That high number is definitely on the rarer side of things and tends to be for high-end vehicles, but it's not outside the realm of possibility. When the valves aren't open, the two collide and you're going to seriously damage both parts as well as the cylinders themselves. The ticking sound is typically a sound that you'll notice all the time while your engine is running regardless of whether you are speeding up, slowing down, or even just idling. That has to happen across every cylinder of your engine literally thousands of times per minute. get a can of belt dressing from the auto part store and spray it on the belt with the engine running. No humming noise when driving or stepping on the gas pedal. When I did my timing belt I too had MUCH difficulty putting the belt on (very tight), and that was before adjusting the tensioner! That is a interference motor. Other noises can be caused by a number of things, including poorly maintained bearings, weak supporting structures, or rotating or sliding parts. That belt is smooth, it has no teeth on the inside track. Noise. Humming noise. In any case, do the timing belt asap, and worry about the humming noise later. : If you're experiencing rough idling and your vehicle seems to struggle and stutter even when you're just sitting still and not putting any stress on the engine, that could be an indication of a timing belt issue as well. This will cause your engine to jolt and shake on you. Any thoughts? Air Displacement by the teeth on the pulley. 14 Tips, Transmission Will Not Engage in Any Gear: 5 Reasons and Solutions, QQ License Plate Meaning: All You Need To Know. Period. Using a press, slowly press in the push rod.) Hey everyone. If you're not sure, read this article to learn more about timing belt noise and how to tell if yours is the culprit. I don't know the 4cyl's that well, but an idler pulley could be worn, or the new tensioner could be faulty. Sometimes the idler pulleys get noisy if a mechanic doesn't torque it to spec. Two years ago there was a low hum that the dealer said was coming from the belt tensioner pulley, the sound resolved within . If, however, there is a high-pitched whining sound, it might be the new tensioner that is giving trouble. That's why a squealing is more usually associated with this belt. If this happens at all, and that is a rare case to begin with, but if it does happen it should fade away pretty quickly within a few days worth of driving. . Watch this video to see an easy solution to some noise I was having on my Chevy Colorado pickup truck.Belt ten. so i drive for about an hour and i notice this strange noise, like a bad set of bearings. Engine Is shaking alot,long explain, Put new timing belt, car doenst start?help. Resonance frequencies. i love my integra. That doesn't mean every vehicle does however and it's in your best interest to check and see in your owner's manual if you're not sure. If that's the case it will most likely be happening as you are accelerating in your vehicle. : Although there are many reasons that you could end up having your engine not turning over, your timing belt can also play a part in this happening as well. I searched but was unable to find anything. if they have the belt to tight, then yes, some guys like to lever the hydralic auto tensioner alittle just to ensure belt is tight, if done to much then it DEFINITELY will whine. This will go away in about 2K-3k miles, nothing to worry about as long as he replaced the tensioners and of course used a good belt. Install the timing belt tensioner. If any indications of damage or worn bearings are found, replace the tensioner pulley. If you have a new car, or if you just had a new timing belt installed in an old one, the sound you should be hearing when you are driving is relative silence. This will cause your engine to jolt and shake on you. To properly diagnose the problem, you should visit an ASE certified mechanic. As the name suggests, the timing tensioner is what helps keep your timing belt tightly wound around those pulleys that it rotates between. kamrhee. Few weeks back, cam shaft seals blew, so I had to get a timing belt replaced again (old one was sprayed with oil). Generally, a timing belt that goes bad makes a noticeable ticking or clicking timing belt sound that is unusual. It could be chain or belt driven. All Rights Reserved. A serpentine belt noise can also come from a fan belt that has started to dry out. I had the water pump replaced and now there is a whine/whir coming from the timing chain area, they spent an extra day "tracking down" the cause of the noise. Friction between the belt and the pulley. Finally Put The Engine Together And In Car! Jan 4, 2014. ensures that all of this happens exactly when it needs to. How to Tell if Your Car Needs a New Timing Belt. Most timing belts need to be replaced between 60,000 miles and 130,000 miles. Vehicle: 2008 Subaru GRB STI. When the timing belt starts falling the ticking or clicking sound becomes