How To Fix Jumped Timing Belt

GT2 timing belts and compatible pulleys are popular choices for RepRaps and RepStraps -- see Choosing Belts and Pulleys for alternatives. A compression check of all cylinders should be performed before removing the cylinder head. So, this test is designed to test for a broken camshaft and timing belt by removing the valve cover and the upper plastic timing cover and visually verifying that the timing belt is turning as you crank your Honda Civic (Civic del Sol, etc). Locate the top of the timing chain cover. you are my only hope for help. if it somehow jumped time it would backfire really bad. Thanks Shadi. I was told by the mechanic that I could have a new timing kit put on but wouldn't guarentee that the car would start. Warning signs for Timing Belt Repair or Timing Chain Replacement. When you choose Kevin's Auto Repair in Huntsville, AL, you are choosing professional automotive repair and maintenance performed by expert automotive technicians. We've got suggestions that can help make the job of replacing the timing belt and/or water pump successful. Unbolt the timing belt cover and release the harness from the outer sections. all is good now. As you might be aware I had an issue with my timing chain stretching which resulted in internal engine damage and eventual replacement of my engine. Timing chain replacement on modern overhead cam engines is very complex. 0 Nu engine was introduced. Should the timing belt or one of its related components fail, it is extremely likely that major engine components. If your Miata is running unevenly, sometimes stalling, sometimes hesitating, there could be another problem. You could add a touch of light paint to the mark to make it more visible. Long story short, I information in this thread enabled me to diagnose and fix the source of the noise, a busted timing belt tensioner. What happens when this component gives up the ghost, and how hard is it to fix by yourself? A timing belt is the. Chose to purchase used replacement engine rather than repair damaged one. If you need a little guidance from a professional mechanic, then follow along to this video for the step-by-step instructions for removing and replacing the timing belt in the '97 Mazda 626. Timing Belt Repair & Diagrams for your Mercury Sable V6-3. If your Honda was built after 1997, the replacement interval for your timing belt is typically around the 105. Check diesel injection pump timing after resetting valve timing. Ironically Frank's did the timing belt repair. Take the serpentine belt tensioner off with these three* bolts sorry for the shacky hands lol. So here we are, "next time" is now. 0 Nu engine was introduced. The Toyota MZFE engine is a transversely-mounted, timing-belt driven, 24-valve, dual overhead cam (DOHC) aluminum V6 design. A timing chain doesn't need to be replaced unless there is a problem with it. Have a Ryobi X430 trimmer with a 4-stroke RY34001 engine. Unless you like taking your engine apart more than once, get all the parts that you are taking off anyway. The service advisor way back then is in-charge of Honda Service at the dealership now. The only way I know to check that is to see the timing marks on the sprockets, and I don't want to go through that much trouble just on a hunch. A mechinic is telling me i need to replace either my Crankshaft sensor or my timing belt may have jumped. They think the baffle piece got caught between the primary timing chain and the bank#2 camshaft (intake, I assume) causing the camshaft to jump two teeth. Are you due for timing belt, drive belt or clutch replacement? If so, put another check in your pro column. Camshaft/Timing belt failure. When the timing belt breaks, it can be a harrowing event, depending ofn when it occurs and what is around. I cannot seem to successfully reassemble it and would appreciate any assistance. My Chilton book troubleshooting says under compression check. !!! I am not going to go in to great detail with the first few things you need to do, there are to many other important details. Prices paid and comments from CostHelper's team of professional journalists and community of users. Consumers complain of Mini Cooper timing belt failures with timing belt failures causing catastrophic engine damage in some models, So I said okay on the repair," Julie said. I have a 2005. Thanks Shadi. Golf GTI Mk6 Timing belt replacement - timing and pricing Apologies for the new thread, pretty new here - i have had a look through existing threads and could only find info on replacement cost/interval of timing belt that was relevant to MKV GTI's. that will make us unwilling to fix the car. Replacing a timing belt should not be difficult. Thanks for all of the advice. {32} – On 1993-96 models, replace every 60,000 miles. After replacement of belt, wont start. The dealership is asking me to pay to find that out. Symptoms That the Timing Chain Jumped The timing chain or timing belt makes your engine run. 