Timing Belt Off Tooth Symptoms

So i got a 3rd warrenty replacement on the tensioner at the local auto store, and this time i decided to keep the timing belt cover off of the engine, so i could monitor the belt tension. 5L Isuzu Trooper that has just had its second DAYCO timing belt tensioner failure in 500 miles. I want to know if there is a quick method of testing the timing before I got into the tensioner and timing belt?. a thad? meaning a tooth? wtf a thad? is there any hairpin adjustment somewhere? the rotor cap at rear of cam maybe?. An engine with a jumped timing chain will show signs of very sluggish and slow starting. So how do i line them back up. After getting the timing belt on, remove whatever you used to retract the tensioner pulley, and then rotate the crankshaft 2 complete turns and check the cam pulleys again for position. The Tech told me that there was a bolt missing off of the timing belt tensioner. Changed the water pump and timing belt, I tightened the belt and now my car doesn't sound the same. doing timing belt on 05 jetta 2. You can then displace the steady bar and remove the engine mount, allowing access to the cam belt with the engine in situ. If it is shoved too far to the pump head (driver) side, the engine will keep accelerating. a thad? meaning a tooth? wtf a thad? is there any hairpin adjustment somewhere? the rotor cap at rear of cam maybe?. One hallmark sign I see when the belt is off a tooth is the inability of the engine to rev quickly. Description:150XL 037 Timing Belt 75 Teeth Black Cogged Rubber Geared Belt 10mmSpecifications:ItemXL Series Belts Positive DriveBelt Number150XL 037Belt SectionXLBelt Width10mm / 0. The local dealership, though, gave a quote of $250 to replace the timing belt, and didn't say anything about boring the heads or the water pump. When I hand crank the crankshaft I can only get about 30 degrees before it just gets tight and locks up, wont turn anymore. TRING TO SET CAM TDC BUT CANNOT FIND MARK ON CAM , SHOULDN'T THERE BE A LINE MARK ON OUTER PART OF TEETH , IF SO CANNOT F …. The crank is ruined and so is the pulley. It's too cold to go out to mess with anymore tonight so i thought I would ask. how do you adjust for that??? does the oil pump move??? cam timing issues - Ford Ranger Forum Ford Ranger Forum - Forums for Ford Ranger enthusiasts! > Ford Ranger Technical > General Tech. This occurs when the timing belt skips a tooth on the camshaft due to being too loose or stretched. Tone ring on crankshaft slipped/broken. Wiki User 03/27/2008. It has not been cranked in over a month. Toothed belts are used in a wide array of in mechanical devices, where high-power transmission is desired. When the mark on the cam is aligned with the arrow, the flywheel mark is just entering the window, at the 10deg mark (pics 1 & 3). Order Timing Gear/Sprocket for your 2005 Nissan Xterra and pick it up in store—make your purchase, find a store near you, and get directions. Check the "Possible Causes" listed above. ok so i had my car tuned about 3 months ago. The relationship between the moving parts of an engine is engineered to extremely high tolerances, kept in check by very. Your timing must be at the correct setting for your car to perform at top level,. Sounds like the timing is off a tooth or so. Parting Tips. The same is true of worn, frayed or stretched timing belts and worn timing gears. If the marks don't line up exactly, but are only off by half a tooth, use some chalk to mark the positions. So i got a 3rd warrenty replacement on the tensioner at the local auto store, and this time i decided to keep the timing belt cover off of the engine, so i could monitor the belt tension. My sons and I have done two 1. You won't know if the timing belt idlers are bad until you remove the timing belt and check them out. "Play" accumulates, the belt is not sufficiently tight, and it jumps one or more. In searching the forum, most threads referencing poor performance indicate to check the timing, so I did and it looks like the timing is off by a tooth. It's fairly easy. What are timing belts and why do they cost so much? Updated 11 Oct 2019 Rachel White Somewhere around each 40,000 to 150,000 kilometres – it varies from model to model – servicing your car gets to be a big pain in the wallet. Sounds like your timing belt is one tooth off on the cam, this I have seen before especially if it is a twin overhead cam. If the cables are installed properly, there is no items of rubber that may peel off. It will quit running if it breaks. just very slightly. What about if the cam is off a tooth? Somehow when you lined up the dots on the timing set you was off one. Removing the timing cover, the belt and all looked good, but when TDC was lined up on the ring gear, the cam and the IP looked to be one tooth off. Replaced the timing belt when the motor was out, the marks didn't line up perfectly on the crank and the cam, but they were pretty close, it seemed almost like it was