What Happens If Timing Belt Is Tight

If it is too tight, place the belt over the motor pulley's nearest edge and then slowly turn the motor pulley to pull the belt around and into the pulley. Tight exhaust valves are a bad thing. PLEASE DO NOT ATTEMPT THIS WORK IF YOU ARE NOT CONFIDENT YOU CAN COMPLETE IT SAFELY. Prolonged strain can snap the camshaft. Troubleshooting STAIRMASTER 2 of 6 637-1531 Rev: A Under the Treadles Banging Noise The cable clamp is hitting the frame (Fig. Allow only the tensioner spring to load the timing belts. it can damage them depending on how far off the timing is but i think its safe to assume your ok because it wouldnt run if its to. Beginning in the mid 1980s, metal timing chains were widely replaced by rubberised timing belts or timing gears. The bad news is that labor at a shop isn't. If that happens to be due, consolidate some of the labor by doing the t-belt, t-belt. Your alternator belt is too tight, or you are using a belt that is old and worn. I have just had to get a valve job done to a Subaru when a timing belt broke well short of time to be replaced. It might also be called a "cam belt. We double checked the PN and it is the correct size belt. These two belts run side by side within the timing cover and because of space constraints both belts are relatively narrow in width. When positioning and timing is critical, you should consider using a timing belt structure as the base belt. iming Belt is a rubber belt which controls the timing of internal combustion engines. While a taut string or timing belt can stand a strong pull. So replacing this cogged reinforced-rubber. Problems with your vehicle's timing belt, or other belt driven accessories, are another common cause of engine vibrations in vehicles. In addition, the timing belt should always be correctly tensioned: not too slack and not too tight. When inspecting the belt, look for cracks or chips, and for teeth or ribbing that appears to be missing. If belt is still on tight can it be reset like it is? (2000 Isuzu Rodeo) If nothing wrong with belt an tensioners are good can timing just be reset or what caused it to jump in first place put the stretch in the belt so will happen again?. If it is bad and you go in to replace it I would do the water pump while you are in there. " With mileage, a timing belt wears out and can break. This stopped the leak at the timing cover and I'm happy enough about that. The lesser noise minimizes the background noise caused by a timing chain. The belt that drives a power-steering hydraulic-fluid pump is usually at the front of the engine, turned by a pulley on the crankshaft. The vibration is quite noticeable in the steering wheel. The only difference between a timing belt and a chain is that belts are made out of rubber, while timing chains are metal chains. Timing belt failure comes in three flavors: stretching, worn teeth and snapping, generally in that order. Ok so I am in the process of replacing the timing belt, water pump, tensioner, rollers, seals, the whole 9 yards. timing synonyms, timing pronunciation, timing translation, English dictionary definition of timing. I don't think it matters. If the belt is too tight it will cause excessive wear on the bearings in the alternator and any other accessories that it drives. When I was done, I pulled the belt, transferred the marks to the new belt (double and triple check by counting teeth on the belt) and then just put it back on in the same place. Replacing it will require man handling the belt on to the side of the crank pulley, then turning the crank pulley clockwise by hand until the belt slips on. Hi all, have a Craftsman LT1000 (917. It seems that the belt is too short. timming belt - Is it really necessary to change the timming belt at 60,000 miles on a 2006 Hyundai Tucson? Thanks × We use cookies to help our site to work, to help us understand how it is used, and to tailor advertising on this and other sites. My dearly departed 1995 Pathfinder SE, with regular maintenance, got from 54,000 to 187,000 miles, and ten years, before the frame rotted out. And that's the purpose of the timing belt - to keep the timing of the two separate so that doesn't happen. If this were to happen it would likely ruin the new timing belt, and cause significant engine damage as well. Non interference means the valve can be open or in any of its natural travel position and the engines piston can freely travel up and down without touching the valve, if you break a timing belt you have nothing to worry about, the only thing they need to do is position the crank to top dead center, position the cams back to their correct positions and replace the belt/s. Together these devices offer a high-speed power transmission solution that is resistant to slipping and misalignment. The timing belt is a rubber belt that runs over and through a series of pulleys and gears. Timing belt maintenance is extremely important! The A4 and Passat model utilize an interference-type, non-free-wheeling engine. If the belt tension is too loose, it will whip and if the tension is too tight, it will whine and put