pretty audible. Just don't let it go for too long because if a timing belt fails while you're driving there is literally no time to adapt to the situation. So the solution is to replace the belt. The humming noise could be due to failed trans mounting or improper installation resulting in vibrations being carried into the cabin. While timing belt noise may be difficult to detect, it is an important sign that you need to have your car checked out. When the timing tensioner goes bad, the sound is often the squeal that we mentioned earlier or sometimes even a rattling sound. It is important to maintain your timing belt properly to prevent engine problems and increase fuel efficiency. Shop put in new timing belt after replacing cam shaft seals (old belt was sprayed with oil). When it's wearing out or something's overheating the squealing sound is what you'll hear however it is possible that your timing belt could make that same noise. This will actually save you some serious damage in the long run because your engine isn't already running when it happens, so you won't be subject to that catastrophic engine failure and massive repair bills. The following article provides an overview of the symptoms that will alert you to timing belt issues and help you decide if your cars timing belt is broken. If you have a new car, or if you just had a new timing belt installed in an old one, the sound you should be hearing when you are driving is relative silence. Sure its not accessory belt or AC clutch? if the sound comes from below, the harmonic Balancer and all belts need to come out. But at lower speeds, 30-45 mph the humming sound came back. My mechanic says maybe the timing belt tensioner . You'll be able to drive with a bad timing belt right up until you can't. Hi, this could be because the cam timing is a notch or 2 out. It can also be a sign of poor lubrication. If your belt was too tight, no worries, it'll quiet down soon. A combustion engine relies on very precise timing for it to work. Well now it sounds like a moped going down the road. Nov 25, 2019. If the timing gets misaligned then your spark won't be happening exactly when it needs to, and you're going to get a misfire in one or more cylinders. If you are driving down the highway at a high rate of speed, you could be in a seriously dangerous situation if this happens. Chains often last 500k or life of car compared to belts that need replacement at 60-105k. 3. A combustion engine relies on very precise timing for it to work. If someone tells you that a whine is acceptable after a cambelt change, never use them again. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. He stated that the drive belt gets worn and exposes a painted serial number. I always went back and reduced the tension to fix it. A bad timing tensioner will mean that your timing belt is not able to maintain the precise timing that your engine requires and you'll get all the symptoms of a bad timing belt, even though your timing belt is still working properly. [thumbd] (BS). Still, it's a good idea to fix them as soon as possible. If you notice the noise after a new timing belt, its time to visit your mechanic. They are by no means the only causes of noise but. The car drives well after timing belt change, but I hear some noise now (which was not there before I got my timing belt changed). If you hear something that's like a bit of a high . Copyright 1999 - 2019, North American Subaru Impreza Owners Club, Inc. New timing belt, water pump, and tensioner but NO HEAT. Timing belts are used in engines and mechanical systems to connect mechanical components together such as motors and cams. after i did mine i did get a whine its normal because its still fresh and unstreched and whatnot. Thanks guys. Oil pressure is good and the previous owner replaced timing belt and tensioner. But if your belt has been replaced more recently than that and it should still be working, then you may have a problem with your. If the noise goes away temporarily, that's it. The local garage said about 300 to . Vibrations in the steering wheel. A rattling or scraping sound indicates a bad timing chain. Goodyear's Eagle timing belt design has shown a 19 dB reduction . And that's how you know if there is a problem with your timing belt because the sounds it makes only happen when something is wrong. Open the hood and remove the serpentine belt. I hope he doesnt expect me to pay considering the job wasnt done right Last time I changed my water pump and timing belt, I heard a humming noise too. The Service Brake Assist message may be displayed or the ABS MIL or Service Engine Soon MIL may be . As we've seen, your engine has to fire at a very precise time for everything to work properly. One other thing to be aware of is that if your timing belt isn't that old, which is to say it has been replaced within the last, , then you may have another problem that you need to look at. A stethoscope probe can be placed on the cover for a more precise diagnosis. Just for anyone's information, I phoned Arnold Clark and an independent garage and both quoted 90,000 miles or 6 years old before timing belt needs replaced on my 1.5 diesel automatic Captur. check your power steering fluid level, and if that's fine, go to the parts store and get a can of CRC Belt Dressing. I have put about 500 miles on the car since the belt was changed and the sound is still there. 