Diagnosing Misalignment and Belt Noise July 30, 2014 at 10:54am. they said the oil change I got 2 weeks prior may have had the wrong filter and/or oil so that was changed. If the belt is fairly new, yet is still making a noise, the driver should have the tension adjusted, but still have the belt visually checked for unusual wear. The timing belt is an internal engine component that rotates the engine's cam and crankshaft in sync and ensures each cylinder fires at the appropriate time. Average repair cost is $1,670 at 114,300 miles. i have a bit of belt noise, well quite a bit of belt noise actually. How to Replace Your Timing Belt Replacing the timing belt on your Lexus ES will prolong the life of your car. Checking everything again, restarted the engine (No boom noise coming from the fuel tank when I turned the key on), but the loud ticking was still there I then took everything off to check the timing belt area. To see how frequently Hyundai Santa Fe problems occur, check out our car reliability stats. Drive Belt Tensioners, Idlers & Dampers. I found that one of the timing belt guides behind the crank pulley was rubbing on something, and then recalled that I guessed at the order they go back in (they all fell off when I took it apart). The good news is that you'll probably be given fair warning before things turn from bad to worse. It is almost never the belt that fails. It the noise stops, it tells you the belt needs tightening. Install new belt. If this happens, it may be timing belt tensioner noise. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. Can a loose timing belt make this much noise? I just fixed some exhaust leaks, so I know what those sound like, and this isnt the same. It has a timing chain instead of a belt. Noise- A good indication that a timing belt has gone bad is going to be noise. This article applies to the. Timing belts are made from rubber because it is lighter and quieter than any other alternative like a chain. with or without the shim. For years, they had the timing belt turning one cam and a chain with a variable valve timing tensioner running the other cam. The sound can be intermittent or constant, but it will be a metal to metal contact. We will have it fixed in a few hours. Obviously this has nothing to do with me lending it to the mother-in-law for a couple of days. In the case of unusual engine noise, or a. If this belt noise comes from your timing belt, our team has made this content page to help you find and fix it. He replaced it, but the noise s. I'm getting a "whining/whirring" noise when the engine is revved. Install the new belt on your Mazda by making sure it is routed as per the belt routing diagram or reference your pictures. Only two lubricants should be used on belts: bar soap or belt dressing. I've noticed two things. Belt or bearing squeak upon startup in cold weather (below 15 degrees celcius). With im- provement in quietness of vehicles, it is necessary to reduce the timing belt noise for higher quality of vehicles. Belt drives are usually a source of noise. It has a timing chain instead of a belt. (takes less than a min) then start the car. While the engine is running, listen to hear if any noise is coming from the timing cover or front assembly. But since you mentioned that you have 60K on the last timing belt job, maybe it is one of those bearings making the noise. Did they change both drive belt tensioners, Had my belt replaced about 10 months ago and bottom tensioner / adjuster, about 4 weeks ago it started whining again, the top tensioner gave up, replaced it Saturday and all is quiet. Name is***** goal is to provide you with excellent service – if you feel you have gotten anything less, please reply back, To check this and to be 100% sure its the timing belt that isd making this noise is to remove the acc belts and then start the engine if the same noise is there then you have it coming from the timing belt. I pulled the timing belt inspection cover after first hearing the noise and there's no sign of damage to the new belt, but i've got to replace the idler for the AC tomorrow so while i'm in there i'll take the whole cover off and make sure everything is kosher. open the endgate and you will see a plastic cover over the belt. When it comes to your Honda Odyssey, you want parts and products from only trusted brands. This provides accurate and repeatable tension measurements while using a nonintrusive procedure (the measurement process itself doesn't change the belt span tension). The timing belt has teeth, like a chain, so it cannot slip and squeal. It's quite loud but not excessivley loud, (it sounds like a rollercoaster going up just before the big drop). Do not leave any slack on the tension side of the belt (Figure 8). The car is running