half a tooth off. 3 Ford is relatively simple compared to our front- and all-wheel-drive competition. Symptoms of Being 1-Tooth Off on Cam Timing - posted in Advanced Virtual Mechanic: We were having some discussions around the shop regarding what the symtoms would be if you were 1-tooth off on cam timing in either direction (with a stock cam). We often get asked how to line up the timing belt marks on a Toyota 1MZ-FE engine. The Symptoms of a Failing Timing Belt Your timing belt is an essential component of your engine. Also check for clogged gear or chain lube drains. This process also throws off the timing of the opening and closing of the exhaust and fuel intake causing the engine to stall or sputter. My 4Runner's timing belt idlers were bad at 183,000 miles. 1 )INSPECT TIMING BELT Do not bend, twist, or turn the belt inside out. This is one of the main symptoms of a bad timing belt. I've recently had the same issue with a Tundra V-8 that the RH bank camshaft jumped 1 tooth mysteriously, causing missfire codes on all RH cylinders. It operates your vehicle's camshaft. Timing Belt Skipped Tooth If this is your first visit, be sure to check out the FAQ by clicking the link above. It will quit running if it breaks. This is caused by the crank and cam not being synchronized as they should, which messes up your timing / valves not opening and closing when they should. I changed the timing belt. It isn't uncommon for this to happen and if it does, you can rotate the pulley(s) back in position before fitting the new timing belts. A timing belt synchronizes the camshaft to the crankshaft position, so the valves will open and close at the proper timing in relation to the position of the pistons. Timing belt cover (large black cover, 11 bolts) Set crank at TDC #1 (should read 0 degrees and both cam marks should be up, if the cam marks do not line up turn the crank one full turn) Timing. Order Timing Gear/Sprocket for your 1967 Pontiac Tempest and pick it up in store—make your purchase, find a store near you, and get directions. If it jumps a tooth, or breaks entirely it can lead to permanent engine damage. The dealer did the timing belt at the specified interval 105k. Hi guys are gals, can you tell me the symptoms of incorrect cam timing? For example - advanced cam timing = will move the torque band down as comp is increased at lower RPM as the exhaust valve is closed sooner (in relation to rotation of the crank). You would probably get a check engine light if you didn't get your valve timing marks right. One has rounded teeth, while the other has square teeth. Is this matching of the timing marks on the cam wheel and the timing cover really critical? Got the crankpulley bolt off. If this happens to you, note the direction of your error, slide the belt just barely off the cam sprocket while holding it tightly against the crank sprocket, turn the cam slightly, and reposition the belt. 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. Toyota Camry 1997-2001: How to Replace Timing Belt and Water Pump. I lined up all the marks, tightened it all up and it ran fine. i have always checked the timing by pulling off the front case not that big of a job, you could just take the rocker cover off and feel the valves working around TDC but not that accurate. The local dealership, though, gave a quote of $250 to replace the timing belt, and didn't say anything about boring the heads or the water pump. Solutions have included cutting belts in half, counting teeth and thousands of forum postings. After I put the new timing belt on and applied tension I tried turning the crank over to make sure everything is lined up. once the engine is running you have a waveform; you need a known good waveform to compare readings. I dont want to take off the timing belt completley off because it looks like a bitch (pull the engine n' other shit) plus the belt was already replaced along with the water pump 10K miles ago. If this happens to you, note the direction of your error, slide the belt just barely off the cam sprocket while holding it tightly against the crank sprocket, turn the cam slightly, and reposition the belt. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Also, an access plug or cover is provided in the upper portion of the timing cover so that camshaft timing can be checked without cover removal. This results in a loss of synchronization and engine performance. Causes may include: Timing chain stretched, or timing belt skipped a tooth due to wear. "Play" accumulates, the belt is not sufficiently tight, and it jumps one or more. Slide the timing belt onto the camshaft sprockets with slack on the tensioner side and no slack between the camshaft sprockets. Hi Dayco, I have a 2000 3. This occurs when the timing belt skips a tooth on the camshaft due to being too loose or stretched. Order Timing Gear/Sprocket for your 1967 Pontiac Tempest and pick it up in store—make your purchase, find a store near you, and get directions. There