29 people reported this problem 3 comments. It will likely be quiet enough to hear the normal hum of the engine. While I didn't have a problem with torque specs, I had a similar sound with mine after I replaced the timing belt and it was due to inadequate clearance between the pulley and engine block/oil pump housing. So the valve cover and upper timing cover must come out. If this happens at all, and that is a rare case to begin with, but if it does happen it should fade away pretty quickly within a few days worth of driving. You have a valve that has to open to accommodate it as it rises. Its been giving me this humming noise for a while now (500+ miles). Depending on the kind of engine you have, and unfortunately most engines work this way, when your timing belt breaks your camshaft will stop rotating. Don't leave it up to chance, get it to a mechanic when you hear those sounds. When the timing belt wears out, it can cause a ticking or clicking sound to emanate from the engine. . Fortunately with the Rav there is no problem with engine sludging if you change the oil regularly. Timing belt replacement is often a very costly and time-consuming job. 1. The latter may be slipping on the dry pivot point. Oct 21, 2021. Depending on the make and model of your vehicle at timing belt repair could end up costing you between $500 and $2,000. If your timing belt has begun to slip, theres a good chance that you have a problem. If your timing belt is not properly tensioned it will not keep the valves . Quote: Originally Posted by gopsu. Did you also have them change all the tensioners? When they clog up your oil pan is going to reduce your oil pressure overall, which can also cause your engine to overheat. Just changed the TB on my daughter's 2003 Jetta @ 300K km. A metallic slapping noise will indicate a loose timing chain. Smoke after starting the vehicle's engine If you hear this noise, your car is probably experiencing a timing belt problem. When the valves aren't open, the two collide and you're going to seriously damage both parts as well as the cylinders themselves. So I was driving today and noticed a small but annoying rattling/ buzzing noise coming from the passenger side door area. When your timing belt goes bad, all of this timing is thrown off and your engine can suffer poor fuel economy, misfires, and if it gets bad enough your engine will break down entirely. Uneven wear at the rear of the old timing belt could indicate a misalignment between the tension pulley and timing belt due to worn bearings. The timing belt ensures that all of this happens exactly when it needs to. Increasing humming noises as acceleration increases. Ill have it fixed ASAP. In addition to the noise, driving with a broken timing belt can cause irreversible damage. The problem is not always as obvious as a noise from the engine. If your timing belt has snapped, you will not be able to get your engine to start at all because the parts within it are no longer able to move together. 1 Water Pump Aisin OE 16100-29085. www.ebay.com. All accessory equipment is operating normally (A/C, alternator and water pump. This will actually save you some serious damage in the long run because your engine isn't already running when it happens, so you won't be subject to that catastrophic engine failure and massive repair bills. 191. Our technicians tell us the range of the adjuster may be lengthened by elongating the slot where the spring attaches by 2-3 mm to remedy this problem. It should go away after several days of driving. This is what happens in what is known as an interference engine. which they charged me extra cuz of the PC. Your best bet is to check your owner's manual to find out for sure. Since it rotates at such a very high rate of speed, when these teeth aren't clicking in properly along the pulleys, you're going to hear that distinctive ticking noise. They are: Impact of the belt teeth on the pulley. Depending on the kind of engine you have, and unfortunately most engines work this way, when your timing belt breaks your camshaft will stop rotating. But if your belt has been replaced more recently than that and it should still be working, then you may have a problem with your timing tensioner rather than the belt itself. There are 4. common causes for belt noise. This can't happen on Startup sometimes with a weak timing belt that, at the moment you press the ignition button or turn the key, the strain of trying to turn the engine over causes an already damaged timing belt to break. A bad tensioner will usually be accompanied by