The Fix: Adjust ignition timing. Our Detailed Topic, All About Timing Belts give far more detail on the timing belt. You might hear the starter motor engage when turning the car key, but as the timing belt runs the camshaft and crank, it will not turn over. Belts bottom out. Failure symptoms. Re: Symptoms of timing belt off one tooth? - 06/11/15 10:36 AM Originally Posted By: Silk Symptoms will usually be - poor idle, low vacuum and high compression. Engine Misfire - Since a bad timing belt can put a damper on the firing rate of the engine, it will likely cause the engine to misfire. 0 which is experiencing the tensioner failure and I’m being told all my chains are stretched and that my camshaft needs to be replaced. Balance the cost of these tools and the aggravation you may encounter doing this yourself with the $195. With the help of ProTorque, We've put together a list of problems and possible causes to help you identify the reason for timing belt failure. A bad timing belt or timing chain can be a serious issue. I serve the VW market and sell quite a few timing belt kits to VW drivers. I bought a new uk supplied Range rover sport 2. Symptoms of a Failing Belt Tensioner We now know that the belt tensioner is what maintains the correct tension on the drive belt system. I understand that persons with timing chain problems started with the check engine light coming on , then the problem with the chain was discovered as the cause of the light? My question is that other the the light coming on was there any problems/symptoms with drivability, EX. Symptoms of a timing belt that has jumped/skipped a few teeth: One Tooth : It will idle like normal and the exhaust will sound fine but cruise and WOT the car will feel like you've got no power and in most cases will hesitate and misfire. A timing chain can also produce a rattling noise when the excessive slack causes it to bounce off the inside of the timing chain cover or block--another symptom to give you a heads-up before the. I broke the timing set in my first car. High oil consumption Timing belt Noise Safety My 2009 honda accord has a grinding noise that occurs when the ignition is activated from a cold start. But if the engine light comes on, then bad spark plugs or other wiring problems are most likely to blame. The timing belt is due based on mileage and should be changed soon to avoid major engine damage. Timing Belt Symptoms of Failure The failure of a timing belt is one of the most common reasons why cars break down. It is a belt that connects your crankshaft to the pistons that move your engine, and allows your engine to sync up its movements - it’s named after the fact it syncs the opening and closing of your engine valves to the movements of the pistons. Because the vehicle will be completely disabled when the timing belt goes bad it is best to adhere to the vehicle manufacturer’s maintenance recommendations,. The other common type of valve failure is valve burn, or. Engine won't turn over. In the event of failure due to defects in materials or workmanship, however, Gates will replace timing belts that are proven to be defective if failure occurred within the timing belt replacement interval recommendation specified by Gates or the original equipment vehicle. A timing belt controls the timing of the engine's valves. When engine timing is not working properly, issues arise, such as excessive exhaust fumes, shaking or jerking when gears shift and other, finer symptoms that may go unnoticed. Also when your timing belt is loose it will cause some drivability issues usually under high load or high rpm. Possible causes. I recently took a look at my cam with 210,000 miles and noted some copper streaking on lobes for cylinders 2 and 4 and he exhaust lobe on #3 has some. Timing belt failure symptoms, causes and corrective actions 1. If this is true; I would rather have a timing belt. Faulty Valve Timing Control (VTC) Valve Timing Control (VTC) harness is open or shorted circuit. Valve Timing Control (VTC) circuit poor electrical connector. by Timothy Charlet on. in water pumps). Originally Posted by TTgocart View Post I even bought a thermostat, but even with the head removed and all the timing components out, it was way to Water pump seizing caused timing belt failure? - Page 2 - Audi Forums. If you ever buy a car and are usure of the history i strongly advice you have belt done, i have seen so many. Timing Belt Symptoms of Failure The failure of a timing belt is one of the most common reasons why cars break down. The sensor sends this information to the Power Control Module (PCM) and the PCM uses this information to control ignition spark and fuel injector timing. Just so you know - timing belts or chains either way they both need TLC the chain