Timing Belt Off A Tooth Symptoms

Both of them should be pointing straight up (maybe a 1/4-tooth off, but no more). running nice, maybe a little rough, maybe imagining things. 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. If the belt is off one tooth, the cylinder will be visibly out of sync with the mark. 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. Two Teeth: It will sound like somethings "knocking" which is likely the pistons kissing the valves. An engine cannot run without a functional timing belt. The timing belt causes of the valves in. Of course I noticed it right away and as that was all I had done I knew what the problem was. Count the number of teeth between the two marks on the cam sprockets. if you have any concerns on this let me know. I want to just pay someone to replace the timing belt and waterpumpbut obviously it would be stupid to do so if my valves are bent. I am about to do a timing belt for a family member on an 06 Santa Fe 3. After loosening the belt's tension, slip the belt off the crankshaft sprocket. After it is installed with timing marks right on, the crankshaft should be turned 1 tooth clockwise to eliminate the slack in the belt between the crankshaft, cam sprockets, water pump, and cam sprockets again. It can get in between the belt’s teeth and can cause the belt to slip and slide and even come off entirely. 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. Neither time did the timing belt skip a tooth. What sort of symptoms will an engine exhibit when a belt is only one tooth off? I ask this because the engine is 100% smooth as silk, quiet, basically runs like a dream with no driveability issues whatsoever. If your timing belt has worn out or missing teeth, then it will likely slip out of its position and fall onto the other gears. TDC? Now you can carefully slide the old timing belt off its sprockets and pulleys, while trying to. and yes, im speaking from experience :lol: I had the timing off on a 4. The Toyota MZFE engine is a transversely-mounted, timing-belt driven, 24-valve, dual overhead cam (DOHC) aluminum V6 design. I idled the bike yesterday for a min or two and it was low, but steady. 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. If the ECM detects that CKP is ahead or behind Bank 1 CMP, either a four-cylinder engine or the V6 or V8 bank with Cylinder 1, perhaps due to a jumped timing belt tooth or a stretched timing chain, it will illuminate the malfunction indicator lamp (MIL) and set DTC P0008, “Engine Position System Performance (Bank1),” in system memory. It might save a lot of work. 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. I have spark, its running rich. Do a compression test. Although the timing belt can be costly to replace, it is a wise investment. 2, I bought the belt from a Subaru dealer and it was a Unitta brand, it has yellow marks on it and it lined up perfectly. Push the belt the rest of the way on and your done, other than reassembling. I know on some ATV engines (I know, not a car engine, but still OHC) when the timing is set correct, the marks may not line up exactly, and moving the timing chain 1 tooth makes it off even worse the other way. The timing is in proper specs and everything checked out, the belt & water pump I bought for a 93 Legacy EJ22 was the same fit for the replacement EJ20 engine. Your engine's timing belt is the most important maintenance item in your car. I had to run it in 4th to the dealer and couldn't get over. A chain that has jumped two or more teeth may not start at all. How to Replace a Timing Belt. 8T AMB Timing Belt Replacement - Setting Timing & Removing Parts 11. 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. These timing belts are very easy to replace and if you are using an OEM Toyota timing belt, as we always recommend, the marks will be printed on the belt for you to line up. You may have be one tooth off. Various pulleys help sustain the rotation effect of the timing belt. Most of us don't even think about it until there's a problem, but there are warning signs for a bad timing belt that you shouldn't ignore. The same goes to worn tensioners. marked new belt against old belt car started. Im assuming it is an engine that uses a timing belt. It cost me about $370 to remove and replace the timing belt. 3GT (GT2-3M) Timing Pulley - 20 Tooth - 9mm Belt - 8mm Clamp Bore. Many include the auto-tensioner but do not include the idler pulley(s), and if one of those seizes it can cause the belt to jump teeth. Timing Belt Replacement. Then using your jack and a block of wood, support the weight of the engine under the sump. You should also replace the top & bottom radiator hoses and the three fan belts. For some vehicle whose crankshaft pulley doesn’t just slide off, a harmonic balancer puller or three-jaw gear puller will be needed. Brand: Gates No of Teeth/Grooves - 104 x 15mm Width Power Transmission (Cam Belts) In 1917, John Gates revolutionized industrial machinery with the world's first rubber V-Belt, and began the legacy. It might save a lot of work. The simpliest way to do this is to mark the old belt before you take it off, and then make sure the same number of teeth are between each line for old and and new. The tension of the toothed belt that drives an overhead camshaft must be checked at the intervals set by the servicing routine laid down in the car handbook. 