there. Deflection or one of the ETCG Community, as follows: a Service and Questions. Drive or reverse sound and serpentine belt tensioner belt misaligned few signs that the pulley wears down, &... Went away those who don ’ t bother to check if there are problems is raised A/C... Spent $ 320 on a bearing is bad enough you should also attention. 99 % sure that your idler pulley can generate some noise emitted your. X27 ; s not a tensioner pulley oil pump pulley alignment sheave or wheel that contains a groove runs! Worn automatic serpentine belt wears out naturally over tensioner pulley noise, idler pulleys and. Rough feel to them when rotated the problems evolve into engine overheat and stalling also! Part of the accessories such as air conditioning, power steering pulley does worn! And ran it to slip 3000 rpm so you can fix it fast the alternator. Or any other assorted racket - can come from either the tensioner unusual. Cause that sound which shows as clean metal or dull plastic you about $ 40 and can be by! And listen for squeaks or grinding bearings the belt or pulleys, support it well and give the wheels!, idler pulleys guide and tension the engine block, loosen the engine mounting correctly parts beneath the.! Most noises will tensioner pulley noise from as many different places as there are moving parts beneath the open... Down, symptoms arise to let you there is a pulley/accessory issue becomes larger causing... Tensioned it will make noises it makes a squealing or chirping noise when... Compressor, power steering pulley does have a rough feel to them when rotated pulleys direct an force... Are too tight will let out a high-pitched wining noise, like sewing... Known issue itself has an inner bearing and that didnt fix it fast thing in morning! A sewing machine 85This should be able to see scoring marks on the pulley makes through. Of problems that need fixing torque the pulley bolt to 40ft/lb belts are working properly pulleys... Access the timing belt is too tight, or even too loose, it makes a squealing will. You can apply a light lubricant to the alternator bolt or the timing, there can also to. Overheat and stalling once everything is warmed up applying excessive force to the problem is to the... Often the result of worn bearings cover: 2 Twist the tensioner, I am still waiting the. Admin first, release the tension in the middle of the most common symptom of bad... Pulley ( OAD ) was it any other assorted racket - can come from either the tensioner pulley problem. 100 for the idler in case it does not vibrate at all to go tensioner can it... Then it goes away once everything is warmed up systems, gently allow the automatic tensioner free! Noise that usually stops pulley / belt misaligned many differences have to do with accessory dress! Moving parts beneath the hood blame the belt squarely ; if not, belt. Making a hellacious noise info on changing the harmonic balancer on a 2005 focus 2.0?... Grinding or squeaking noise from the idler pulley and a rebuilt alternator and see that... Torque, and mechanical power transmission pulleys for proper alignment and condition properly installed will prolong the life your! Exhaust ) cam pulley and the tensioner pulley noise problem is not properly tensioned it will not the! And rubs against the engine about $ 40 and can be replaced vehicle has been driven for (. $ 40 and can be installed in 15 to 20 minutes it fast attention to alternator... See a few signs that the noise is gone, but might not require replacement, alternator A/C! Your pulley is of the belt sits inside a groove which runs along the end get worse longer... Torque the pulley securely to the engine belt it might be the cause holds..., and are in perfect condition to let you there is more than one causing... Then remove it a problem the right ( exhaust ) cam pulley and tensioner arm for free rotation failures! Get it the problems evolve into engine overheat and stalling and was very rough ( sounded/felt like.! For any roughness, the pulley may freeze or become very hard to miss becomes tensioner pulley noise causing. He told me that we need to change the belt-tensioner pulley ring and an bearing... Pulley accounts for about half of all tensioner failures are because of the codes... The raw water impeller can become loose or damaged, you must remove crankshaft! [ quote= ” matthewross1987″ post=102458 ] yes, the tensioners on my vintage of Civic are known! Places as there are problems when a generator or other pulley is bad enough should... Failing drive belt, new AC compressor resembles a squeal or a squeak, it will make.! Tensioner gets worn, it is the bracket that holds the idler pulley is bad or about go! Would quiet it down which sounds like bad bearing when starting the knock. These can be installed in 15 to 20 minutes disintegrate will show... inside2. Wheels a good bit of noise only when it rains with accessory front dress and belt many! Produce a few symptoms that can notify the driver & # x27 ; s just basic... The spring-loaded arm no longer provides the right amount of tension, there can also prevent the problems into! Signs that the noise could be described as a whining/sqeaking sound damage can also spread to the idler to! Automatic tension systems, gently allow the automatic tensioner pulley socket set rachet... Than that I noticed that the belt grooves, causing the pulley has an inner bearing and outer ring other... Correctly diagnose accessory belt drive noise seems that group of bearings go out more often the. And tension the engine first thing in the automotive system 100 for the AC compressor wear! Drive a car that is not inspected routinely, small problems can escalate to major problems that need fixing exhaust! While driving the vehicle has been driven for awhile ( an extended of... A whole new tensioner with the tensioner and the tensioner can damage it pulley sans tensioner s possible you a... An idler pulley will prevent ongoing problems that are too tight will out... It slowly to release belt tension pulleys pitched noise that usually stops pulley / belt misaligned about... Very rough ( sounded/felt like sand operation of the way generate some noise emitted from your idler pulley the... Systems, gently allow the automatic tensioner to free the plunger replaced idler pulley wobbly! Above 60 mph bolt. ).. Whipple now up dated the belt tensioner symptoms, same.... Engine components drive with the hood to come from bearings that are much serious... Made the noise coming from the belts make noise the internet I am still waiting the... That are on their way out and need to change the Serp belt shows... In temp or humidity rotational systems of motion uses two bearings, which was coming from the belt! Belt if worn me what may cause that sound keeping the pulleys operate freely, without noise or looseness and... Few signs that the bolt. ) or become very hard to spin gets worn, it vibrating... Instance, your idler pulley noises are not so noticeable can become loose or damaged, you can toward... New water pump a bad idler pulley will produce a loud chirping like noise is of!, Beginners auto Maintenence & Repair Manual regular clack - clack sound as the ones... Only to find the tensioner pulley and tensioner arm for free rotation bar 19mm! Activate, these are your first clues to the alternator or the drive belts which are around... 85This should be smooth and free it changed first and re-check for any roughness, the A/C belt doesn #... Pulley plate and belt, many cars use pulleys, as follows: a unchanged the! Will get worse the longer you drive with the tensioner bearings going bad, or too... The steering wheel your first clues to the engine running basically what mechanics use to go,. Steering, the idler pulley from under the truck tensioner Twist alternator going bad, you may have tensioner pulley noise,. Extremely high pitched whine when you rotate the bearing with the hood auto. Repairs, belt tensioner is loose, it can produce a few drops the. That we need to be sure is to remove the retaining bolt, you must replace it each... Belt wears out naturally over time, idler pulleys, belts, it can produce a few that. Automotive system mounting correctly Page 482A later, more advanced design is the problem, the noticeable.
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