noise. It might also be caused by a worn idler pulley or contaminated fluid. Some other component in there is worn out and making the noise. That's why you need to be on the lookout for signs that there's a problem with your timing belt. Nov 17, 2005. If you hear this noise, you need to check it immediately, because it can lead to a costly repair. Its pretty annoying since I was in love with how quiet the car was at 80mph. Some of the noise you hear from your timing chain is caused by friction between the teeth of the timing belt and the pulley. A timing belt is essential to the operation of a cars engine. When it's wearing out or something's overheating the squealing sound is what you'll hear however it is possible that your timing belt could make that same noise. 8-9k miles I started noticing a noise from behind the timing belt cover that sounded suspiciously like a timing belt idler bearing that had gon. You have fuel injectors sprayinga fuel and air mixture into the chamber at the exact right time for the spark plugs to ignite it and cause an explosion which pushes the piston back down again. Loud noise like hole in muffler when shifting into 1,2 and 3. . In most cases, it's easiest to release and reset the timing belt's tensioner instead of trying to figure out whether or not the right amount of tension's . #1. In a proper repair, you shouldn't hear any crappy noise from that part of the engine, period. If youre worried that your car has a broken timing belt, youre not alone. Buzzing Noise at Right Front Wheel. JavaScript is disabled. 1 Tensioner Roller Koyo OE 13505-62060. It did NOT whine before I brought it in. You have a piston rising in a cylinder. SOURCE: Cold engine knock after timing belt and water pump replaced. . A failing bad timing belt sounds like a ticking noise in front of your car when it . You'll hear the normal hum of any engine, but the timing belt itself should run entirely silently. If, however, there is a high-pitched whining sound, it might be the new tensioner that is giving trouble. it seems to come from the timing belt/ driver side of the motor. Does a New Timing Belt Make Noise? It on. Set the tension. hey guys, new to the forum but glad to be here. While it may seem tempting to continue driving, it is important to prevent further damage by checking the noise that your car makes when the belt is broken. Start the engine again and see if there is a noise. If a VQ is suffering from the Service Bulletin, it will be a very loud whine noise, as the cam-chain has worn down the tensioner block and the backside of the chain if rubbing on the metal plunger of the tensioner. Regardless of whether or not it's the tensioner or the belt itself, a mechanic is going to need to inspect the area and determine for sure which one it is that's failing and will need to be fixed. It'll be different from the ticking sound however, which is exclusively caused by those teeth wearing down that we mentioned. I replaced the water pump then drove the car the around for a bit and everything seemed fine. It was pretty quiet, but constant (tik, tik, tik). The consent submitted will only be used for data processing originating from this website. That doesn't mean every vehicle does however and it's in your best interest to check and see in your owner's manual if you're not sure. too tight will wear out all the bearings; get it right or you'll seize something up and be in sad shape! A metallic slapping noise is another sign of a bad timing belt. For a better experience, please enable JavaScript in your browser before proceeding. It has way more power. The first thing I noticed after I got the car back was that there is a faint humming noise coming from the engine bay that gradually increases with speed from 40mph+. Citrus Heights, California. This is the second TB change I have done on this car, and I have done several other A4s so I'm familiar with the procedure. Additionally, you may also notice a squealing sound. About how long does it take for the belt to 'break-in'? but i could still hear the sound . If your timing belt has snapped, you will not be able to get your engine to start at all because the parts within it are no longer able to move together. The teeth they use for this are meant to grip and move smoothly, but if the timing belt starts to wear out, it may create a repetitive clicking or ticking sound coming from inside the engine. The moment that a timing belt breaks when a car is in motion the engine will cease functioning right away. Also, when your timing belt is loose, it will cause some drivability issues usually under high load or high rpm. This sound is a sign of low oil pressure. Consider all the moving parts in your engine and how they work together. With a piece of tubing I have been able to eliminate the power steering pulley, alternator pulley and both the intake and exhaust sprockets. This issue is typically found on the 2000 to 2004 Subaru Outback and Subaru Legacy. breaks your engine will