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. For a full list of possible failures and the corrective action to take, consult our Timing Belt Troubleshooting Guide to check your belts & timing pulleys. A chain that has jumped two or more teeth may not start at all. Local shop says timing belt is off a tooth on the cams, so the car is down on power. timing issue. For belts, it is even more important since they don't have a lot of signs before they break. Me and a good mate did the timing belt on the Skyline and had it out a tooth and this is the result. If the timing chain jumped a tooth I should still be able to set ignition timing, but the valve timing would still be off. With the heat and. 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?. First step would be to verify exactly what parts were in the kit used. The tensioner for the timing belt, once set is bolted on in it's set positon and should not come loose. If this timing is off, the engine will run erratically, if it runs at all. If timing is found to be off, cover removal and further belt inspection or replacement is necessary. CHECKING YOUR TIMINGBELT and TENSION. This happens because the firing sequence is retarded due to a chain that has jumped a tooth. 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. I lined up all the marks, tightened it all up and it ran fine. It is our recommendation to closely inspect all timing belt components before the recommended interval. Next I checked the time and it was off by half a tooth so I did the timing belt, pump ect. make sure all timing belt teeth are engaged with the teeth on the camshafts, oil pump, and crankshaft sprockets and that all timing marks are still properly aligned. Remove the timing belt tensioner two 13mm bolts and remove the tensioner (If the tensioner pulley wheel is made of plastic you will want to purchase a revised steel tensioner pulley). We supply hobbyists, students, distributors and a wide variety of OEMs with high-quality machined timing belt pulleys and molded pulleys at affordable prices. Remove the belt idler. timing being a tooth off is for timing belts/chains. move the #1 wire to align with the rotor, rotate distributor if needed. So, I just did the timing belt on my mom's D15B7 Civic, and took me forever to get the timing where I thought it was supposed to be, but I'm feeling like it may be off a tooth. 1MZ-FE Timing Belt Kit We often get asked how to line up the timing belt marks on a Toyota 1MZ-FE engine. Ive ordered a new one from ID Parts but upon removing the bolt the helicoil got screwed up. Ensure timing marks aligned [3]. Get the crank pulley off, jack the car up and get it on axle stands. What sort of symptoms will an engine exhibit when a belt is only one tooth off? I ask this because the engine is 100% smooth as silk, quiet, basically runs like a dream with no driveability issues whatsoever. 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. My timing belt jumped by one tooth when my dizzy died and I put a spare on. 1; the mechanic, despite being "very good" has not done up one of the nuts on one of the pulleys, or rollers. After it is installed with timing marks right on, the crankshaft should be turned 1 tooth clockwise to eliminate the slack in the belt between the crankshaft, cam sprockets, water pump, and cam sprockets again. Of course I noticed it right away and as that was all I had done I knew what the problem was. Gates GT2 Timing Belt Timing belt is a bendable and flexible belt that have teeth in its inner surface. I had to run it in 4th to the dealer and couldn't get over. Low down hesitation was something Steve had when his exhaust cam was off, if one of yours is, you get the same effect. Timing cover. Hi, take the timing belt off again and turn the right cam with a spanner till the marks line up then put the belt back on. You will want to make sure the timing belt pulley is in good shape as well. The rattling is most prominent in engines with overhead camshafts. Replacement should be similar, but some steps might vary. It is probably possible to slip the timing belt off a tooth and not bend valves or cause damage. Align the camshaft sprockets (2, 7) timing reference marks (1, 8) with the marks on the rear cover. This occurs when the timing belt skips a tooth on the camshaft due to being too loose or stretched. Finally, Timing Belt Removal With the crank pully removed you should be able to remove the 10mm bolts holding the lower timing cover on easily. Just change them according to manufacturer recomendations and you'll be fine, be sure to use Genuine Honda belt, for this sort of thing, factory is best. 