has parts that need to be replaced after a while just as a belt needs to be replaced. As the timing belt wears out, it starts to produce a high-pitched shrieking or whirring sound. In spite of that, I was given the standard answer of 90,000 miles or 6 years. The focus of this article will be the timing belt replacement on a 2001 Lexus GS 300 with the in-line six-cylinder 2JZ-GE engine with VVT-i (Toyota’s variable valve timing). Symptoms of a Bad or Failing Timing Belt 1. Timing chain vs. All depends, nothing always breaks the same, theirs always some difference in failure. One of the main components is the timing chain or belt. Oil leaks can damage a serpentine belt in a short period of time. Generally, this is caused when a belt has been installed at the wrong tension or the pulleys are worn. On 1995–2002 except CA models, replace at 60,000 mile intervals. Want to crank the starter from under the hood? Use this tool from Amazon → http://www. Failure is often more expensive to correct than with a belt, due to collateral damage. Replacing a serpentine belt costs from $18-$75 part plus $50-$150 labor. Prevention is always better than cure so be vigilant for issues with your timing belt. Engine runs poorly: A worn timing belt can slip, getting out of the proper alignment. If the vehicle was fitted with a timing belt, and it had a service schedule at 60k to replace, then this would have been carried out as part of looking after. The "tensioner1" picture shows the damage and "tensioner2" shows the possible cause. Can anyone tell me whether the 2010 CXS with the 3. Belts excessively vibrate. The battery most probably needs replacement. The only sign or symptom that will appear signifying the belt needs to be changed is a seized engine. Fortunately, a timing belt usually gives some. Figure 4 shows the components that are behind the timing cover: Camshaft pulley; Tensioner. And a potential for belt failure possibly?! When doing a service belt change on the old 7fiddy I checked the cam belt roller bearings and they felt a tad tight in rotation! So being 80,000k old I thought I'd change them and removed them and went down to the local bearing place and got a set of replacements. Valve Timing Control (VTC) circuit poor electrical connector. An alternator is a maintenance-free unit. And you are done. It was a 22RE with 129,000 miles on it. There are 67,000 miles on this vehicle. Stretched timing chain symptoms • Noise. Audi and Volkswagen 2. Gates is a well known timing belt manufacturer. It seems that the tensioning spring has been fatigued and then snapped. And you are done. An easy way to check is, pull #1 spark plug, and drop the dipstick down the hole. Timing chain vs. The Symptoms of a Failing Timing Belt. What happens when this component gives up the ghost, and how hard is it to fix by yourself? A timing belt is the. Symptoms Of A Bad Serpentine Belt Just about every vehicle has a serpentine belt. How much replacing a timing belt should cost. It is controlled by a round pulley called a tensioner that keeps the line taught as it. You might hear the starter motor engage when turning the car key, but as the timing belt runs the camshaft and crank, it will not turn over. The photo is an actual instant where a timing belt failed due to the belt adjuster lock nut not being tensioned correctly at a retail service centre. Simply following the scheduled maintenance on your Mini isn't enough to prevent timing chain issues, and the on-board computer doesn't monitor the condition of the timing chain. If you are familiar with the timing belt, how it functions and how to identify whether or not something is wrong with it, then you can prevent serious damage to your car and you'll know when to replace it. The preventative maintenance procedures that we discuss on this website are very important. The 2004 Ford Explorer has 8 problems reported for timing chain guide failure. The bad news is that the parts are on back order and likely won't arrive until next week. Hi Dayco, I have a 2000 3. In spite of that, I was given the standard answer of 90,000 miles or 6 years. timing belt – which is better? In my opinion, timing belts are a better choice, because of the problems with timing chains on newer cars. Timing belt All of the answers are possible reasons for a car shaking while idling. Heavy Exhaust Fumes - If you notice more smoke and fumes than normal coming from the exhaust, this could be another indication that your timing belt is overdue for a replacement. With the help of ProTorque, We've put together a list of problems and possible causes to help you identify the reason for timing belt failure. The best thing that you can do is have the vehicle timing belt service performed on schedule. From this point the