fine. Another solution for friction noise is to choose ARC Power also known as BATK timing belts. Hiring a mechanic to replace a serpentine belt typically costs about $60-$200 or more. If the noise stops until the water dries up, then returns, there is either a miss-aligned pulley (first suspects would be worn idler or tensioner pulley bearings) or the belt's and/or pulleys. Belt drives are usually a source of noise. My local Chrysler shop replaced belt, tensioner & water pump for $1400. The timing belt looks as if disaster was about to strike. The noise went away in a couple of days. I know this is an old post but my gst is making the same noise from the timing belt area. If the noise started after the new belt was installed then chances are the timing belt is too tight. Dealer wanted about $1700 and needless to say, i did into have that kinda cash. It is important to note that noise could be indicative of a bigger issue that could cause damage to your belt, pulley or drive over time. If you have a hard-to-isolate accessory drive belt noise, try removing the belt and running the engine. 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+. It may suffer sooner if the car is used for performance driving, and later if it's not. car has now done 110,000 miles. When you first start your car you may experience a noise coming from the engine bay on a cold morning, once the engine warms up the noise may go away. Here's the best way to verify the engine noise you're hearing is from the timing chain. 2-liter engines, do not need their timing belt replaced until they hit 92,000 miles or after six years, whichever comes first. Your engine's timing belt is the most important maintenance item in your car. The belt, rollers and water pump have been replaced in that order, noise started some time after the belt was replaced. Having owned 4 Subarus, I knew the noise wasn't normal. If the vehicle has over 90. speak to dealer they may do a free repair as goodwill/warranty. When I removed the timing belt covers, I found shavings from the timing belt inside and the edges of the belt were worn. The timing belt/water pump/thermostat replacement is one of those jobs which can be pretty tough if you don't know what's going on. appeared to wobble while the engine was running). The timing belt causes of the valves in. If you notice any of these, then it is likely time to replace your timing belt tensioner at once. Because of the costly nature of timing belt replacement many car owners can be reluctant to get it replaced at the appropriate time. No more squealing belt. - bobpaul Apr 29 '16 at 22:57. If you have a hard-to-isolate accessory drive belt noise, try removing the belt and running the engine. (Page 1 of 2). why?, Automotive, 18 replies. Refer to the timing belt removal procedure in the service information (steps 1-4 and 7-17). Yes you can save hundreds of dollar by replacing car timing belt at Home or in Office or find some mechanic for replacement but don't forget to Evaluate Car Timing Belt replacement services before buying. When a timing belt starts to go bad, your engine is at risk for major problems, not the least of which improperly opening and closing of the engine valves. A timing belt, timing chain, or cambelt is a part of an internal combustion engine that synchronizes the rotation of the crankshaft and the camshaft(s) so that the engine's valves open and close at the proper times during each cylinder's intake and exhaust strokes. The engines often make a lot of noise at idle when hot or a rattling sound on cold engine startup. I was told that timin. Your mechanic will also check the accessory brake pulleys for further material build up as they may also need to be changed. The #1 cause of serpentine belt noise is a worn automatic serpentine belt tensioner. If the valve timing is off then the engine will run poorly. I've noticed two things. Several weeks ago, the timing belt started making a whining noise but van still ran fine. Low noise timing belts for use in belt drive systems include either perforations cut into their thin segments or spiral grooves cut into their thick segments in order to allow air pockets to escape in all directions during teeth engagement of belts and pulleys, thereby reducing the noise generated in the process. ($616 total) When I got my car back the noise was worse and now they say I will need some. Part 3: Setting the Injection Pump Timing. When you first start your car you may experience a noise coming from the engine bay on a cold morning, once the engine warms up the noise may go away. A timing chain can last as long as the engine itself and doesn't need to be replaced unless there is a problem with it. There is a high frequency buzzing / whining noise coming from the secondary timing chain