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 have a 2004 Sienna with the standard 3. the oil pump, gradually “stretches” the timing chain over time. The labor cost to replace a timing belt can range from $200 - $900. Special Notes: When found in 2009 Audi A4, A5 or Q5 with 3. It is made of a strong rubber material which includes cords that are nylon-reinforced. It all depends on your engine. A broken timing belt will keep your Honda Accord (or Odyssey or Prelude or Isuzu Oasis) from starting. When I purchased it in 2004, I was told it had a timing belt instead of a chain, an the 3. One tooth equals 17 degrees of timing. Locate the proper timing marks for your engine. It doesn't always take a broken belt to bend valves. Pop the timing belt cover. Loosen the tensioner pulley bolt and relieve the tension on the belt by disconnecting the tensioner tab from the timing cover back plate. Timing Belt is a rubber belt which controls the timing of internal combustion engines. The Service Team at Redline Speed Worx (RSW) has taken this a step further to ensure the longevity of your engine. The computer keeps track of how much the chain stretches over time. A timing chain is a part of your engine that has direct control of the timing of the upper and lower parts. Also, the ignition timing check connector must be jumped. Now, loosen both bolts on the tensioner to apply tension to the timing belt. There is a kit for this type of work, but hell, why does Ford make things so difficult with NO marks?. • Rough idle. The main job of the timing belt is to connect the crankshaft to the camshaft. Get out a 19mm, 12-point socket and place it on the crankshaft bolt. Import vehicles (including some American vehicles) with timing belts are much more likely to jump time for various reasons which can possible trick the computer and cause the P0171 lean code. Simply screw the nut attachment onto the end of the flywheel, then the main puller body onto the flywheel itself. Simultaneously, the metal teeth on the cam and crank sprockets will slowly round off the edges of the belt teeth, turning those neat teeth into sad little bumps. Remove the A/C belt Loosen the tensioner bolt, pivot bolt, and lock bolt on the power steering pump housing until the belt can be slipped off. Low oil level (known problem for my car) caused timing belt to jump during downshift. To fix the Pontiac Sunfire if it jumped time, the timing belt has to be replaced. Unless you like taking your engine apart more than once, get all the parts that you are taking off anyway. 2 diagnostic part 1 Beginning of the diagnostic procedure we put on the diagnostic computer and compare the actual reading of the cam adjuster on bank 1 and bank 2 cylinder head to specification. The method of timing verification shown in this video can be used on any car. 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. A timing belt is a toothed belt that connects the engine crankshaft to the camshaft or camshafts as you can see in the picture. I am also concerned that the timing belt has skipped a tooth. Not replacing your car's timing belt as general maintenance can lead to a costly repair. Do NOT turn crankshaft or camshaft with timing chain removed. We also give you an estimate or quote before work is performed. I haven't had any timing belt issues yet, I think it was done before I got it, but it has been helpful for a belt change and tensioner fix. Locate the proper timing marks for your engine. The belt looks reasonable, but I have no idea how old it is and for a $25 part, it would be good insurance. A common reason for this failure appears to be that the bolts securing the tensioner work their way loose. And there's not likely any DTC because there was no CEL. The dealership is asking me to pay to find that out. The Red Mark indicated 12 BTDC. That was the only car I had the timing belt & water pump replaced on. Timing belt destroyed pistons, rods and cylinders. Thread the belt over the engine pulley at the front and the transmission pulley at the back, then put the tension spring back on to tension the belt. With the cover removed align the timing marks on the camshaft (Fig 4) and install the crankshaft locking tool (Fig 5) to hold it in position. If you’re an expert in car repair, jump in and share your expertise!. that will make us unwilling to fix the car. Slip the belt over the intermediate shaft sprocket, around the tensioner, and over the camshaft sprocket. I'm looking at a timing belt repair for my '06 Outback. 