engine's timing may become erratic and cause cam and crank sensor fault codes; if the vehicle continues to be driven, the chain can snap causing similar damage to that of a snapped timing belt. Timing belts are a normal maintenance item on a vehicle. By combining owner complaint data from CarComplaints. It's About Time to Replace Your Timing Belt. Overview of Subaru timing belt failure and damage. Stretching, in turn, causes other problems. Tensioners make sure the chain is tightly wound to the pulleys and gears. Check the battery voltage and charging rate after you start the vehicle. And you are done. When did your timing belt snap? Question I'm currently at 71,000 miles and I only do about 3K miles/year and I'm half inclined to wait another year or until it snaps before having it replaced (no space to do it myself). Back cracks. Learn about the repairs and symptoms that point to a timing chain problem. Certain Nissan vehicles are gaining a reputation for early problems in the timing chain system, including issues with the chain tensioners, guides, and shoes. New battery was installed a few weeks ago and new belts a month or so ago. Generally, this is caused when a belt has been installed at the wrong tension or the pulleys are worn. Every car has a different interval-if you ring a garage and ask them interval they will happily tell you. Symptoms of a Bad or Failing Timing Belt 1. A serpentine belt is the most common belt in today’s cars—it controls the functionality of most every system for your car. Turn the tensioning pulley anti-clockwise towards the stop, using the tensioning tool (OE 1860987000), until the tensioning pulley is at maximum adjustment. No my timing belt was changed as a precaution and was due in the next 6 months or so anyway. Noises coming from under the timing belt cover maybe caused buy worn bearing in the idler and tension pulleys. Shiny, smooth streaks or gouges in tensioner housing or arm. I don't see the marks on the belt. Belt noise. Timing Belt Information & Guide. It would run smooth then rough. The recommended replacement intervalls for Peugeot timing belts are as follows. In an interference engine, if a timing belt breaks while driving, there is a good chance that the engine might be severely damaged. I now get a bad engine vibration at idle and when backing up and pulling forward. Timing belt is a vital link in functioning of the car. Our auto repair estimate tool shows you parts and labor quotes from service shops near you. Alternately, your ride may feature a series of V-belts (also known as a fan belts), which perform the same all-purpose functions as a serpentine belt. Heavy Exhaust Fumes - If you notice more smoke and fumes than normal coming from the exhaust, this could be another indication that your timing belt is overdue for a replacement. There are a lot of parts inside your car and engine. Belt tensioners are extremely important in the proper operation of the accessory belt drive system. Fearing timing failure, I took the covers off. Tl-the contact owns a 2010 Chevrolet Equinox. You cant really check a timing belt without pulling the whole assy apart which by that point you might as well havee paid to have the belt done or you will pay the labour twice. The timing belt (1997-2001) has a tensioner and idler to keep it in place. The camshaft has no key and so this will allow the camshaft and engine to rotate independently. That being said, sometimes your car will give you a bit of warning that the belt is wearing out. Check Engine Light - If the timing belt is loose because of a bad tensioner, then the timing of the valves will be off. Stretching, in turn, causes other problems. Slack in the chain allows it to strike the timing cover. com/gp/product/B000 What SOUND Does the Timing Belt Make?. Fortunately, a timing belt usually gives some. The fire rate of the engine could be jeopardized from #3 - Smoke from the Engine. If we are not able to maintain correct tension, then it will be difficult to run the different components that rely on the drive belt system. The only difference between a timing belt and a chain is that belts are made out of rubber, while timing chains are metal chains. The timing belt is attached by way of a series 2. Knowledge about timing belt symptoms will save you from having to experience being stuck on the side of a road because of a broken timing belt. This is because they are non-clearance engines and belt failure means the valves will hit the tops of pistons. In larger engines that put out more power the timing belt is replaced with a timing chain, which looks much like a bicycle chain. 