system. The last step is to slide the belt under the tensioner. Only thing left is the tensioner, an expensive little thing, will replace that soon. Kia just used belts with less life as a cost saving measure. Use a professional mechanic stethoscope. The noise sounds like an old car I had years ago when the power steering pump was low on fluid. If it's a roller in the timing belt path you can loose your timing belt and you know what that means. Most modern vehicles come equipped with serpentine belts, though they may occasionally be called fan belts. it is not the timing belt that create noise. Belt noise — How to diagnose and fix Serpentine belt noise squeal or chirp Belt noise can be caused by a tension, alignment or wear issue. I can troll all day long and will hear nothing unusual. Seattle Subaru Timing Belt Done Right. Timing Belt Kits Engine Timing Components for Toyota, JDM Car & Truck Parts for Toyota, JDM Parts for Toyota Corolla, Genuine OEM Engine Timing Components for Toyota Camry, Timing Belt Engine Timing Components for Toyota Sequoia, Genuine OEM Engine Timing Components for Toyota Tacoma, Genuine OEM Engine Timing Components for Toyota Corolla,. There are two distinctively different types of belt noise, "Chirp" and "Squeal". I can not produce the sound by turning on / off the car. If the noise is present, it is a timing belt ilder/pulley. Loud noise like hole in muffler when shifting into 1,2 and 3. noise is hardly audiable when vehicle is idling, and easier to hear during low rpm, medium to higher engine load. d356bud wrote:Well I have a squealing noise coming from the timing belt cover area. First, we will have a look at the timing belt noises on your Fiat 500 and then we will look at the reasons for these noises. Obviously I suspect the noise if coming from the new timing belt. As the timing belt ages the material it loses can build up loosely in the rib cross-sections. i have a bit of belt noise, well quite a bit of belt noise actually. Such a noise will reveal a loose timing chain hitting the inside of the timing chain cover every time it rotates. If you want to avoid this issue, we highly recommend that you learn why your engine belt might be squealing and how to correct the problem and get things quieted down so you can drive in peace!. Timing Belt Information & Guide. Start the car. We recommend the following online resources for trustworthy information about Ford F150 maintenance, repair and service. d356bud wrote:Well I have a squealing noise coming from the timing belt cover area. What I'd like to know is if a worn belt would cause extra noise, what it might cost to get it replaced and if there are any other items I should get repaired while they have it opened up. Hiring a mechanic to replace a serpentine belt typically costs about $60-$200 or more. The check engine light can come on and set a code for a valve timing problem. If the noise persists after correcting the oil level, it may indicate valvetrain damage. Serpentine Belts. One of the biggest burdens today for professional technicians and do-it-yourselfers is belt noise, and the No. The best part is, our Honda Odyssey Timing Belt Tensioner products start from as little as $52. The timing belt is located under a timing cover and is in the front of. it's funny you mention this, cause this happened to me. He mentioned that I should look into having the timing belt changed before it breaks on it's own. The most common symptom of a bad or failing drive belt tensioner is noise from the belts or tensioner. You can listen at the timing cover with a long screwdriver (and no fan) to see if the noise is coming from there before taking it apart again. Remember to grease these parts for smoother movement and noise reduction. The belt you see in the engine bay is not the timing belt. Before I could figure it out, the belt broke. I've noticed two things. A timing belt, or otherwise called a timing chain, is a flexible toothed belt that connects the engine crankshaft to the camshaft. It is readily heard in the cabin. Checking everything again, restarted the engine (No boom noise coming from the fuel tank when I turned the key on), but the loud ticking was still there I then took everything off to check the timing belt area. So here we are, "next time" is now. I suspect it is the timing belt tension but I set the tension according to the manual. According to MY dealer, the chain is a lifetime part. Office of Industrial (OIT) Motor Tip Sheet #3. Timing belt failure DIY Auto Repair Inc KCSR - THE Kansas City bad noise in bottom of engine, not sure if its worth putting a engine in. The Continental Elite® RPM rewards program is now available for all U. The noise you hear has nothing to do with the timing belt! When you first start the car the alternator *pulley has an increased "drag" on the serpentine belt because it is re-charging the battery from the most recent engine start-up. Timing Belt Information & Guide. It began last Thursday and it was definitely out of the norm. If the rear belt snaps the engine will stop. An old and worn-out belt may emit noise because its hard and glazed surface increases friction. There are few things more embarrassing than pulling up to someone's house in a car that has a squealing belt. Belt and Chain Replacement The best time for a vehicle owner to replace a timing belt or chain is before it fails. (i) Align the installation mark on the timing belt with the tim-. As soon as the car is up to temp the noise subsides. Additionally, MISUMI offers a variety of CAD data for free download. 00, bringing that job down to $900. The two main “shafts” of engine, the Crankshaft and the Camshafts are connected and turned together at the right time by this timing belt. C6 C7 Corvette: How to Replace Your Timing Chain. I don't have an estimate yet to replace the timing belt but plan to do it very soon. You have 4 potential bearings making the noise inside the timing belt area, wp, tensioner and idle puley, and oil pump, and 2/3 outside ps pump, alternator and ac compressor. I brought the car back and the service manager told me this noise is normal after a timing belt replacement and should be gone after about 800 miles. The 2006 Nissan Quest has 5 problems reported for timing belt noise. If the noise is still present after the belt is removed, it might be an issue with the motor mounts or the timing chain/belt. A timing chain will need replaced far less frequently than a timing belt, resulting in a lower cost to maintain the car for the owner. Best Answer: The old timing belt sound just like a new timing belt. Schaeffler REPXPERT Alistair Mason has been busy this month, as he also replaced the timing belt and water pump on a Land Rover Freelander 2, which was fitted with a 2. You will need a breaker bar or impact wrench because it's torqued on at. Has anyone confirmed that the timing belt kits work for the jdm ej205 too? Q: Gates timing belt kit w/water pump jrar15reddot 1 year ago will this fit a 2003 2. 4 timing belt your looking about 2-3hrs timing chain 6-7hrs due to a heap of cleaning to engine and. Then I thought to myself, "Oh sh*t, I have 100,000 on my 5. If your timing belt broke while you’re driving, and your engine was running, your valve train is shot. Looking to get the timing belt done for my 2007 Honda Pilot EX-L 4WD. Usually the alternator or AC compressor. The hardest part for me was keeping the 2 kids out of the way until my wife got home from work to take over baby sitting duties while I finished her car. Timing chains last longer than belts, but if they do fail, are likely to cause far more damage to your engine than a damaged timing belt. got a good deal on it ,now i get to spend some of the money i. You have 4 potential bearings making the noise inside the timing belt area, wp, tensioner and idle puley, and oil pump, and 2/3 outside ps pump, alternator and ac compressor. A serpentine belt that keeps slipping off the pulley is another symptom of a bad tensioner. Check Engine Light – If the timing belt is loose because of a bad tensioner, then the timing of the valves will be off. I swear I think even the original timing belt components made this whine in the dead of winter right after I bought the car new (I thought it was an alternator whine). I can troll all day long and will hear nothing unusual. However, if you know what some of the most frequent caused of engine vibration are, you can not only avoid too much stress and worry, you can know. The timing belt is located in front of your vehicle’s engine. If this belt noise comes from your timing belt, our team has made this content page to help you find and fix it. If the chain slop is not excessive it is still possible that you have jumped a tooth especially if it is a rubber timing belt. A belt hardens twice again faster each time its operating temperature increases another 10 degrees Celsius (18 °F). There are few things more embarrassing than pulling up to someone's house in a car that has a squealing belt. I removed the cover and inspected the belt and it looks fine - no cracks or wear. So here we are, "next time" is now. What happens when this component gives up the ghost, and how hard is it to fix by yourself? A timing belt is the. A rubber timing belt doesn't rust or require oil, whereas a chain would, but it does need to be changed at regular intervals. Now when I am driving between 1500-2000rpm I hear a buzzing noise similar to a heat shield noise coming from the timing belt area. Factory torque on the idler pulley is 33 ft. Title: Replace V-Belts with Cogged