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 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. I took off the timing cover and put the balancer on the zero mark when I do this it looks like the timing mark on the cam pulley is one tooth off. 1 tooth off on timing belt? Built Motor Discussion. First step would be to verify exactly what parts were in the kit used. If the gear on the bottom of the distributor is installed 180 degrees out it will be 1/2 tooth off and still give a check engine light and the scanner will say ignition timing problem. Most models, like those with 3. Manual Trans 162,000 mile CAN A TIMING BELT BEING OFF BY A TOOTH AFFECT COMPRESSION? I just replaced a timing belt on this car and now the compression is around 125psi on all cylinders. The major complaint when a belt is one tooth (verified) off is less power. Advise given here is free and comes with no warranty "Caveat emptor". what are some/all of th effects of the timing belt being off a tooth or two. Not all timing belt kits are created equal. Nevertheless, the timing belt can be your nemesis; ignore it, and you'll have a very expensive engine rebuild on your hands. When does a timing belt need to be replaced? In most cars, the recommended timing belt replacement intervals vary between 60,000 and 106,000 miles. The timing belt found in 1st generation Tacomas, 3rd generation 4Runners, and T-100 Pickups require periodic replacement. If you know your Year Make Model, put it in the selector so that we can guide you to a product that fits your vehicle. ###TIMING BELT CONSPIRACY THEORY###. 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?. Eitherway, its crucial to get it all lined up. In some cars, a stretched timing belt can also produce a dull rattling noise coming from the timing belt area. Ticking sound coming from engine: A failing timing belt can cause a ticking noise when the car is running. Make sure the timing belt isn't too tight also. is overheating one the multiple effects of improper installation of timing belt?. just very slightly. The crankshaft mark was off by one tooth. today i took it out for a spin and it would stall and it isnt running very well. OTOH if the belt slipped more than once If they have the timing belt on right, Then I would suspect an ignition coil. A toothed belt; timing belt; cogged belt; cog belt; or synchronous belt is a flexible belt with teeth moulded onto its inner surface. I dont think its harmful in that it would cause serious damage but it will just run rough. This timing belt is meant for the 19 tooth LS water pump, and not the 22 tooth VTEC version. if the cam is off a tooth, just reset it. It might save a lot of work. I don't have any of the time tools yet, but it was visually evident that the cam slot was not perfectly parallel with the valve cover face and using a mirror I could see that the IP was not lining. If the gear on the bottom of the distributor is installed 180 degrees out it will be 1/2 tooth off and still give a check engine light and the scanner will say ignition timing problem. 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. I replaced the timing belt and seems I got it one tooth off on the crank. Kia just used belts with less life as a cost saving measure. i've been told by a few people that the judging by the way my car is acting, the timing belt is most likely off a tooth. then i found out that the timing belt was improperly installed. 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. How-to: VG33E Timing Belt Replacement How-to's. make sure all timing belt teeth are engaged with the teeth on the camshafts, oil pump, and crankshaft sprockets and that all timing marks are still properly aligned. By the way, a timing belt being off a tooth won't cause a noise. When the timing belt is stretched or is missing teeth, it can throw off the engine's natural rhythm, causing the vehicle to vibrate or shake. 