excessive strain on the bearings of the cog. Note: If your car requires the removal of an engine mount in order to remove the serpentine belt, or the belt’s just nearly impossible to get at, we recommend you leave the job to a professional. Tension acting in the tight side is quite straight forward and hence no doubt! When I see a belt drive in motion, I always see the slack side kind of deformed and. To measure it, you can use the $500+ Lotus Boroughs Gauge. I replaced water pump and timing belt and luckly the car did not have any bent valves. Timing chain's + point: Typically lasts an engine lifetime Timing chain's -ves : Less efficient, noisier, more expensive than a timing belt. Tight Engine Timing Belts Can Cause Havoc. So, the answer is yes, going to experienced timing belt replacement Melbourne shop is necessary. The Hyundai timing belt is typically made of rubber and is responsible for ensuring that the valves in the engine cylinders open at the right time. The only time you can re-tension is during initial installation if you find that you've got it too tight or loose. It will apply to all cars. The overall process is very easy: Install the seven studs. and loose or over tight belts are killers of flexible belt drives. pulley and timing belt. Hi all, have a Craftsman LT1000 (917. Once your bolts are loose, attach the pulley removal tool to the pulley and slowly pry the pulley from the assembly. Problem could be the timing belt itself. Common signs of loose alternator belts include a loud squealing sound, improper voltage and flickering gauge lights, according to Pep Boys. It’s like the first time for some other things, both scary and exciting at the same time. There are many reasons for that but one main one is that the compression will be low on all cylinders. Timing Belt Replacement on my 2008 PT Cruiser. Never tension a timing belt like an accessory Serpentine belt. After I rebuilt the top end, I believe I set the timing @ about 10 BTDC. Belts can slip when there is too much friction or if the belt is over-tightened. This will correspond to a notch in the case - to the line on your belt - to the mark on the camshaft. Considerations: HTD timing belt tooth profile fits snuggly in the PowerGrip GT2 timing belt tooth profile pulley. Some cars use the timing belt to drive the water pump, others do not and have an external pulley that's part of the drive system, but if the pump's under the cover it should be replaced anyway I had a KIA Spectra that had the external pulley and the pump was under the timing belt cover. The first symptom is usually a rattle on the start up. The new belt seems pretty tight, with no slack. This is not unusual and the fixes suggested by the garage are in line with that. 5SFE, there is a DIY in the stickies on how to change the timing belt, but bear in mind this is not easy task. Troubleshooting STAIRMASTER 2 of 6 637-1531 Rev: A Under the Treadles Banging Noise The cable clamp is hitting the frame (Fig. All the fairground cruisers with the belt so tight it whines at idle, better be carrying a spare belt. Timing belt failure comes in three flavors: stretching, worn teeth and snapping, generally in that order. The writer kindly referenced me as a “well-known wizard on the GL1000” and mentioned my timing belt change interval recommendation. So if you have a water pump in the timing belt assembly, make. For belts, it is even more important since they don't have a lot of signs before they break. explain what would and did happen quite often. I had the valve cover off and didn't see any indication of cracking or bending on the lobes or lifters, so I hoped for the best. The reason auto makers will use chain is when space is a really big deal and the added cost of chain driven timing system is worth it when it comes to getting more space in a tight engine bay. Replace cam belt (S1 K series manual tensioner) These instructions describe how to change the cam belt on S1 cars with a Rover K series engine. Labor costs are estimated between $308 and $390 while parts are priced at $467. They don't seat. The valves contacting the top of a piston is due to incorrect engine synchronization caused by timing chain/belt breakage and incorrect fitting of new belts and chains. In the picture below you can see the hydraulic tensioner in its installed position. It is a pretty clear sign that the timing belt has come loose and is now hitting another part of the car. All Gates timing belts are manufactured under tight quality controls. What happens when this component gives up the ghost, and how hard is it to fix by yourself? A timing belt is the. A spring-loaded tensioner keeps the belt tight, but after a while the tensioner will run out of travel and the belt will go slack. It really sounds like a tight timing belt to me. I'm getting a "whining/whirring" noise when the engine is revved. Tensioner, do you mean the timing chain tensioner, or the belt tensioner? Be sure to check the latter as well as the idler pulley; they are unrelated to the timing chain. Question on timing belt replacement Hello fellow Ducati lovers, Can anyone provide an