or Synchronous Belt Drives. Here are five techniques you can use to solve belt noise problems. What is causing a whining noise when you are decelerating the car at about 30 mph?. I took it to the dealer for diagnostic. • The noise should increase in frequency with engine speed (RPM). Gear Drive - Yellow Bullet Forums Yellow Bullet Forums > Technical Section > Naturally Aspirated - Uratchko Racing Engines. My local Chrysler shop replaced belt, tensioner & water pump for $1400. Includes:* timing belt * water pump with gasket * thermostat and gasket * timing belt tensioner bearing * timing belt idler bearing * automatic tension adjuster (hydraulic type-not a bearing) * one accessory drive belt * two front camshaft seals * front crankshaft seal. RLX Sport Hybrid only: Remove the timing belt covers. The owner of this vehicle was lucky. Hi guys i know i have wrote alot about this clio on here of late and i thank you all for your help i have just got the timing belt and water pump changed on my clio 1. OCTOBER 2011 -- General Motors (GM) is recalling certain model year 2012 Chevrolet Equinox and GMC Terrain vehicles, manufactured from July 18, 2011, through September 6, 2011, for failing to comply with the requirements of Federal Motor Vehicle Safety Standard Number 138, "Tire Pressure Monitoring System" (TPMS). To determine whether the pump is worn or leaking, listen for a chirping noise from the pump while the engine is running. Do not leave any slack on the tension side of the belt (Figure 8). A stock timing chain can suffer from stretching over time. The timing belt/water pump/thermostat replacement is one of those jobs which can be pretty tough if you don't know what's going on. If the valve timing is off then the engine will run poorly. The 2006 Nissan Quest has 5 problems reported for timing belt noise. View all 289 consumer vehicle reviews for the Used 2013 Nissan Altima on Edmunds, or submit your own review of the 2013 Altima. if it does, then you can narrow down your search. For about a year or so, my G has been making a really high-pitched squeal. 2L Audi engine has no less than four chains running the oil pump and keeping everything in time. I have 2 questions. - posted in Diesel Engines (Mk4 Mondeo): Hello, New to the forum, In the next few weeks i will be changing the, Timing Belt, Tensioners, Water Pump and Auxillary Belt on my 122K 09 Mondeo 2. No more trying in vain to get the belt tight enough using whatever lever I can find. 1 cause of belt noise is misalignment. Description. As faar as replacing the tensioner just inspect for bearing noise from the pulley and leakage from the hydraulic cylinder, either of those and you should replace the timing belt tensioner. Earlier, the technician may have tightened your accessory belt or your power steering belt, not your timing belt. Why would a timing belt be lubricated? Typically TB failures can be caused by a small oil leak which ends up degrading the belt. Following instructions in the Haynes manual, I removed the head cover, coolant pump pulley, crankshaft pulley, timing belt covers, old idler + tensioner, old timing belt. And these cars will have severe valve damage if the timing belts were to break. My dealer told me point blank if it comes back they will deal with it. The latter can be purchased at an auto parts store and the former should only rubbed to the interior of the belt in dry conditions. Got my AISIN kit and the 50mm crank tool yesterday. But its a lot worse now. Cross-threaded idler bearing, It's the only thing left I can think of. 0 timing belt noise can indicate that the belt is becoming worn down. thoughts??. One of the essential components of car’s engine is “Timing Belt”. 90+ Nissan 300ZX Timing Belt Replacement [Thanks to Joe Fabbre for his contribution in this scarey task. A measurement is made simply by plucking the belt while holding the sensor close to the vibrating. Consumer Reviews. Timing belt noise is no longer one of the most noticeable indicators of potential belt failure. Recently decided to do the timing belt after it developed a slow knocking noise from the timing cover. To determine whether the pump is worn or leaking, listen for a chirping noise from the pump while the engine is running. The 2005 Chevrolet Aveo has 25 problems reported for timing belt failure. don;t worry you can let it idle for several seconds with no belt. If your timing belt broke while you’re driving, and your engine was running, your valve train is shot. However if the front belt brakes "BANG" the engine is destroyed. I have a new harmonic balancer/ crank pulley to install. It was tighten according to the manual, 7 ft/lbs on the tensioning tool. 1990-1992 Models 1993. There is a high frequency buzzing / whining noise coming from the secondary timing