are other spots to check such as the oil pump and the large piston access 12mm allen head bolts in front of the block also leak oil sometimes. If your timing belt skipped or slipped a tooth,your car wouldnt be running as smooth as you say. It may run poorly and. thiers NO low end power. As the original owner I recently installed a Dayco timing belt water pump kit WP303K1A at its first recommended interval. A typical timing belt will only cost between $25 and $50, but the repair takes at least a few hours. I dont want to take off the timing belt completley off because it looks like a bitch (pull the engine n' other shit) plus the belt was already replaced along with the water pump 10K miles ago. I was wondering if just putting a new timing belt on will get the truck going - I thought that valve damage would lead to near zero cylinder pressure. Remove the timing belt. The vehicle's Ford F150 Timing Chain matches the motion of the crank shaft and piston position with the radial motion of the cam shaft. Gates GT2 Timing Belt Timing belt is a bendable and flexible belt that have teeth in its inner surface. Yep, my manual reads line up the timing marks, install the belt then rotate the crankshaft two turns then tighting the idler to torque. The disadvantages to individual drive belts are the fact that there are multiple to change, they are a bit trickier to get to the right tension, and they can rotate on the pulley under hard load. The manual says to use a vertical press, but I did it with a C-clamp. Accessory belt wear symptoms The auxiliary belt, tensioner, idler and pulleys inside the accessory belt drive system work together smoothly, to provide the drive for systems such as the power steering, alternator, air conditioning and, sometimes, the cooling system via the water pump. When the mark on the cam is aligned with the arrow, the flywheel mark is just entering the window, at the 10deg mark (pics 1 & 3). manufactures recommended mileage interval !. 2 EJ20g but i keep ending up a bit off, I am using an aftermarket replacement belt for the 98 DOHC 2. Can be other issues not just the timing chain , can be a bad cylinder head as well which mine is with excessive end play , which calls for a head replacement if out of spec for a shim kit. I'm following the procedure from a downloaded Honda service manual and a site where a fella gives some step by step instructions for doing a b series in his Integra. The relationship between the moving parts of an engine is engineered to extremely high tolerances, kept in check by very. This incorrect tension can lead to other problems like excessive tooth wear, tooth shear and belt noise just to name a few. When you mentioned that it felt like the tranny slipped,this could be the flex plate moving. 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. Symptoms of Bad or Failing Timing Gears (Gear To Gear) it seems that the mechanic put the timing belt back on one tooth off. Reference the model year with the corresponding engine to see if your car has a belt or a chain. Engine is bad ! Honda Civic D Series Timing Belt Replacement (Part 1) Off History Help. This is an important step in our D16Y8 SOHC Timing Belt change How To. FE engines use a timing assembly very similar to other Ford engines, with the aforementioned cam thrust plate, an offset positioned dowel pin for locating, and a single. It is used in many Toyota and Lexus cars from 1994 to 2003, including the Lexus ES300 and RX300, and the Toyota Camry, Avalon, and Solara. “People are a lot more aware of the timing belt, and the mechanics are educating drivers more about them,” Roberson says. This was in a 2006 VW TDI. Whenever a vehicle with an unknown service history comes into your repair facility or is recently purchased, here are some points that should be asked to help prevent costly engine damage:. You should also replace the top & bottom radiator hoses and the three fan belts. Backfiring, lack of power and bogging are common symptoms of an engine that is not timed properly. he said timing is off a thad. Well, if you buy the car with the 100K t-belt schedule, then, over the life of the car, you'll save $1000 in maintenance over the car on the 60K schedule! This is in theory. The Symptoms of a Failing Timing Belt Your timing belt is an essential component of your engine. Can be other issues not just the timing chain , can be a bad cylinder head as well which mine is with excessive end play , which calls for a head replacement if out of spec for a shim kit. >Thanks, in advance. The original belt had a lot of slack there as well. Checking the timing can be done in two ways. he said timing is off a thad. Note: -The car starts and runs ok, it is throwing ZERO codes, normally ppl seem to have a cam pos'n code when they are one tooth off. Sounds like the timing is off a tooth or so. In fact, if this is your first time doing the timing you might want to consder repeating the steps a few more times to confirm you get the same reading. If the cables are installed properly, there is no items of rubber that may peel off. I check it with a timing light and i have the distributor pulled back towards the front of car completely to reatd the timing on it the fullest. Once this is done remove the fan, pulley and belt. Roberson says replacing a broken timing belt used to be common, but now he says most replacement jobs are for preventive maintenance. Faulty timing belt symptoms include a loss of power, loss of fuel economy, misfiring and engine vibration. Is my timing belt off a tooth or two? Help, Advice, Owners' Discussion and DIY Tutorials on the Volvo S80 model. 