honest answer on how often timing belts should be replaced? I've heard as often as every 2 years regardless of mileage though I find this hard to believe as none of my previous bikes have needed belt replacements this frequently. Also, the belt. Timing belts and other belts that are loose or damaged will cause components controlled by belts such as fans and other parts to not rotate or turn a consistent speeds which will result in strange. Apply RTV to the top connection of oil pickup tube. With regards to the oil use, it's possible that, when your timing belt snapped, piston rings were broken, damaging the bore, which could lead to excessive oil use. Not sure what has happened here. Being aware of the importance of the replacement at regular intervals is important, so turning to an Expert for information or extra help on replacement may be beneficial. All timing belts stretch, and most of that stretch occurs about 15 minutes after installation. When your timing belt tensioner reaches to last place, where you don’t have more space to tight it. It is made of a strong rubber material which includes cords that are nylon-reinforced. A loose alternator belt will affect the alternator's performance and will lead to automotive electrical failures, such as dead or weak batteries, dimmed headlights and engine stalling. I do this to observe timing but also to triple check measured tension of the belt (arnworx tool) What happens if I spin the engine and timing marks don't align when I get back to TDC? I assume I'll need to align the cam marks, remove the belt, and then spin the crank slightly more or less than 2x more rotations required to get to TDC on the. The load must go onto the belt as straighter and centered as possible. 2007 Grand Prix, 90K miles, original belt. Then I rotate back and forth a little bit and line up the crank again. If the belt is too loose it will end up whipping around inside the engine which will cause a variety of knock on effects and if the belt is too tight it will put a strain on the bearings of the cogs it's fitted to. Timing belt failure comes in three flavors: stretching, worn teeth and snapping, generally in that order. The timing belt connects the crankshaft to the camshaft which is the key in controlling the opening and closing of the engine’s valves. If the belt is too loose it will end up whipping around inside the engine which will cause a. The belt placement tool allowed us to remove and properly place the new belt without reaching down into the pulley area. The reason auto makers will use chain is when space is a really big deal and the added cost of chain driven timing system is worth it when it comes to getting more space in a tight engine bay. Some bikes can get away with more advance than others. We can't get the belt on. I admit I know nothing about the Mk2 engine's but £200 is loads just for a aux belt, If you don't want to do it just go to a local small garage and get a service+aux belt. In fact, a V-belt that is over-tensioned by 10 percent can produce a 10 percent reduction in bearing life of the motor, and over-tensioning is also the leading cause of V-belt failure. Certain vehicles have known serpentine belt problems, such as 1996-2000 Chrysler-built minivans with the 3. Once your bolts are loose, attach the pulley removal tool to the pulley and slowly pry the pulley from the assembly. Chrysler Timing Belt Related Questions A timing belt is a component of the internal combustion engine which controls the timing of the engine's valves. Remove the old belt. The lowest mileage interval I know of to replace a timing belt is 60K on certain Hyundai and Kia models. Crate motors for your car are not that expensive. Also I noticed some funny looking wear marks on the back of the timing belt like they were caused by the timing belt being loose or slipping. I know you'll hate this but remove timing covers and recheck located marks on gears and block/cyl. (on the facing belt left side). This is what it sounds like with the tensioner is too tight on the timing belt. A broken timing belt can cause catastrophic engine damage, therefore it is vital to keep the timing belt in good operating condition. After the screws are loosened, carefully move the hook to match the picture below. I now get a bad engine vibration at idle and when backing up and pulling forward. All timing belts stretch, and most of that stretch occurs about 15 minutes after installation. 