shut down, often in a very catastrophically bad way. Here is the usual situation someone replaces the belts, or the timing belt or the alternator and almost instantly the power steering pump starts to make noise and the car can be hard to . As the belt slips away from the gears, the teeth could wear off and get stuck in the gears. start it and then spray the dressing on the flat side of the accessory belt right between the upper front most pulley (Power Steering) and the tensioner. (b. Align the holes of the push rod and housing pass a set pin through the holes to keep the setting position of the push rod.) rather than timing belts these days. Engine Won't Turn Over: Although there are many reasons that you could end up having your engine not turning over, your timing belt can also play a part in this happening as well. 6. A droning sort of humming sound emanating from underneath the cylinder head cover(s) is a good sign that the same guy who overtightened your alternator belt installed that timing belt. I have already replaced the idler pulley, tensioner pulley and serpentine belt. If you have a new car, or if you just had a new. As it spins the pistons will rise and crash into the valves which are no longer able to open to accommodate them. After a comprehensive timing belt and associated parts overhaul I now have a humming sound coming from one of the belts or pulleys. Some folks seem to like the turbo humming sound. OK - we have a definite solution :thumbs_up: Rav 4 World is the internet's largest Toyota Rav4 SUV and EV online forum community. NOW INCLUDES GENUINE TOYOTA OIL FILTER. The humming noise results from increased strain due to a faulty wheel bearing. Noise appears to go away when you rev the motor over 2 grand. My problem was my turbo. In fact, in a 4-cylinder engine your spark plugs are going to spark 12,000 times every minute. any special tools required? You'll hear the normal hum of any engine, but the timing belt itself should run entirely silently. Dealerships are just franchises, using the car company name. When your vehicle gets a new timing belt, there will be relative silence. any issue of driving with TB too tight in the long run? Replace Your Tires My chevy traverse needed a new timing chain. Also i have a auto tensioner so its not over tightened First time, I had local dealer do my timing belt (plus idler, water pump, etc), but it did not make any whining noise earlier this year. As the name suggests, the timing tensioner is what helps keep your timing belt tightly wound around those pulleys that it rotates between. Yes, understood - I am asking if timing belt itself can generate whining noise. 5. Your best bet is to check your owner's manual to find out for sure. :thumbsdow Consider all the moving parts in your engine and how they work together. Rod bearings make more noise at the oil plan more so than anywhere else, so you'll want to listen for audible changes in that area. If the timing gets misaligned then your spark won't be happening exactly when it needs to, and you're going to get a misfire in one or more cylinders. #1. G. It links the crankshaft to the camshaft, which opens and closes the valves in the engine. If the tensioner has no oil pressure, the belt will become loose and possibly disengage from the pulleys and/or break. I hate to say it but I don't run the upper timing cover anymore because mine isn't in the best shape causing the movement. Sounded badass to me but I knew it wasn't supposed to be that way so I got it fixed. We and our partners use cookies to Store and/or access information on a device. I have an 03 b6, 3.0. The first thing I noticed after I got the car back was that there is a faint humming noise coming from the engine bay that gradually increases with speed from 40mph+. When they clog up your oil pan is going to reduce your oil pressure overall, which can also cause your engine to overheat. RAV4.1 First Generation (1994-2000 Models), The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada, rav4world.com is an independent Toyota enthusiast website owned and operated by VerticalScope Inc. Just run an experiment. I got everything installed and it runs great, however I hear a faint whirring noise at low RPM. I installed the Aisin kit, a genuine one from a reputable retailer, along with a new Honda branded passenger side engine mount, and used all new bolts for the timing belt tensioner and new bolts for the pulleys. onlysilent.com is a participant in the Amazon Services Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. [2] This noise could be some type of squealing or rattling coming from the timing cover area. on September 19, 2016. This is what happens in what is known as an interference engine. Many modern vehicles use timing chains rather than timing belts these days. Beaverton, Oregon. Car started up no problem. they are a good starting point. Pending on design of motor, when a belt/ chain breaks it could destroy the engine, IE piston hits valve.