5L I have worked on this car before and it is a pretty straight-forward car. It is used in many Toyota and Lexus cars from 1994 to 2003, including the Lexus ES300 and RX300, and the Toyota Camry, Avalon, and Solara. I look at my marks on the harmonic balancer and it shows 0deg (TDC) if i advance the distributor any more it goes more away from where i would want to be. Position the crankshaft and the camshaft pulleys as shown before installing the timing belt. You will need a simple torsion bar type torque gauge to set the belt tension - a micrometer 'click' type torque wrench is no use for this job. Just make sure all timing marks match up, and most important, spin it around by hand a few revolutions, and make sure those timing marks line up. What has happened is my car now runs like complete crap. My 4Runner's timing belt idlers were bad at 183,000 miles. The timing belt is located under a timing cover and is in the front of. This results in a loss of synchronization and engine performance. I event took the sensor out plugged it in and ran my screwdriver between the magnets and watched the volts brake on the center wire, and all that checked out. These are not direct symptoms of a bad timing belt, but if the car runs hotter than it should or is leaking fluids, it can cause undue wear on the belt and possibly cause it to. no banging sounds so the valves arent hitting. Both of them should be pointing straight up (maybe a 1/4-tooth off, but no more). no need to even put in the flywheel lock (I pull the plugs to make. Re: noticeable symptoms if timing belt is off by one tooth ? If the marks line up, with the crank pulley mark pointing at 0 TDC on the plastic scale and the hole in the cam spoke lines up with the. Engine is bad ! Honda Civic D Series Timing Belt Replacement (Part 1) Off History Help. Chris, from the pictures, I'm about 90% sure your cam timing is off. Essential for adjustment of the mechanical belt tensioner on the engines with twin cams allows you to complete the adjustment correctly and fast. Timing belts, as a rule, should be replaced every 30,000 miles. just runs like doggy poopy, kinda nervous to leave the. I just replaced both head gaskets with new OEM ones (11044AA355) and I'm using new idlers from an aftermarket timing belt kit for a EJ205 (all but the tensioner, which is the original OE unit). WOW, someone had it exactly backwards, or 180 degrees off. It isn't uncommon for this to happen and if it does, you can rotate the pulley(s) back in position before fitting the new timing belts. There were also P3400 and 3497, which I think are a separate and well known issue. What kind of symptoms would it have if it is one tooth off?. 3 Ford is relatively simple compared to our front- and all-wheel-drive competition. Most commonly you will notice symptoms while trying to start your car or if it's making funny noises and acting-up while running. 5 Hyundai is a serious PITA to do timing belts on. Some do not include ALL of the parts that can fail a timing belt. In this tutorial, I'll show you two of the most effective ways to see if the timing belt is broken and in a step-by-step way. Symptoms of Being 1-Tooth Off on Cam Timing - posted in Advanced Virtual Mechanic: We were having some discussions around the shop regarding what the symtoms would be if you were 1-tooth off on cam timing in either direction (with a stock cam). todays task was to take timing belt off and re time it properly and see if that fixes the "ticking" noise. In general, any time the engine timing cover(s) is(are) removed you should inspect the belt for premature parting, severe cracks or missing teeth. Parting Tips. If you just put the new belt on without checking the timing marks, your new belt will also be one tooth out, and your engine will run but not quite as well as it should. On closer inspection of the belt, it had many missing teeth. move the #1 wire to align with the rotor, rotate distributor if needed. The timing belt is a critical component in your Subaru engine, and because it rarely gives any indications of imminent failure, it is easy to neglect it, with disastrous results. Tie the timing belt to the intake sprocket with a tie wrap. Honda Civic Timing Belt was off Two Teeth. This is one of the main symptoms of a bad timing belt. “People are a lot more aware