2 Cause This occurs when the timing belt cables are not tight. Timing Wheel Installation. On the other hand, a worn out timing belt may break and damage your new water pump. That way, the timing belt's lifespan can be preserved. What I mean little is like oil smeared slightly onto the belt surface, but if a major part is already full of oil, change it. In fact, a V-belt that is over-tensioned by 10 percent can produce a 10 percent reduction in bearing life of the motor, and over-tensioning is also the leading cause of V-belt failure. I religiously check my oil for signs of coolant, and haven't seen anything to be concerned about. Others have asked what might happen when the belt breaks. You need to know why you need a timing belt. The car idles at about 1800 rpm and when driving it is sluggish until about 4000 rpm and then it takes off. If none of these factors are the cause of the problem, make sure to consult a professional auto mechanic so they can fix the problem for you. What happens when a timing belt breaks? When a timing belt is faulty and comes apart, the pistons in the engine will collide with the valves in the cylinder head, generally causing the valves to bend or brake. A misaligned pulley will cause a belt to squeal or chirp. I’ve seen some pretty impressive lint balls that get caught in the belt and it makes a terrible racket. Sometimes if you're not under any load, the belt can break and the engine just stops. is there a way to determine weather or not my belt is too tight? Thanks!! Featured Products from our Supporting Vendors. The Hyundai timing belt is typically made of rubber and is responsible for ensuring that the valves in the engine cylinders open at the right time. I'm trying to understand why I have been hearing people say to set the timing belt off counterclockwise by one tooth on the crank. I was that guystopped in the middle of the freeway. Any belt which is too tight on any apparatus will ultimately cause something to fail. If this happens, the new seals will leak and could be expensive to repair. Of course the easiest test (and why haven't you taken five literal minutes to do it?) is to pop the belt with the engine cold and start it to check for the sound. This synchronization is what allows valves to open and spark plugs to fire on time. That way, the timing belt's lifespan can be preserved. 3 V6 engines we have are known as "interference" engines, meaning that the valves and pistons will get in each others way if they aren't controlled. Still others have asked whether their car even has a timing belt. The Causes of Internal Engine Knock, and How to Eliminate it. Car manufacturers recommend replacing a timing belt in regular intervals. I assumed the upper main shaft had to be removed from the machine to get a new belt onto the shaft. After checking the belt, the cover must be put back on to shield the belt from liquids that could cause it to slip. It's also worth noting that even if you throw caution to the wind and end up getting the timing wrong, usually all that happens is that the engine runs like crap. This synchronization is what allows valves to open and spark plugs to fire on time. If the timing belt has been replaced then it is. 0? Finally got around to resetting the timing on my 3. What you are doing when you "adjust the valves" is adjusting the clearance between the rocker arms and the valve stems. The tensioner is spring operated, and over time the spring may fail, or the timing belt may stretch enough that the tensioner can no longer keep the belt tight. When is a belt too tight? and i relly dont want to take everything off again if i dont have to. Don't want to risk the belt snapping. "Next time I'm doing the job myself". If a car uses an interference engine, meaning the pistons and valves occupy the same physical space in the combustion chamber but at different times in the firing process, a popped timing belt could very well destroy an engine. So here we are, "next time" is now. The Hyundai timing belt is typically made of rubber and is responsible for ensuring that the valves in the engine cylinders open at the right time. By Justin Stobb on June 23, 2009 in All Wheel Drive Auto News , Blogroll , Subaru Maintenance , Subaru Repair Seattle So your Subaru is due for its timing belt. I replaced the pump and put a new timing belt on and for the first 1000 miles I've been driving it has been fine. if the belt should loosen then the circuit will be broken then the warning light will come on, It is designed to not be enabled till after 3 minutes of engine run time to let the engine heat up, when the engine is cold the belt can sometimes be a. It can be done by hand, but can be extremely frustrating. It is how the power gets from he engine to the tires. ️Belt Tension: How To Know The Correct Tension. This means new timing and balance belts and a new oil pump bolt every 50k miles, and replacement timing belt covers, new tensioner, and shaft seals on a regular schedule. Normal procedure after installing the belt is to turn the engine over while watching the tensionerit will move around slightlyand then tighten the tensioner down when it's at the "most extended" point. In addition, the timing belt should always be correctly tensioned: not too slack and not too tight. When compared to the old one it was the same size. The vibration is quite noticeable in the steering wheel. Timing belts and other belts that are loose or damaged will cause components controlled by belts such as fans and other parts to not rotate or turn a consistent speeds which will result in strange. This included the water pump, timing belt, TB tensioner, idler and tension pulleys. I doubt that I’m worthy of the credential bestowed upon me by the writer of that letter! In any case Stu Oltman, GWRRA’s