42 thoughts on " VW/Audi 2. Timing belts need little maintenance except that they need to be replaced at specified intervals to avoid the belt breaking. It is not "bad" but it is near the end of its service life. Most Common VW Problems. Instead, we do a complete timing belt service that saves the customer time and money in the long term. Best Answer: A bad Timing belt will not cause the vehicle to idle fast. Of course as it is recommended when changing out your water pump it is wise to do the timing belt as well. It is one of the components that you can't do without and when it fails it can do a lot of damage to the engine. This being a Subaru (I've done extensive, think 7 years worth, of daily research on this vehicles), I'd say the timing belt is put on 1 or 2 teeth off how it's supposed to, the symptoms you explain sounds identical to those I've read about previously, where people have gotten it wrong. Car problems often start with a warning light on the dashboard but these can be confusing so I was delighted to find the following guide compiled by Claytons MOT and Service Centre, covering the universal warning symbols used on UK cars. The sensor sends this information to the Power Control Module (PCM) and the PCM uses this information to control ignition spark and fuel injector timing. To rectify this problem, a revised and updated injection pump hose for the secondary injection pump should be. Loose timing belt tensioning acts like a loosely-held piece of string, with a snapping action as in a high torque situation the string or timing belt will break because the added stress is more than the timing belt was designed to take. How much replacing a timing belt should cost. Check the battery voltage and charging rate after you start the vehicle. It is a belt that connects your crankshaft to the pistons that move your engine, and allows your engine to sync up its movements - it's named after the fact it syncs the opening and closing of your engine valves to the movements of the pistons. Failure of sensors, over heating, dead battery, etc. When the trouble code P0340 is set, the ignition spark and fuel injector timing fails due to a number of reasons. The vehicle will have a loss in fuel mileage and acceleration especially at highway speeds. The risk of belt failure goes up sharply once a belt surpasses its recommended replacement interval, which for most Ford applications (except the Taurus SHO) is 60,000 miles. Instead, we do a complete timing belt service that saves the customer time and money in the long term. Timing belt slipping – this creates a high pitched noise on starting the car or idling, which means you’re losing traction. This is a sign that the entire timing belt needs to be checked and adjusted. A broken timing belt could cause such damage as almost to write off an engine. other and no doubt cold/hot starting issues and cause diesel knock,it certainly would tie in with all you have said in symptoms so. If the car starts bucking and chugging, you need a tune up and possibly an ignition coil. We have a 2002 Kia Rio and have 8 fan belts replaced. A broken timing belt may also mean thousands of dollars in engine damage and repair bills! Why do timing belts break? There are two common causes for timing belt failure: Age / MilesThe timing belt is usually made from a rubber material with teeth on one side to control the gears, pulleys, and components in the engine. 0L SOHC engine. Know the truth behind the failure as we take a closer look at the Honda K-Series, the company's most sophisticated four-cylinder to date, now consider its weak tensioner resolved. Try this: put the car in drive. In interference engine designs, regular belt or chain service is essential, as incorrect timing may result in the pistons and valves colliding and causing extensive internal engine damage. Shaft bends. Many car manufacturers earned a reputation for building junk when their engines failed prematurely due to belt failure. Appearance: Abnormal belt tracking on tensioner pulley. or Call Service An engine’s timing belt runs between the crankshaft and the camshaft(s), ensuring that the valves open and close at just the right time. A broken timing belt can cause major problems with your engine. Symptoms of a Bad Timing Belt #1 – Rough Idling of the Engine. Belt has reached end of service life: Belts bottomout. Sounds like one of the accessory belts is loose. Yes there are some warning signs of bad timing belt that gives you red signal before time. Just interested in hearing about anyone elses problems with the timing chain tensioners in the 4. None of the mechanics have taken anything apart or anything; they just listen to it run and give a quick diagnosis. Timing Belt Symptoms of Failure The failure of a timing belt is one of the most common reasons why cars break down. Some have suggested that a manufacturing defect created timing chains