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. Also, I have been told that the timing chain, unlike a cam/timing belt, does not necessarily need replacing at a certain mileage (my van has done just under 79,000 miles) & in fact, so long as the oil (being synthetic oil) & filter are changed annually, the timing chain will normally last for the life of the engine and should never need replacing. A timing chain may last longer than a belt, but is more susceptible to a lack of maintenance. If the valve timing is off then the engine will run poorly. we scan the ecu for dtc's and if we find a cam position code and a correlation problem between. Ford Global Part No. When inspecting the belt, look for cracks or chips, and for teeth or ribbing that appears to be missing. It may last until 80,000, 90,000 or even more miles before it fails. Whether you're a car aficionado or just trying to get around, use this guide to decide on your next car and keep it running smoothly. I am also concerned that the timing belt has skipped a tooth. There are many reasons for that but one main one is that the compression will be low on all cylinders. The EJ20 DOHC is a zero tolerance engine, meaning if the belt breaks then the pistone will hit the valves and you'll have major repairs. The timing belt, not the serp accessory belt, drives the water pump directly and a seized water pump bearing is either going to (pretty quickly) shred the timing belt or cause the timing to jump a tooth or more if the pump shaft leans to one side as it freezes up (as is often the case). In my case, the soupy mud (from my sig pic) entered the timing belt chamber and hardened causing the belt to jump teeth from the crank shaft. Have a Ryobi X430 trimmer with a 4-stroke RY34001 engine. those cars dont have timing belts only chains no matter the engine. The engine will loose power immediately as the valve train now is out of timing. Much worse, the belt causes the motor to jump timing and self-implode. Cost to Replace Ford Explorer Timing Chain - References. 5 to 2008 or 2009 depending on the model. Timing marks are exposed by removing the rubber cap from inspection window on the cylinder block, by the bell housing. The best thing that you can do is have the vehicle timing belt service performed on schedule. External belt driven OHC. I've also noticed my steering is feeling slightly heavier then it should and I'm no mechanic but Google suggests that the cam belt would need replacing to fix both these issues. Used to power the Toyota Tundra, Sequoia, Land Cruiser, and 4Runner in addition to the Lexus GX470 and LX470, this V8 is ridiculously reliable. And I'm sure it's not the coils or spark plug bought 12 of each and it still run rough and turns off when idle. I cannot seem to successfully reassemble it and would appreciate any assistance. Many Toyota owners also report timing belts lasting 150,000 miles or more. The belt or chain transfers the rotation of the crankshaft to the camshaft. There is no easy way to correct a jumped timing belt. A compression check of all cylinders should be performed before removing the cylinder head. But eventually your timing belt will fail, and when that happens it can cause expensive engine damage if your engine is an interference engine. Rotate the distributor while watching the timing marks. All they're going to do is reprogram the ECM. Conversely, a huge fraction of belt-timed engines will jump time at *some* point in their lifespan because of owner neglect and the relatively short life of a timing belt compared to engine internals, so there's motivation to make them non-interference designs. I am also showing in this video how to properly align the timing. Timing belt or timing chain,what is a timing belt or timing chain, what is valve timing, timing belt and timing chain repair,change timing belt,timing chain replacement,water pump timing belt,diagnosis,Symptoms of a bad timing chain or timing belt,don't bend valves!. Find out how to mend just about anything. You will need to disassemble a portion of the engine to gain access to the belt tensioner, so you can move the belt back into position. Unfortunately, this isn’t easy to check, because the timing chain is covered up and you can’t run the engine with the timing cover removed. More often, though, damage is due to wear in the timing. So here we are, "next time" is now. Head will likely need to be replaced not rebuilt if a timing belt breaks in the 1. Just for your edification, I'll go into the what's what on timing on this page, but if you have zero interest in all of the complexities of ignition timing, why it's important to how well your engine is running, and why it can be disastrous