Senior Technical Editor, took exception with my timing belt change interval advice. But alas, it was the timing belt. Is it possible that an overly tight belt could lead to damag… Recently after replacing the serpentine belt in my 1992 MB 300TE 4matic, the bearings on the air pump failed. So here we are, "next time" is now. Back to FAQ: Engine Seals,Belts, Crankcase Ventilation (contributed by Dave Stevens) Introduction and Cautions. That thing breaks and it's bye-bye valves and pistons. Double check the cam dot/line location against the valve cover V mark, and that the crankshaft TDC mark is still lined up on the flywheel against the transmission casting reference mark. That is why it is a good idea to keep an eye on your timing chain or belt. The timing belt had torn through the timing casing at the top and was within a few miles of really messing up my newly rebuilt engine of a few weeks. In addition, a tensioner is a relatively inexpensive part to replace. The Hyundai timing belt is typically made of rubber and is responsible for ensuring that the valves in the engine cylinders open at the right time. it can damage them depending on how far off the timing is but i think its safe to assume your ok because it wouldnt run if its to. In most cases, changing the timing belt requires taking a lot of stuff off the car. My rule of thumb is that ideally you should be able to twist the belt about 45 degrees w/your fingers. Most timing chains use a tensioner to keep them tight and to keep them from jumping. However, if the timing belt were to get loose or worn out, there will be a strange ticking noise generated as it rotates. A belt that is too tight puts an extra strain on the generator and water-pump bearings , and often causes the premature failure of these bearings. The timing belt itself is a reinforced rubber belt, where Kevlar or fiberglass fibers are used to give the belt strength and resist stretching. Yea, if the timing belt was slipping, your vehicle would not be running anymore. My dearly departed 1995 Pathfinder SE, with regular maintenance, got from 54,000 to 187,000 miles, and ten years, before the frame rotted out. Which belt ? Accessory belts in most modern cars have automatic tensioners. Also, the belt. In some vehicles, the drive belt also serves as a timing belt, keeping. The other thing is, I just could not afford to change the timing belt, as the cost is about 900$+ as per his quote. If a car doesn't start after this repair, the timing must be checked first. In addition to belt wear, the pulleys, bearings and seals can all be damaged by inattention to basic installation requirements. 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. You basically have to go by feel here. Therefore, Rob Marshall advises that the outlay is both worthwhile and essential. We double checked the PN and it is the correct size belt. 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. Tight exhaust valves are a bad thing. The coolant can be changed when the water pump is changed during timing belt service. Breakage is not the only reason to replace your timing belt. Once the tensioner reaches the end of its travel, it can no longer keep the timing belt tight. It’s like the first time for some other things, both scary and exciting at the same time. hi I’m Rob Dana and today we’re gonna I’m going to show you how to put a timing chain on the front of a small block chevy it’s pretty similar with all other engines how we do this you’ve got two gears you get one gear that goes on the crankshaft and we’ve got another […]. What kind of symptoms would it have if it is one tooth off?. The drive belt(s) have to be taken off to do the timing belt. Editor's Note: This guide gives a good overview of the timing belt replacement. Therefore, Rob Marshall advises that the outlay is both worthwhile and essential. If the timing belt breaks, the valves in the cylinder head may strike the pistons, causing potentially serious (also time-consuming and expensive) engine damage. Also, the belt. The timing belt was changed two and a half years ago along with all the pulleys, tensioner and the water pump. When the tensioner pully bolt is torqued, it will not move to adjust itself. head and reinstall t. A spring-loaded tensioner keeps the belt tight, but after a while the tensioner will run out of travel and the belt will go slack. I completely forgot to take a picture of those but you can feel them. The timing belt, on the other hand, is a toothed rubber belt that's only slightly heavier-gauge rubber than the serpentine belt and is designed to be replaced after a certain length of service. The proper tension on the timing belt is important to keep it tight. Remember only the waterpump can move at this point so if there's too much slack on one of the other pulleys, lift the belt and push it over a tooth. Also I had an alternator to fail just after the engine was worked on by the dealer-the mechanic told me a new guy got the belt too tight and the alternator squalled and they had to replace it -was under warranty. Crate motors for your car are not that expensive. What happens is