of the timing belt, and the mechanics are educating drivers more about them,” Roberson says. Can be other issues not just the timing chain , can be a bad cylinder head as well which mine is with excessive end play , which calls for a head replacement if out of spec for a shim kit. A bad timing belt or timing chain can be a serious issue. How to Adjust Timing. before it was pouring water from the exhaust. It runs rough at an idle and has no power. That's the most common failure of a timing belt. The timing belt is pretty substantial, but it is, after all, a rubber belt and the actual service life will depend a lot on environmental and use conditions. If it is off by one tooth, and a non-interference engine, it may run, but not well. Bad cam sensor. Anytime you take a timing cover off, take a quick look at the timing marks, then check for excessive backlash, gear or sprocket wear and belt or chain play. When the belt fails it is unlikely to actually snap, instead it is more likely that the teeth of the belt will break off. The timing belt is made of a hard rubber compound. The only thing obvious was that the belt teeth had worn down a bit, which makes the cam timing sloppy, and for these VVti engines, is pretty critical. Post subject: Re: noticeable symptoms if timing belt is off by one tooth ? I think Autozone or Pep Boys have free loaners in most locations. take off the AC belt tightner assembly a few bolts disconnect alot of the electrical connectors and hoses that run along the top front of the engine so you can get them out of the way. The belt is designed for the running of an engine or a machine over the matching of tooth pulley. I have done a timing belt on a 1995 nissan pathfinder before believe me it is no picnic I will briefly run through the procedure for Pics of my '93 Pathy/ timing belt - Page 2 - Off-Road Forums & Discussion Groups. I idled the bike yesterday for a min or two and it was low, but steady. Some do not include ALL of the parts that can fail a timing belt. today i took it out for a spin and it would stall and it isnt running very well. The problem is that there are several different tooth profiles or shapes for 3mm, 5mm, 8mm and 14mm pitches not easily discernible without proper tooling. Do not let it come into contact with any oils or solvents. Despite the fact that Ford F150 Timing Chains are tougher than the timing belts made of rubber, they can still fail and be the cause of critical damage. if the timing belt did jump a tooth what would the symptoms be,the reason i ask is my tensioner for the injector pump went a few days ago, we put in a new tensioner and all was good for 2 days. Note the speed at which the engine tries to start, comparing it with a normal start condition. 150XL 037 Timing Belt 75 Teeth Black Cogged Rubber Geared Belt 10MM. It's important to know the symptoms of a bad timing belt or chain, so this doesn't happen to your Scion XB. Symptoms of a Bad Timing Belt #1 - Rough Idling of the Engine. One has rounded teeth, while the other has square teeth. It is used in many Toyota and Lexus cars from 1994 to 2003, including the Lexus ES300 and RX300, and the Toyota Camry, Avalon, and Solara. Just make sure all timing marks match up, and most important, spin it around by hand a few revolutions, and make sure those timing marks line up. Align the camshaft sprockets (2, 7) timing reference marks (1, 8) with the marks on the rear cover. This Timing Pulley has beefy 3GT grooves and includes an 8mm Clamping Bore perfect to use with the 8mm Metric Acme Lead Screw. Re: Timing chain Timing of this thread is interesting. The belt is designed for the running of an engine or a machine over the matching of tooth pulley. After all, it’s around this point in the vehicle’s life span that most timing belts need to be replaced. I can rotate the crank (with t-belt still 5 teeth off) and it doesn't feel like the pistons are hitting anything. a thad? meaning a tooth? wtf a thad? is there any hairpin adjustment somewhere? the rotor cap at rear of cam maybe?. as some sort of aid. I did my timing belt and I was a tooth off and it ran fine had a bit more power and a better boxer rumble. Dude, if your timing belt were broken, you would know it--your engine would not even start. ps- i also read you bought or were buying a timing belt off ebay , im curious as to if you counted the teeth on the old and new belts before fitting ??? please goto a toyota dealers and buy the belt that matches the chassis number. When Do Babies Start Teething? Teething symptoms can precede the actual appearance of a tooth by as much as two or three. The following is a good animation from YouTube of an engine which shows how the timing belt operates and is connected to the valves by the camshafts. I have a 2007 honda accord i am changing the timing belt and water for maintenance reasons. If you're in neutral and hit the gas, it takes a second or two for it to rev up. 8T timing belts, and both times we ended up off by 1 tooth on the first, or even second, attempt. Having the T belt off a tooth or two can cause a rough running engine. The timing chain is a vital part of your engine. How to change Hyundai Santa Fe 2. 