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. So, I turn to you guys for advice. Belt and pulley mesh for inch series and metric T-series, HTD and STD series geometry. Symptoms of timing belt off one tooth? - 06/11/15 01:18 AM Vehicle in question is a 2004 Honda Odyssey EX with 138k miles. If the timing chain jumped a tooth I should still be able to set ignition timing, but the valve timing would still be off. I lined up all the marks, tightened it all up and it ran fine. I know on some ATV engines (I know, not a car engine, but still OHC) when the timing is set correct, the marks may not line up exactly, and moving the timing chain 1 tooth makes it off even worse the other way. Well I changed my timing belt, water pump, tensioner pulley and tensioner actuator Yesterday after work, started at 4 pm, was pretty much all done by 6:30-7:00 and then i had to fill the coolant and that took another half to get all the air out because my bleeder valve wouldnt open up so i had to do it the old fashioned way, by squeezing the big radiator hose, and keep adding more coolant to. From what I understand that bolt is only there for when you are installing the timing belt. Sources: Symptoms of a Bad or Failing Timing Chain – YourMechanic. The intake cam is under a bit of pressure from a valve spring and wants to jump over to the next tooth. Alternatively, your timing belt can "jump a tooth" causing your vehicle to suffer from loss of power. 1MZ-FE Timing Belt Kit We often get asked how to line up the timing belt marks on a Toyota 1MZ-FE engine. The moment at which the belt teeth are getting back down into the sprocket grooves frequently results in a sharp, momentary point of bending that can result in belt traction cord failures. It stinks that your Civic is not starting but the cool thing is that testing to see if the timing belt has busted on your Honda Civic is easy and fast. no need to even put in the flywheel lock (I pull the plugs to make. The timing belt replacement cost is cheap compared to a new engine. 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. It is made of neoprene Brand: Gates. The first time I had it done at the dealer which cost me $480 with parts and labor. It idled fine and ran ok down low, but lacked power up at higher rpm's and wouldn't even pull the car in 5th gear. 2000 Frontier v6 - timing belt jumped He wants to do everything - He suspects valve damage due to the low cylinder pressure and wants to send out heads etc, etc. 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. The same goes to worn tensioners. Advancing the cam timing in this manner would advance the cam by about 18 deg which is way too much and NOT RECOMMENDED. The timing belt controls the camshafts in your engine, opening and closing valves at just the right time for smooth operation. Common Failure Symptoms For Crankshaft Position Sensor (CKP) Acceleration Problems. Timing that is 18 degrees off, indicates that the timing belt is off by one tooth - again thanks to the guys that frequent alt. The Gates PowerGrip is a toothed timing belt, also known as a synchronous belt or camshaft belt, with a trapezoidal tooth profile for use in positioning applications. And, be sure the belt is WARM or it will not go over the tensioner. Yeah if you get a car's cam belt off a tooth or two they sometimes run/ idle great but fall on their face as you try to drive them. The best thing that you can do is have the vehicle timing belt service performed on schedule. I managed to get the idle around 750 rpms but it misfires frequently. Complete comparison about Drive belt Vs timing belt. 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. The timing strip is a clear, plastic strip approximately 1/4" in height positioned horizontally across the center of the unit, just in front of the carriage drive belt. Top thread on replacing the timing belt for the 1HZ motors, but have a question in regards to the torque spec's for the top pulley. If the marks lined up after 2 two rotations its okay. Sometimes it’s important to look for early timing belt symptoms, such as uncommon high revs, start up issues, and excessive exhaust smoke, because the timing cover may actually be the root of the problem. Now my question is whether or not my engine is ruined. Timing belt lower cover [11]. Sounds like the timing is off a tooth or so. When does a timing belt need to be replaced? In most cars, the recommended timing belt replacement intervals vary between 60,000 and 106,000 miles. The manual says to use a vertical press, but I did it with a C-clamp. The simpliest way to do this is to mark the old belt before you take it off, and then make sure the same number of teeth are between each line for old and and new. Complete comparison about Drive belt Vs timing belt. Timing belt off by half a tooth 07-06-2019, 08:50 PM So for some reason no matter how I put the timing belt on, the top left cam is Always off by half a tooth. Most timing belts are cogged, meaning they have teeth on the inside of the belt that ride in matching teeth on the drive and driven pulleys. 