that the belt stretches under load, becoming looser. In addition, the timing belt should always be correctly tensioned: not too slack and not too tight. Some notes on this in the links below. If the valve timing is off then the engine will run poorly. As the belt stretches it can become loose, so the tensioner needs to adjust the belt as needed to keep it tight. The timing belt replacement interval coincides with, and is usually part of, a scheduled maintenance. I am writing in regards to the 90,000 km major service that my car received on the DATE. Timing belt's disadvantages: Needs to be replaced at specified intervals. However, since replacing the eccentric bearing and belt, the belt is overhanging by about 0. Proper tension is critical, it happens by allowing the spring on the idler to press on belt with the pulley. Do not add force to a belt by pushing on the tensioner. When the tensioner pully bolt is torqued, it will not move to adjust itself. If the timing belt snaps, they run into each other, causing bent valves (most common), cylinder head or camshaft damage, and possibly piston and cylinder wall damage. Your Cambelt is the connection point between the crankshaft and camshaft, maintaining a constant, timed motion when the engine is on. I'm trying to understand why I have been hearing people say to set the timing belt off counterclockwise by one tooth on the crank. After I rebuilt the top end, I believe I set the timing @ about 10 BTDC. Re: Yamaha F150 2006 Timing Belt I assume that you want to change it. Labor costs are estimated between $308 and $390 while parts are priced at $467. Hello! I have a Singer 66, and am trying to get it in working order. Whether serpentine, V-belt or fan belt (the belts on the outside of the engine), they all transmit power from the front of the engine to accessories that need to be driven, such as the air conditioning, the charging system and fans. If the belt fails or slips enough teeth, you WILL come to a stop and may be in for A LOT of damage to both your motor and wallet. Your alternator belt is too tight, or you are using a belt that is old and worn. I asked for him to check if timing belt was too tight. Don't start your engine if you fill it with the wrong gas, experts say. I don't know if my timing is the issue here or what is but if anybody has any ideas please let me know. And the engine won't run until you replace the timing belt. It is also there to help set the tension when rotating the engine a couple degrees in the direction of engine rotation. What Happens When it Breaks. What happens if a timing belt is not replaced?. I doubt that I’m worthy of the credential bestowed upon me by the writer of that letter! In any case Stu Oltman, GWRRA’s Senior Technical Editor, took exception with my timing belt change interval advice. If the engine is equipped with a hydraulic timing chain tensioner, the noise may disappear or lessen as the engine oil warms up and the tensioner removes some of the slack. In simpler terms, the engine parts ram into each other and become damaged. so we can access it better so up it goes and off comes the wheel there it goes and as you can see now we can access the fan belt and the pulley to see if anything’s going on AC alternator belt we just loosen this bolt even though the one down there top ones 14 millimeter huh that’s loose but the bottom on is an. I tried to move the belt back and forth to see if it was loose and it seemed to be very tight. You may hear a constant knocking or slapping sound. Timing belts tend to bear against at least one tensioner and idler, plus at least two pulleys or more. This part of the engine ensures that the valves operate in the correct timing system. It really sounds like a tight timing belt to me. The mechanic didnt even look at the timing belt, he told me when I took the car for a service looking the the Kms. I think valves that are too tight which could happen if clearance is too tight, not. HTD Timing Belt in a PowerGrip GT2 Timing Belt Pulley Stress Analysis. The failure of either belt is critical as even if the balance shaft belt breaks, the broken belt usually gets caught in the timing belt and results in timing belt failure. Well I fried one alternator when the belt slipped-apparently they heat up when they are not going fast enough-belt was slipping. August 31, 2011. The coolant can be changed when the water pump is changed during timing belt service. Although it the gap between body frame and engine looked tight at first sight, there seems to be plenty of room. Hi all, have a Craftsman LT1000 (917. What happens when a timing belt breaks depends on whether you have an "interference" or a "non-interference" engine. 