if it's off, you should skip all of the tech talk and simply get out your manual to. I called the dealer and they couldn't tell me if it was or wasn't. From what I understand, belts on earlier models need to be replaced at 60,000 miles, and newer models at 90,000 miles. can you help i have replaced timing belt kit with all new bearings /seals a full belt kit I was informed by my service man he was unable to find the reason why the belt only lasted 2 months and jumped a 2 notches. The White Timing Mark on the Crankshaft Pulley indicates Top Dead Center (TDC). How to Fix. It burns not even 1/2 qt. If the belt jumped on an interference engine, there is most likely valve damage and resetting the belt will probably not solve anything. Towing Near Me. Unfortunately I dont have the money to fix all of the same problems I did last time, and I am trying to nip it in the bud before the problem gets worse. According to the mechanic, this belt is in a good shape and can last for a while longer. What are some symptoms my timing belt has jumped. Put the crank bolt back into the crank bolt hole and use a socket to rotate the engine until the indicators line up. When I went to pick up car, they told me there was an additional $130 parts charge for replacing the timing belt tensioner (no labor). 5 Alternator belt/ alternator/ battery. If your car ran fine and then the motor stopped suddenly with a clunk and won't restart, it is likely your timing belt. How much replacing a timing belt should cost. A timing chain may last longer than a belt, but is more susceptible to a lack of maintenance. It should cost no more than $120 to $150 for both parts combine. when the auction sight started the car to run it into auction, the belts and stuff were squeeling at that time and that probably when it jumped. Symptoms of a timing belt that has jumped/skipped a few teeth: One Tooth: It will idle like normal and the exhaust will sound fine but cruise and WOT the car will feel like you've got no power and in most cases will hesitate and misfire. I cant even turn the crank by hand. I was familir with this problem because the last time my car broke down the timing belt had popped out and the cover was broken. Once the timing chain is exposed, the engine is then rotated until the marks on the teeth of the timing chain are aligned. We recommend the following online resources for trustworthy information about Ford Explorer maintenance, repair and service. Hook up the timing light to the number one cylinder and start the engine. The cost to repair unbelievable. Replacing a timing belt should not be difficult. The repair cost will depend on the damage. It isn’t easy to figure out whether a belt is at the right tension just by looking at it, and often it’s obscured by a shield or cowling. The next step was to use a timing chain with sprockets and tensioners. External belt driven OHC. Asked by Mark Kummer. Oil pressure is low: The tensioners that keep the timing chain tight are operated by oil pressure so if your oil pressure is low then the tensioner will not be working properly hence your chain will flap around and hit the guides. Your timing belt tells the pistons when to rise and fall, and the valves when to open and close. I'm doing the timing belt, tensioner, and coolant pump on a Golf with an AVH engine, and am having trouble getting the passenger mount back on. The timing marks won't go back to their indexes or the lines on the belt after a few turns. A mechinic is telling me i need to replace either my Crankshaft sensor or my timing belt may have jumped. Place the bolts in a safe place. Use how to mend it. Add Tip Ask Question Comment Download. Way to tell by inspection if my timing belt has been serviced Hi! Last Feb I bought an '06 TDI Jetta w/ just over 80K miles from a dealer w/out service records. Worn or loose belt tensioners can also lead to misalignment. Hey Thanx Artem for the post. The flywheel should be temporarily re-installed without tightening the nut. As the chain stretches, the camshaft timing becomes retarded. Ensure that your new belt mates with the sprockets precisely and that cam timing hasn't changed. The GDI engine produces about 138 hp and the Nu engine about 162 hp. Look at the tensioner, water pump. Due to the size of this engine, clearances are very tight for the timing belt repair, especially on the smaller 4Runner (see Photo 1). Another very remote possibility is a difficult-to-rotate cylinder-head. 2013-2014 Escape 1. 5L I have worked on this car before and it is a pretty straight-forward car. Tensioner efficiency: Before you take off the tensioner and the timing belt, take a moment to notice the tension on the belt between the exhaust cam and the water pump. 