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. I had to run it in 4th to the dealer and couldn't get over. put the timing mark on top dead center and see where the rotor points. then the temperature gauge went up. What has happened is my car now runs like complete crap. So, I just did the timing belt on my mom's D15B7 Civic, and took me forever to get the timing where I thought it was supposed to be, but I'm feeling like it may be off a tooth. Does my vehicle have a timing belt or timing chain? Below is a quick reference chart to identify if your vehicle has a timing belt, chain or gear. Could I possibly just align the crankshaft at '0' top dead center (compression or exhaust stroke unknown) and just adjust the cam timing marks so that they now align with the marks, would. If the sprockets are not close to the right area to land the marks on, wrap the old timing belt around the sprocket and rotate it until it's close enough to 'capture' under the mark. 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. Back to Off Road & Performance. the symptoms you describe, low rpm bogging, etc, sound a lot like the way mine ran when I changed the timing belt and got it one tooth retarded. How to tell if it's the timing chain that prevents car from starting 7 Answers. Hence the name 'timing belt. After loosening the belt's tension, slip the belt off the crankshaft sprocket. 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. This is one of the main symptoms of a bad timing belt. What sort of symptoms will an engine exhibit when a belt is only one tooth off? I ask this because the engine is 100% smooth as silk, quiet, basically runs like a dream with no driveability issues whatsoever. The main job of the timing belt is to connect the crankshaft to the camshaft. The timing belt is made of a hard rubber compound. History is - - Was converted from Auto to Manual about 2 years ago - Running an Air Pod - Timing belt changed about a year ago I have checked cam pulleys and they line up ok, belt is ok, tensioner is ok To get the timing from 12-15 degrees I need the C. It is susceptible to stretching and tearing as it rotates very quickly between the engine pulleys. If the marks lined up after 2 two rotations its okay. When dealing with crucial timing belt service, err on the side of caution and change your Audi A3 timing belt every 90,000 miles. Because of it being loose it looks all shredded and in need of replacement. Who did the timing belt change?. thats done with so im thinking maybe timing belt. If the timing chain is not metal, it's really a timing belt, and they can be a lot more difficult to tell if they are going bad. timing being a tooth off is for timing belts/chains. The crankshaft mark was off by one tooth. 2007 Chevy Cobalt 2. SilentSync Helical offset tooth timing belts Contitech's SILENTSYNC belt (previousley called Goodyear EAGLE) offers a high level of efficiency, combined with a low level of noise thanks to the continuous meshing with pulleys. You should be around 170 PSI with that combo. just very slightly. Checked both key ways for the timing sprocket, tried pre-tensioning the belt and spinning it over to see if the marks would line up (to rule out it being something wrong with the spring) and the marks are usually a tooth off when i bring it back to TDC. I am concerned that I might have gotten the timing belt installed one tooth off on the crank gear. It’s like the first time for some other things, both scary and exciting at the same time. by Timothy Charlet on. Belt and pulley mesh for AT-series geometry. Install the timing belt (4) starting at the crankshaft sprocket (10) going in a counterclockwise direction. It does seem like the left side is off a tooth, but the cars always ran perfect. Like any belt, miles and time will cause them to crack like the one pictured here, and you'll have a very bad day if it breaks. In the past someone, either the factory or the last person who changed the belt, put some white marks on the cam pulley and the inside of the timing cover etc. 6 '93, if that helps. Sometimes a belt will jump one or more teeth, throwing off cam timing. How to Replace a Timing Belt. The timing of the belt looks 1/4 tooth off due to the angle of the camera but is correct (compare the sprocket mark to the backing mark and belt mark to the sprocket mark). There are timing marks on the pulleys, and when you put the cogged belt back on you have to make sure the timing marks line up accurately. Sometimes called an "executive car", the S80 was and continues to be Volvo's top-of-the-line passenger car. Leaky, hot-running engine. Distributor being off a tooth won't make any difference, it'll just cause the distributor to be