with sharper edges that rapidly saw through their guides. That power is related to the number of valves and springs, and the path that the belt must follow, but the power increases radically with engine power requirements, not just with rpms. I presume the 2010 Soul has the same recommended replacement due at 60K, so if your belt breaks past 60K, then the repairs would be on you. Belt noise. When the belt breaks the car quietly dies and won't restart. Failed secondary air injection pump. All 4 cylinder petrol engines: 80 000 km or 4 years. Timing belt failure symptoms, causes and corrective actions 1. At Honest Accurate Auto Service, we don’t just replace the timing belt. If you ever buy a car and are usure of the history i strongly advice you have belt done, i have seen so many. One could be a fluke but three does not sound good at all. This is a sign that the entire timing belt needs to be checked and adjusted. The customer may complain that the vehicle's engine doesn't feel right. After the machine work and all the parts I'm sitting at around $1500. symptoms of timing belt problems - Cars & Trucks question. The car doesn't puff any smoke at all and there are no engine codes. On 1995–2002 except CA models, replace at 60,000 mile intervals. The 2004 Ford Explorer has 8 problems reported for timing chain guide failure. In larger engines that put out more power the timing belt is replaced with a timing chain, which looks much like a bicycle chain. Interference and non-interference engines. When a timing belt snaps, certain types of engines can be ruined. Timing belt replacement is essential for your car to run efficiently and smoothly. As the repair bills added up and the word spread, We are getting better. Twins are still the best for going far offshore because if you have an engine fail you can still get home on plane, as opposed to putting home with a kicker motor. I just changed the timing belt, balancer belt, water pump, tensioner wheels and other external belts. One of the symptoms of a broken timing belt is the very loud sound that comes from the vehicle when you try to turn it on. Can anyone tell me whether the 2010 CXS with the 3. And a potential for belt failure possibly?! When doing a service belt change on the old 7fiddy I checked the cam belt roller bearings and they felt a tad tight in rotation! So being 80,000k old I thought I'd change them and removed them and went down to the local bearing place and got a set of replacements. It is one of the components that you can't do without and when it fails it can do a lot of damage to the engine. If you like the vids and want to help make more: paypal. What are the symptoms of a bad timing belt? Not a broken one, but one that's due for a changing? Other than visual cues (cracking in the belt and what not) what does it do? My engine runs rough as of late, sort of sounds like diesel, sort of gurgly. Inside the engine compartment the Variable Valve Timing (VVT) parts are found on or around the cylinder head block and timing chain/belt cover and may require the removal of electrical plugs and access to the engine camshaft timing system. Toyota Tacoma Engine Problems. Generally, for all cars with T/B's, it is next to impossible to determine belt condition by inspection. A bad timing belt or timing chain can be a serious issue. The 2004 Ford Explorer has 8 problems reported for timing chain guide failure. In my old Hyundai, every 60K was when the timing belt was due to be changed. A range of BMW diesel engines produced between 2006 and 2012 appear to have a design problem affecting the timing chain. Shaft bends. (Yes I will break the cycle and tell you where it is. This should be a recall. Add Mazda MX5 and others based on that engine to the list. If you are familiar with the timing belt, how it functions and how to identify whether or not something is wrong with it, then you can prevent serious damage to your car and you'll know when to replace it. If the vehicle was fitted with a timing belt, and it had a service schedule at 60k to replace, then this would have been carried out as part of looking after. 