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. Of course the water pump is driven by the timing belt, so replace that. Upon inspection the mechanic found bent valves and concluded that the timing chain jumped. One tooth equals 17 degrees of timing. Subaru Timing Belt Repair Gone Wrong By Justin Stobb on April 28, 2011 in All Wheel Drive Auto News , Performance , Subaru Maintenance , Subaru Repair Seattle Not every customer automatically knows who should service their Subaru, many don't do any research at all prior to making appointment somewhere. 1987 - 1996 F150 & Larger F-Series Trucks - how to tell if timing chain jumped tooth - Any way of telling short of pulling timing cover?. Changing your timing belt is not a small task, and it will not be identical to your car (unless you drive a 4cyl 626, mx6 or ford probe with an FS series engine). of oil every 3000miles. With the timing cover off, most chains and gears have marks. If the belt jumped on an interference engine, there is most likely valve damage and resetting the belt will probably not solve anything. How to examine for a jumped timing chain or belt. Usually another part in the system fails - water pump, idlers, tensioner, etc. The timing marks won't go back to their indexes or the lines on the belt after a few turns. So how do i line them back up. 940 timing belt question maintenance & nonperformance. Simply screw the nut attachment onto the end of the flywheel, then the main puller body onto the flywheel itself. AAMCO Colorado Can Diagnose and Fix Your Timing Belt Visit an AAMCO Colorado transmission repair and total car care center near you. This will require further disassembly to verify the chain's condition, along with the tensioner function and measure the timing belt or chain. I will ask Frank's for a compression check and a leak down test. 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. You may be able to adjust the distributor to be in time with the crankshaft but the valve timing will be off. Most of the time they are also damaged. It has a timing chain that turns the cams. More often, though, damage is due to wear in the timing. One tooth equals 17 degrees of timing. Look up your timing specifications in your owner's manual. As technology has improved, many manufacturers recommend intervals up to 100,000 miles. Also a diagram for timing belt routing and marks for the 3. In the same year, the 2. mine jumped timing. so i found my problem jumped time really bad causing no start with good fuel and spark. The crankshaft controls the engine's pistons while the camshaft opens and closes the valves. Much worse, the belt causes the motor to jump timing and self-implode. It was a bit of work to get it all lined up as this side is under tension and you are now running out of belt free length. Warning light went on, I took it to the dealer, and it fortunately exhibited the failure at the dealership. The Service Team at Redline Speed Worx (RSW) has taken this a step further to ensure the longevity of your engine. Thanks for all of the advice. The GDI engine produces about 138 hp and the Nu engine about 162 hp. 2 engine - timing chain problem step 1 - 3. Mike Walker. we scan the ecu for dtc's and if we find a cam position code and a correlation problem between. A broken timing chain or timing belt will cause the engine to turn over very easy and fast because the compression process is not happening. 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. you are my only hope for help. When the mark on the pulley lines up with the pointer, tighten the distributor bolts, and turn off the engine. The method of timing verification shown in this video can be used on any car. The timing is off because the tensioner gave out and allowed the chain to jump one or two teeth off. we watch to see how far the ecu adjust the timing retard and advance. Failure is often more expensive to correct than with a belt, due to. Try removing the 2 on the drivers side and then jaming them over the passenger side and turning them to face up to prevent all the radiator water escaping. Known issues on the car are the jumped timing, the previously mentioned leaks, and bad AC condenser. 5VZ-FE Timing Belt and Water Pump Replacement I was crawling under my truck one day when I noticed that I had a coolant leak at the front of the engine. The writer kindly referenced me as a “well-known wizard on the GL1000” and mentioned my timing belt change interval recommendation. Timing marks are exposed by removing the rubber cap from inspection window on the cylinder block, by the bell housing. There are interference engines that when the timing jumps it can destroy valve train components. Use chalk to mark the pulley and the block scale. There is a kit for this type of work, but hell, why does Ford make things so difficult with NO marks?. A timing belt kit includes the rollers, tensioners, gears, and the timing belt for a complete repair. Tensioner broke, timing belt must have jumped timing to the cams. That way, the timing belt's lifespan can be preserved. The only difference between a timing belt and a chain is that belts are made out of rubber, while timing chains are metal chains. 