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. TOOTH BELT. 0 m/t belts teeth strpped off during start up. Trying to check this rear camshaft will trip up many technicians as, when viewed in a mirror, the timing frequently appears off a tooth but is correct:. The fire rate of the engine could be jeopardized from #3 – Smoke from the Engine. It might save a lot of work. Is it to take up slack or what? Cause when I did my timing belt there was hardly any. Replied by GearHeadTom on topic Has my timing belt slipped? That might just be how they line up. 1 /Sold per linear meter; GT2; Single Sided Belt; Length: Open ended sold per the Meter (one. If it is off by one tooth, and a non-interference engine, it may run, but not well. An engine with a jumped timing chain will show signs of very sluggish and slow starting. Remove the lock nut (green). i was not able to run as much timing as the tuner had liked which made my dyno numbers really low, for the mods i have. Timing belt marks are almost never 100% dead on. Install the timing belt in the reverse order of removal; Only key points are described here. How to Blueprint Engines: Timing Systems Guide May 29, 2016 by Muscle Car DiY In this chapter I discuss the three most commonly used methods of camshaft drive (the manner in which the camshaft is driven by the crankshaft). If the timing belt or timing chain is stretched, it should be replaced. Sometimes called an "executive car", the S80 was and continues to be Volvo's top-of-the-line passenger car. High-mileage engines may need a new chain, gears or belt just as a safeguard, before timing failure sets in. What about if the cam is off a tooth? Somehow when you lined up the dots on the timing set you was off one. Remove the alternator terminal and wires. Remove all spark plugs. The only difference between a timing belt and a chain is that belts are made out of rubber, while timing chains are metal chains. Hello all, im new to the forum and would like some advice from the experts here. The CEL codes will tell the story. These include a new timing belt, timing belt cover gasket, timing light, belt tension gauge, and pins/bolts needed to hold camshaft position while working. Timing (synchronous) belts failures and breaking analysis If you change your belts at least more than one time per year, it is time to investigate your drive. Worn timing belts tend to fail at sudden engine speed changes, such as moving off, changing gear, or revving the engine in neutral. However, choosing to exceed your timing belt service interval is risky and can lead to unknown repair costs that will far exceed typical timing belt replacement service cost. The purpose of over-tensioning the timing belt is to better set the teeth in the pulleys. As long as you use some chicken wire going through the back of the cams to hold them steady, until you have the belt on. 3 Ford is relatively simple compared to our front- and all-wheel-drive competition. Will this Damage my Valves and Lifters? Had a mechanic do a recent water pump, timing and accessory belt change and car ran very poorly, loud tapping, whining, reving noises. On closer inspection of the belt, it had many missing teeth. Not sure on that i will have have to lo. Timing belts are also less complicated (chains require an oil bath). So what happens if hte timing is off by a tooth? i think mine is off by a tooth, but im not sure. On closer inspection of the belt, it had many missing teeth. I did find that the crankshaft key was broken and ended up replacing the timing sprocket with that key, but I largely feel that I just wasted my time, because the new belt is also 1/3 tooth advanced. "Play" accumulates, the belt is not sufficiently tight, and it jumps one or more. It’s important to know the symptoms of a bad timing belt or chain, so this doesn’t happen to your Scion XB. new 17 piece timing belt kit. Not all timing belt kits are created equal. Engine is bad ! Honda Civic D Series Timing Belt Replacement (Part 1) Off History Help. It's an interference engine alright, but doesn't mean you will bend valves every time a timing belt breaks. Best to pull the timing cover off and replace the timing chain & gears with a new one. There is also one more bolt (not shown in the image below) behind/below the "two water pipe bolts", so there are in total 18 bolts holding the cover in place, be sure all 18 have been removed before attempting to. A bad timing belt or timing chain can be a serious issue. The fire rate of the engine could be jeopardized from #3 - Smoke from the Engine. The timing will then be off on the camshaft, resulting in the engine stalling. The dealer did the timing belt at the specified interval 105k. I checked the timing belt marks & it seems to be off by a tooth or more. When your timing belt is out by a tooth Skyline and Things. Your valve timing is controlled by the belt/timing gear alignment. 