7 GSi: 5: Timing belt issues volvo aq 125: 2: Volvo Penta AQ205 Timing marks: 1: Volvo Penta Aq151b timing belt issue: 1: Setting Up Timing on Volvo AQ125A: 1: volvo aq131 timing belt and tensioner: 6: 92 volvo penta 230A changed timing belt/wont stay in time: 0: Volvo 171c Timing belt teeth broke: 2: 1981. What are some symptoms of an injector pump being too far advanced or too far retarded? Mine hasn't been 'tuned' since the belt and accessories were last replaced a long time ago and I think that might be responsible for some of my wintertime hard start problems. Many of the engine's accessories, such as the alternator, water pump, and AC compressor, can be. This means problems in the engine, which will. Or, there is a hesitation then accelerates. Fortunately, a timing belt usually gives some. Check the battery and such as its not spinning over. But the timing cover has a few of its own signs, like leaking oil due to faulty seals or a cracked or corroded cover. Plan on changing the timing belt if your car has accumulated more than 60,000 miles. Oil contamination. Replacement Timing Belt Information. Prices paid and comments from CostHelper's team of professional journalists and community of users. After all, it’s around this point in the vehicle’s life span that most timing belts need to be replaced. This means problems in the engine, which will. A replacement belt and timing belt kit should fix that problem for you. Acuras have one of the longest intervals for timing belt replacement. From what I understand that bolt is only there for when you are installing the timing belt. Some vehicles have one belt, others 2 or 3. Timing belts used to be a relatively ignored maintenance item by many drivers. It doesn't include them all. - Honda Tuning. This happened to me. Symptoms of a malfunctioning timing belt are simple to notice once you are aware of them. The code indicates there is a timing issue. Average repair cost is $3,470 at 123,750 miles. I have a registered VCDS but couldn't find the details on what symptoms would be. Gates is a well known timing belt manufacturer. BMW just redesigned the n20 timing chain related components and my 328i would be one of the first to receive the update. 3 Symptoms of Your Timing Belt Not Working. I am not a huge fan of timing belts, but they dont bother me enough to avoid an engine with one. I am getting about 15 in town and 23 highway miles. Car seemed fine upon return. The cost of the water pump is $126. Shaft bends. All the while I was given a Gran Prix to drive. 0 which is experiencing the tensioner failure and I'm being told all my chains are stretched and that my camshaft needs to be replaced. Your timing belt doesn't last forever and needs to be replaced according to the manufacturer's service guidelines. Twins are still the best for going far offshore because if you have an engine fail you can still get home on plane, as opposed to putting home with a kicker motor. Applications: Toyota Models using the T257 Timing Belt Part# T257 Timing Belt Symptoms Within a short period of time after belt replacement, the check engine light will come on. com/gp/product/B000 What SOUND Does the Timing Belt Make?. Symptoms of Timing Chain Failure. Re: symptoms of bad timing belt (gmurrer) 11-18-2009 07:36 PM #2 I don't know if your problems are being caused by the Timing Belt, but I would get it replaced ASAP anyway. Your timing belt may have jumped a tooth or worse, your crank shaft may be broken. consistent problem of failure at higher mileage. Using belts for timing is a cost cutting measure that puts more margin in the sale price of the new car, and also serves as a gift to the dealers in the form of increased service business. The timing chain system should last for the life of the engine, not require a $1700 repair only about halfway through the engine life. 000 from Contitech. A timing belt controls the timing of the engine's valves. For one thing, the failure of the timing belt causes this. If the timing belt looks good, but you suspect it might have a problem, then you might want to check the tensioner as well. Broken timing belt. Re: Replacing a Timing Belt for 1994 EZ-GO Gas Thanks for the help guys. The timing belt is due based on mileage and should be changed soon to avoid major engine damage. If the timing belt or chain breaks or jumps time, this can cause the engine to stop running or run very badly. An alternator is bolted to the engine and is driven by a serpentine belt (drive belt). I can't figure out why my truck won't start. - noise, engine miss, poorer fuel mileage or was all as normal. If your car has a broken timing belt, the engine will not be able to ignite or turn over. This article applies to the Honda Civic (1990-2000). When the timing belt breaks, it can be a harrowing event, depending ofn when it occurs and what is around. Failed secondary air injection pump. Timing chain noise is most noticeable on cold startup when oil pressure and flow is at its lowest. The focus of this article will be the timing belt replacement on a 2001 Lexus GS 300 with the in-line six-cylinder 2JZ-GE engine with VVT-i (Toyota’s variable valve timing). Ford Galaxy 1994 - 1997 engines 2. Failure symptoms. Use a jumper and you should be able to start the vehicle. It cost me about $370 to remove and replace the timing belt. When an owner neglects oil changes or uses the wrong oil, the timing chain pins wear, causing the chain to stretch. When my timing belt broke while on the highway at 60 mph, it was just an instant loss of power but no warnings, no noise, no warning lights on the dash. There are many different types of timing belts such as Gates timing belts. Engine turns with socket wrench. What happens when this component gives up the ghost, and how hard is it to fix by yourself? A timing belt is the. There are teeth on timing belts which grip gears as they're #2 - Misfire of the Engine. 