chain system. Timing Belt, Tensioner and Idler Failure The first sign of wear is “noise”. When you first start your car you may experience a noise coming from the engine bay on a cold morning, once the engine warms up the noise may go away. The timing belt is located in front of your vehicle's engine. I'm doubtful that he'll be able to squeeze me in before the New Year. The benefit of a timing belt is that they operate more quietly and are very strong. The symptoms of a loose serpentine belt include a loud squealing noise when the engine is started or when the steering is turned all the way to one side. The one belt on it now tracks just. Remove the Belt. $145 Engine noise does become noticeable above 60 MPH, which is also the point where your highway mileage will start dipping below a generous 32 mpg. It is important to note that noise could be indicative of a bigger issue that could cause damage to your belt, pulley or drive over time. Check out our selection if you have a belt with missing teeth or an idler pulley that’s cracked. Dropped off at the dealership yesterday and was notified a shim kit was being ordered for the timing belt. One of the essential components of car's engine is "Timing Belt". If it's time for serpentine belt replacement, you'll hear the classic serpentine belt noise – a squeal under your hood. Hi alll, Need some advice regarding the following. Timing Belt Interference and non-interference timing belt or chain. If this happens, it may be timing belt tensioner noise. The timing belt is a synchronized transmission belt that transmits power when the belt and pulley establish teeth meshing. there is a known issue relating to accessory drive belt noise described by ford as "metalic. It operates your vehicle's camshaft. If a belt is longer as wide it will be hard to track it. Page 1 of 3 - Changing Timing/Alternator/Aircon Belt - posted in Maintenance & Repairs: The maintenance interval for the belt change was 60kkm according to the owner's manual. I'm getting a "whining/whirring" noise when the engine is revved. The benefit of a timing belt is that they operate more quietly and are very strong. While the engine is running, listen to hear if any noise is coming from the timing cover or front assembly. This is not meant as an authoratative guide on how to do so. 2 TD4 engine, and had covered more than 124,000 miles. A squeaking noise came from under the hood. There are few things more embarrassing than pulling up to someone's house in a car that has a squealing belt. Hiring a mechanic to replace a serpentine belt typically costs about $60-$200 or more. ($616 total) When I got my car back the noise was worse and now they say I will need some. Learn about this problem, why it occurs, and how to fix it. The noise is caused by the belt slipping on the pullies when the belt is wet. Noise- A good indication that a timing belt has gone bad is going to be noise. 1) confirm that the timing belt timing is perfect one last time, and then REMOVE the cam locking tool and the pump locking pin, leaving the engine at exactly TDC. A chirp noise from the timing belt area can be caused by a tilted idler pulley. Low Noise PU Industrial Timing Belt. Checking everything again, restarted the engine (No boom noise coming from the fuel tank when I turned the key on), but the loud ticking was still there I then took everything off to check the timing belt area. The noise gets louder and louder and the engine is revved higher and higher. Car has developed an irregular, knocking noise coming from left side of engine (timing belt area) but only occurs at warm idle. Before I could figure it out, the belt broke. Consumer Reviews. But it does wear out and break without warning. So far so good with my steering no noise now in 6 months. At first I thought it was because it was a new belt and I just needed to break it in, but after a couple hundred miles the noise still persists. Faulty timing belt symptoms include a loss of power, loss of fuel economy, misfiring and engine vibration. Hey Guys Its Henry (07Tundra) I Forgot My Log In Info on my other account So I Just Replaced my timing belt hydraulic tensioner and the water pump on my 4. Older vehicles may have belts that are used only to power the fans that cool the radiator. It might not be the exact same belt; however, a very apparent noise coming from your timing belt is usually a cause for concern. sent me an e-mail about his 1. speak to dealer they may do a free repair as goodwill/warranty. From my experience in replacing timing belts (never used oem belts either), the only time I'd have any rubbing noises coming from the timing belt area the timing belt guide ring (goes on after the belt, on the crankshaft) was not installed, which allows the belt to rub up against the