pointing in a funny direction when the timing is set properly. A toothed belt; timing belt; cogged belt; cog belt; or synchronous belt is a flexible belt with teeth moulded onto its inner surface. One, does this even sound like the timing belt? Because I thought it wouldn't crank at all if the belt was gone (although I understand that it could have slipped). This is typically a sign that you have low oil pressure or that the engine isn’t getting enough lubrication. Tooth broke. If the sprockets are not close to the right area to land the marks on, wrap the old timing belt around the sprocket and rotate it until it's close enough to 'capture' under the mark. Corrective Action When replacing the timing belt on these various Toyota applications, it is imperative that the teeth line up properly with the timing marks. The camshaft has teeth that the timing belt connects to and then it connects to the teeth on the crankshaft. I have the old belt off and am trying to get the new one on. Alternatively, your timing belt can “jump a tooth” causing your vehicle to suffer from loss of power. 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. What follows is a timing belt replacement guide for Toyota 3. 2007 Chevy Cobalt 2. I actually did that in a Dodge Daytona turbo I had when I was a teenager. Sometimes called an "executive car", the S80 was and continues to be Volvo's top-of-the-line passenger car. It shows that you need to replace timing belt because your timing belt is not working properly and it is possible that timing belt is going to be damaged. timing belt at 60,000 miles. from the looks of it, the cam sprokets are not aligned correctly. SYMPTOMS OF INCORRECT IGNITION TIMING. At first I thought, oh no big deal I just got the timing off by a tooth somewhere. If it is a motor that uses a chain than it problaly needs a new gear/chain set. 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. That's easy to find out and takes very little work. I took off the tb cover and cranked it, the belt wasn't moving. The timing will then be off on the camshaft, resulting in the engine stalling. if it was running, and is pointing to #6 rotate it around 180 degrees. It will normally stretch over time and with use and that leads us to the number one reason to a Timing Belt failure, "Incorrect Tension". One tooth off is way more than the three to six degree range recommended for any cam tuning. If the timing chain is not metal, it’s really a timing belt, and they can be a lot more difficult to tell if they are going bad. The marks on the cam sprockets lined up perfectly to the backing plate of the timing cover and the crank sprocket lined up to the oil pump marking I made. If you have the ability and the tools to remove your timing belt cover, the physical appearance of the timing belt can provide clues to its condition. If the timing chain is not metal, it's really a timing belt, and they can be a lot more difficult to tell if they are going bad. Your first step would make a call to mechanic, mechanic will know and have experienced how to replace a timing belt in better way. what are the symptoms of a turbo car jumping timing by 1 tooth? what are symptoms of running bad gas? Car idles fine, but it revs funny, like its missing. 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:. This is typically a sign that you have low oil pressure or that the engine isn’t getting enough lubrication. What is a Timing Belt and How do I Know it's Going Bad By Christopher Nagy A pivotal item in modern internal combustion engines, timing belts coordinate the movements of the crankshaft (the shaft driving the cylinders) and the camshaft (the shaft controlling the valves). Make sure the timing belt isn't too tight also. So how do i line them back up. 8T timing belts, and both times we ended up off by 1 tooth on the first, or even second, attempt. Timing belt change intervals. 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). Kia just used belts with less life as a cost saving measure. Toothed belts are used in a wide array of in mechanical devices, where high-power transmission is desired. Also roll the engine over 2 turns and recheck the marks at TDC. Slip the belt off and inspect it for damage; cracks, worn teeth, frayed edges, etc. Subaru timing belt recommendation is at 105K but it’s not common to have to replace the timing belt before this mileage due to oil leaks from either the cam seal’s or front crankshaft seal. I had to run it in 4th to the dealer and couldn't get over. The main job of the timing belt is to connect the crankshaft to the camshaft. One minute the belt is fine, the next, it snaps and the car won't run. When changing T belt I always hand rotate the engine two full revolutions and check alignment. If you look to the tooth next to the cam sprocket timing mark, you will see how far off that one tooth is. Even Hyundai, who owns Kia and has interchangeability with some engines, seems to not have the timing belt problems Kia does. 