2L 4 cyl died on the interstate going 70mph. simazoran/ThinkStock The next three symptoms are less obvious than a signal from a warning light; however, these signs of alternator trouble can tip off a driver that there's something going on that is out of the ordinary. Below are the top 5 symptoms of a bad timing belt that you can watch out for. It was a 22RE with 129,000 miles on it. 2l engine code 169 A4. Having ownership and DIY experience with the car known with the longest and most finicky timing belt system ever put on an engine (Porsche 928s4) for the last 14 years, I have read hundreds of timing belt failure stories and how exactly they happened, which part was to blame, all the signs to watch for, it is kind of an art you could say, just like anything else. For example, if the tensioner sounds bad, it's usually bad. Ford Galaxy Common Problems Solutions Hints and Tips. Your engine light will turn on as the alternator is no longer being driven by the belt. 3 Symptoms of Your Timing Belt Not Working. For one thing, the failure of the timing belt causes this. When engine sounds like it is just starting to run, it makes a piercing noise and shoots a vapor cloud out of the carb. Generally timing belt problems present themselves with no warning. The recommended replacement interval for the timing belt in the 3. The best thing that you can do is have the vehicle timing belt service performed on schedule. Timing chain vs. Replacement should be similar, but some steps might vary. You might hear it when going up a hill on the interstate: a rattling sound that goes away when you downshift or get off the gas. With the help of ProTorque, We've put together a list of problems and possible causes to help you identify the reason for timing belt failure. This happened to me. For enhanced durability, most of the timing belts are made from rubber reinforced with fiberglass. Damaged tie band. And yes, you would want to change everything out with this amount of miles on it, water pump, idler pulley, belt tensioner, timing belt, drive gear. May 23, 2016 — A Volkswagen timing chain tensioner lawsuit alleges numerous VW and Audi vehicles have defects in the timing chain tensioning systems that cause complete engine failure. V -Belt Troubleshooting Guide L is te d h e re a re s o m e o f th e m o re c o m m o n V -B e lt s y m p to m s a n d c a u s e s o f b e lt fa ilu re. If any of these signs are detected, the timing belt should be replaced immediately to avoid drastic consequences. Belts running on drives with angular shaft misalignment or tapered sprockets generally exhibit an irregular wear pattern across the belt tooth sides and irregular compaction in the land areas (in between belt teeth) cause by the irregular application of load to the belt. If your Miata is running unevenly, sometimes stalling, sometimes hesitating, there could be another problem. Timing belt All of the answers are possible reasons for a car shaking while idling. You won't know if the timing belt idlers are bad until you remove the timing belt and check them out. Sounds a bit like the Honda m/c cam-chain problem from the 80’s – I think it was to do with tensioner failure. Symptoms of poorly-set timing include engine pinging, running rich, or running lean. I also worked on VW's for ten years prior to opening my parts biz. Engine won't turn over. This is a sign that the entire timing belt needs to be checked and adjusted. 3 liter timing belt replacement, you might want to consider replacing the following parts also as you will access to them during this replacement: Radiator hoses, heater hoses, water pump, thermostat, crankshaft seal, timing belt tensioner, radiator or radiator flush, tensioners, fan blade, fan clutch, drive belts. I ain't buying that. 4 liter, 4 cyl Outlander engine? Learn more about Mitsubishi Outlander at the Edmunds. It might have just skipped a tooth or two (since you said it ran if floored) if that is the case it may be fine with a new belt. Early timing belt designs showed the strengths and weaknesses of driving the camshaft(s) with a rubber belt, often with disastrous results. Solution: The problem may be caused by a faulty check/control valve. It can be costly, but I encourage you to get it replaced on time, if you can.