2 inchNumber of. Timing belt replacement is essential for your car to run efficiently and smoothly. S4 / RS4 (B5 Platform) Discussion - If a timing belt is off by a tooth, what are the symptoms? - Noisier engine? Less power? Hesitation from a stop? Rougher idle?. Having the T belt off a tooth or two can cause a rough running engine. When I built my engine the #1 piston was all the way up, the timing marks on the balancer were lined up, the lifters for cylinder 1 were all the way down, and the dots lined up on the timing chain. So, the new timing belt and tensioner came in the mail last night, took the timing belt tensioner off and noticed that the 10mm bolt that holds it on is partially stripped. The biggest issue is the sprocket on the crank timing gear. You won't know if the timing belt idlers are bad until you remove the timing belt and check them out. This means that the belt jumps a tooth on one of the pulleys it runs around. There are two main types of timing belt pulleys, they are to suit the classical timing belt and the metric HTD timing belts. So, I turn to you guys for advice. manufactures recommended mileage interval !. The vehicle's Ford F150 Timing Chain matches the motion of the crank shaft and piston position with the radial motion of the cam shaft. I just got a letter from HONDA with a coupon for a $29. 0 IU per kg body weight per day. Will this Damage my Valves and Lifters? Had a mechanic do a recent water pump, timing and accessory belt change and car ran very poorly, loud tapping, whining, reving noises. ok so i had my car tuned about 3 months ago. Solutions have included cutting belts in half, counting teeth and thousands of forum postings. Then re-set the belt which in the end is doing the job over. 3 Ford is relatively simple compared to our front- and all-wheel-drive competition. 240 Symptoms of a slipped timing belt? maintenance & nonperformance. After all, it's around this point in the vehicle's life span that most timing belts need to be replaced. The car was running odd like it was out of timing, idling rough and sputtering, pulled in the yard and shut it off intending to drive it to the repair shop the next morning, went to start it up and it sounded odd, like the engine was spinning way faster than it did before and would not start, took off the timing cover and there was a strip of cogs missing about eight inches long on the belt, I. In timing belt drives the pulley pitch diameter, d, is larger than the pulley Timing Belt Theory Introduction Geometric Relationships Figure 1a. Symptoms That the Timing Chain Jumped The timing chain or timing belt makes your engine run. The timing belt causes of the valves in. Backfiring, lack of power and bogging are common symptoms of an engine that is not timed properly. This included the water pump, timing belt, TB tensioner, idler and tension pulleys. Added to this is the impact between the timing belt teeth and timing belt pulley cause a slapping sound. no banging sounds so the valves arent hitting. told it was possibly alternator failure. Symptoms of a Bad or Failing Timing Belt Idler. The computer keeps track of how much the chain stretches over time. I just replaced both head gaskets with new OEM ones (11044AA355) and I'm using new idlers from an aftermarket timing belt kit for a EJ205 (all but the tensioner, which is the original OE unit). Timing belts used to be a relatively ignored maintenance item by many drivers. Composed of a weather-resistant polyurethane exterior, the advanced high-performance belt features strong, stretch-free carbon fiber tensile cords. This incorrect tension can lead to other problems like excessive tooth wear, tooth shear and belt noise just to name a few. One reader advanced his cam timing by slipping the timing belt by one camshaft gear tooth. Trying to check this rear camshaft will trip up many technicians as, when viewed in a mirror, the timing frequently appears off a tooth but is correct:. Symptoms of a Bad or Failing Timing Belt Idler. He reported that it gave a lot more low end torque and power but that there were other problems. 240 Symptoms of a slipped timing belt? maintenance & nonperformance. If your timing belt skipped or slipped a tooth,your car wouldnt be running as smooth as you say. One tooth off will make it idle really low when stopping at the light especially if the engine is warm. First you remove the intercooler and throttle body so that you can get the valve cover off, and then you remove the accessory belts, water pump pulley, and timing belt cover. However, about 4 engine hours after installing the 2nd new tensioner, the timing belt jumped 4 teeth and the tensioner no longer put adaquate tension on the belt. The Symptoms of a Failing Timing Belt Your timing belt is an essential component of your engine. 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.