cover. Car shown is his 91 300ZX NA. If you ignore the two main types of timing belt noise, you're rolling the dice. This "singing" would be noticeable immediately and will change pitch with rpm's. As faar as replacing the tensioner just inspect for bearing noise from the pulley and leakage from the hydraulic cylinder, either of those and you should replace the timing belt tensioner. By signing in to ALLDATA, you agree to our Terms and Conditions of Use Terms and Conditions of Use. Most modern vehicles come equipped with serpentine belts, though they may occasionally be called fan belts. When a rattling noise occurs in front of the engine, the belt may be loose or the timing chain may be coming apart. don;t worry you can let it idle for several seconds with no belt. 980 km, kept in excellent conditions by the previous owner (a friend of mine). Maybe new timing belt job will resolve the problem. Took my time and thought through it and it was easy. It may go away quickly the first time you hear it, but soon it's a constant whine that reminds you it's time to get under the hood. This condition will cause the timing belt to shred producing ticking or scraping noise inside the timing belt cover while the engine is running. Cold-start engine clicking is a nuisance, not a disaster. Although this may not be it at all, i popped my timing belt cover off the other day to inspect and I must not have put it back on quite right and the belt was hitting it on cold starts. it is either driving belt or air-con belt instead. T-belt interval is 120 000 km, so it was last changed at 240 000 km by me. Fenner® timing belts are better suited than chains to high humidity, or arduous, dusty environments such as quarries or flour mills. You have 4 potential bearings making the noise inside the timing belt area, wp, tensioner and idle puley, and oil pump, and 2/3 outside ps pump, alternator and ac compressor. If the car is driven a lot in the summertime and you want to play it on the safe side you may want to consider changing the timing belt a little bit earlier than the 105K interval stated in the maintenance section. Replacing the rubber timing belt is one of the most important maintenance tasks for the six-cylinder E30 engine. It is readily heard in the cabin. Repositioned timing back and removed the valve cover to check the Cam to see that it was on TDC with the number #1 cylinder. Below are a couple of pictures of a failed Timing belt idler we recently replaced, because it came out of a Subaru with a manual transmission there is a belt guide just above the crankshaft sprocket that prevented the belt from coming off, so this driver was very lucky, had it been an automatic model the belt would have come off causing valve damage. A loose belt, but its not the timing belt. The timing belt synchronizes the camshaft to the crankshaft position, so the valves will open and close at the proper time in relation to the position of the pistons. The belt will need to come off several pulleys including, A/C pulley, alternator pulley, and power steering pump pulley. If I make a run with the throttle wide open or nearly wide open and slow back down to an idle I hear a fairly loud high pitch whine or squeal coming from the top half of the motor. Your engine's timing belt is the most important maintenance item in your car. Timing Belt Change Mitsubishi 3. Home > Yamaha Service Information > Timing Belt Tensioner Information Email Newsletter Join our email list to learn about the latest product information and special offers. If this belt noise comes from your timing belt, our team has made this content page to help you find and fix it. Now I think the noise is from the engine, on the side where the timing belt is. They cannot be diagnosed by sound - period. Install the new belt on your Mazda by making sure it is routed as per the belt routing diagram or reference your pictures. If your car's timing belt was recently replaced, it's likely that the tension was adjusted too tight, which can result in a whining noise. So what is your timing belt noise telling you? Plenty of things, as you’ll see – and they’re not always directly due to the timing belt, but rather related components. The crankshaft powers the engine’s connecting rods which are attached to pistons inside the combustion chamber. Poly 'V' Belt That said, the car is fitted with what looks like a standard timing belt(cam belt) which is located on the O/S of the engine, this is nothing more than a power drive belt for the components listed below, and is generally called the poly 'V' belt. After removing the fan belt which was well worn with 170K on it, and ruling out water pump and such, he decided it was the timing chain. 7L Performance Upgrades? 2004 Dbl Cab backup camera First Gen Grille Mod.