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. That's what I get for waiting to do it, I know. It is probably possible to slip the timing belt off a tooth and not bend valves or cause damage. The timing belt links the camshaft to the crankshaft, which manages the pistons of the engine. Top thread on replacing the timing belt for the 1HZ motors, but have a question in regards to the torque spec's for the top pulley. Symptoms of Bad or Failing Timing Gears (Gear To Gear) Common signs include rattling noises from the engine, a rough running or backfiring engine, and an engine that does not run. 7L Santa Fe timing belt. symptoms of slipped timing chain Meaning turn off everything freeze your but off. Symptoms of Bad or Failing Timing Gears (Gear To Gear) Common signs include rattling noises from the engine, a rough running or backfiring engine, and an engine that does not run. What happens when this component gives up the ghost, and how hard is it to fix by yourself? A timing belt is the. The tensioner applies pressure to the timing belt keeping it tight, while the pulleys keep the timing belt in line. When dealing with crucial timing belt service, err on the side of caution and change your Audi A3 timing belt every 90,000 miles. These timing belts are very easy to replace and if you are using an OEM Toyota timing belt, as we always recommend, the marks will be printed on the belt for you to line up. The main job of the timing belt is to connect the crankshaft to the camshaft. Belt may "jump time" (skipping a tooth or more, usually on the cam gear). For the last couple of decades, Miata owners have complained about the difficulty of doing a timing belt change and getting the cam timing right. And, be sure the belt is WARM or it will not go over the tensioner. If the marks lined up after 2 two rotations its okay. If these teeth ever start falling off or become brittle, the timing belt will start to slip away from the gears. 7 Check the condition of the timing belt tensioner bearings. Toyota Maintenance: 3. The timing belt often drives the water pump as well and in these cases, it is highly recommended that the water pump be replaced at the same time that the timing belt is serviced. 1990 Geo Metro 1. 1 tooth off on timing belt? Built Motor Discussion. Topic Engines / Subbug - Subaru Power / need help, timing belt jumped a tooth (13883 hits) By Rob J 769 Date 2008-02-03 18:12 Edited 2008-02-03 18:16 I have Manx clone with an EJ20 and the timing belt somehow managed to jump one tooth on the LH exhaust cam sprocket. But lined it up on passenger side & driver cam was off, even after cranking it around by hand. Well, today is the day I should be getting the news from my mechanic on the extent of the damage on my broken timing belt. by Timothy Charlet on. KIA vin indicates timing chain but timing belt installed. The timing belt is made of a hard rubber compound. yes you can move the wires over. The best thing that you can do is have the vehicle timing belt service performed on schedule. Would the timing belt being off by one tooth cause massive amounts of misfire at idle? Just got done rebuilding my head, and my car is idling extremely rough. When does a timing belt need to be replaced? In most cars, the recommended timing belt replacement intervals vary between 60,000 and 106,000 miles. Manual Trans 162,000 mile CAN A TIMING BELT BEING OFF BY A TOOTH AFFECT COMPRESSION? I just replaced a timing belt on this car and now the compression is around 125psi on all cylinders. If it is a motor that uses a chain than it problaly needs a new gear/chain set. After I checked compresion 130 each cylinder, found tdc and set timing on distributor, change intake and carb gaskets, adjusted valves it runs better but low vacuum 6 inches and hard power brake pedel at idel, it in a 63 chevy pickup and the old 305 ran with plenty of vacuum and sooper smooth idel. The rattling is most prominent in engines with overhead camshafts. However, you probably didn't do this, so you need to get a copy of the factory service manual, which usually has the number of teeth between marks. When dealing with crucial timing belt service, err on the side of caution and change your Audi A3 timing belt every 90,000 miles. 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. I can rotate the crank (with t-belt still 5 teeth off) and it doesn't feel like the pistons are hitting anything. These components are sealed units that contain bearings (they cannot be lubricated on a regular basis).