3 V6 engines we have are known as "interference" engines, meaning that the valves and pistons will get in each others way if they aren't controlled. is there a way to determine weather or not my belt is too tight? Thanks!! Featured Products from our Supporting Vendors. When inspecting the belt, look for cracks or chips, and for teeth or ribbing that appears to be missing. A car's timing belt can start to melt and snap if it is fitted too tight. Timing belt or timing chain? Not all cars have a timing belt - many newer cars use a timing chain instead of a belt. If it is too tight, all of the bearings will be stressed, which is definitely also a bad thing. Also yes, I’ve had experience on a friend’s car on what a motor sounds like when you try to crank it with a snapped timing belt. You basically have to go by feel here. There are two styles of tensioners used on the V6s — one is sealed, while the other has a service bolt on the backside. To check if the belt is too tight, lift it in the center. then go around the idler and waterpump. It talks about the tightning angle of the crankshaft pully bolt, and I saw a small scale on the timing belt cover. head and reinstall t. Ok so I am in the process of replacing the timing belt, water pump, tensioner, rollers, seals, the whole 9 yards. to check the belt tensioner, you look by the pulley. Or, if you don't add a mark, you will have to re-time the distributor when you have finished (easy enough if you have a timing light). We can't get the belt on. What happens if a serpentine belt breaks? What can cause a belt to squeal? When should you replace a serpentine belt?. So, the answer is yes, going to experienced timing belt replacement Melbourne shop is necessary. Timing Belt Replacement on my 2008 PT Cruiser. A $1000 timing belt job every few years is a lot cheaper than a $5000 replacement engine. ( Extra car needed here, if the spanner slips off the nut the tensioner will tighten up the belt, (should your finger be under the belt when this happens then you’ll have one less finger to worry about. He also said that the timing belt "could be one tooth out. While the timing belt is moving inside the motor, it is placed under a lot of stress and tends to wear out quickly for this reason. Never tension a timing belt like an accessory Serpentine belt. The mechanic didnt even look at the timing belt, he told me when I took the car for a service looking the the Kms. It is vital in the process of making the car run smoothly as it also ensures the crankshaft and camshaft rotate in synchronisation. If you force the tensioner tighter by pushing on itthen the belt is too tight. My belt is it's just a loose or worn engine belt. I had the valve cover off and didn't see any indication of cracking or bending on the lobes or lifters, so I hoped for the best. Even though the timing chain itself will probably outlast the rest of your truck, the guides and tensioners are less reliable. If you want to check before replacing all of the seals and water pump, all you really need to install is the new belt, the guide plate and crank pulley & bolt. 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. 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. Porsche 944 engine oil leak timing belt replace? i resently bought a porsche 944 non-turbo 1985. Also yes, I’ve had experience on a friend’s car on what a motor sounds like when you try to crank it with a snapped timing belt. The VG30E an VG30ET motors are interference engines meaning the valves and pistons do share a common space. If something happens to the tensioner, it can cause the timing chain to jump prematurely. Timing belt changed now loss of power 8th Feb 15 at 5:03 PM #1 HI I had the timing belt, water pump and drive belt changed on my peugeot 807 yesterday by a mobile mechanic. The timing belt was genuine Mitsuboshi ,exactly like the original. I'm not new to timing belt jobs but am new to the Toyota V6 motor. If a car uses an interference engine, meaning the pistons and valves occupy the same physical space in the combustion chamber but at different times in the firing process, a popped timing belt could very well destroy an engine. Sometimes if you're not under any load, the belt can break and the engine just stops. And the engine won't run until you replace the timing belt. Most timing belts should have a half turn of play on them. A belt that is too tight puts an extra strain on the generator and water-pump bearings , and often causes the premature failure of these bearings. In these engines, called "interference" type engines, even a slight slip in cam timing can be catastrophic and result in a complete engine overhaul -- thousand of dollars. In cars with a timing belt, an old belt can jump/skip a few teeth, which will change the timing. If your timing chain breaks, then that is a terrible thing. Some bikes can get away with more advance than others. A Hyundai Accent timing belt can generally last for between 60,000 and 100,000 miles. In addition to belt wear, the pulleys, bearings and seals can all be damaged by inattention to basic installation requirements. So if you have a water pump in the timing belt assembly, make. Also I had an alternator to fail just after the engine was worked on by the dealer-the mechanic told me a new guy got the belt too tight and the alternator squalled and they had to replace it -was under warranty. 4tdi 2004 75bhp around the timing belt area,i up i have as it happens bought a genuine tensioner and belt. Pocket Profiles. I have a 2000 Accord with a 2.