0L DOHC VIN S Get the most accurate Timing Belt Repair Information, including Diagrams in our Online Service Repair Manual It's important to stay well-informed about your Mercury Sable - and especially important for DIY types to have accurate timing belt repair and diagrams. 5 Alternator belt/ alternator/ battery. Ensure that your new belt mates with the sprockets precisely and that cam timing hasn't changed. AAMCO Colorado Can Diagnose and Fix Your Timing Belt Visit an AAMCO Colorado transmission repair and total car care center near you. Worn or loose belt tensioners can also lead to misalignment. Thread the belt over the engine pulley at the front and the transmission pulley at the back, then put the tension spring back on to tension the belt. If the shop manual is not available, remove spark plugs, turn engine until front piston is at TDC on compression stroke and identify TDC mark on the flywheel. Timing Belt Repair & Diagrams for your Mercury Sable V6-3. how often do i need to change my t belt on my 91 940t it has 213 on the car. Just had timing belt replaced on my 2006 Odyssey with 87k miles. With the timing cover off, most chains and gears have marks. 2 engine - timing chain problem step 1 - 3. If the control collar is not engaged properly and shoved too far toward the timing belt side of the car, the car might not idle, or start. You will need to disassemble a portion of the engine to gain access to the belt tensioner, so you can move the belt back into position. Ready to have some FUN. Broken belt--lay it next to a ruler and measure end to end. Then reassemble and perform a compression test (and leakdown if you have the equip) and see where you stand. Repairing an Alfa Romeo JTDm with broken cam or timing belt First of all if you are unfortunate enough to have a cam belt snap on a JTDm diesel engine it is not as bad as you might expect, the engines dont USUALLY bend valves they snap the rockers in half. Even worse, the main seal continues to leak and you run the motor dry. Just had another issue with the timing chain slipping. Symptoms of a timing belt that has jumped/skipped a few teeth: One Tooth: It will idle like normal and the exhaust will sound fine but cruise and WOT the car will feel like you've got no power and in most cases will hesitate and misfire. I need to be sure. By Larry of J & J Auto Discuss this with the author. 6L Engine Cam Tool Kit 1 of 2 Ford Tool Application Chart Year Model Engine Tool Description Part No. The timing belt tensioner really does need a vise to get the pin to seat; that thing is really strong! I was able to change the timing belt without removing the crankshaft damper, but if I did it again, I think I would spend the $20 and rent the correct tool to pull it off. Timing Chain repair costs Discussion in 'LR4' started by Tyler Douse, May 29, 2018. With the timing cover off, most chains and gears have marks. 2 FSI AVE Engines, please see TSB 15-09-04. 2004 Cadillac Timing chain problem. A timing belt is a rubber toothed belt which is designed to drive the camshaft, balance shaft, water and oil pumps depending on manufacturer's engine design, via the engine crankshaft. Even though the timing chain itself will probably outlast the rest of your truck, the guides and tensioners are less reliable. Best to pull the timing cover off and replace the timing chain & gears with a new one. Not replacing your car's timing belt as general maintenance can lead to a costly repair. As with most things, prevention is a far more cost-effective plan. Sounds as though the person you had work on the timing belt didn't properly tension or torque something. Used for Adjusting the Timing Belt Tension ; Applicable to 1999 and later VW Golf, Jetta, Passat, and 1999-2003 VW Beetle with 2. jumped off the gas, changed course straight to my mechanic's workshop, and low and behold it's the timing belt that had slipped a tooth or 2 due to a weak tensioner arm. Make sure that you can hear the fuel pump come on as well when the key is in the "on" position. A timing belt won't last as long in extreme temperatures as it would in a milder climate. 1 The big sign that a timing belt is about to jump or break is clanking sounds. Modern belts rarely just break for no reason - they usually slip until the timing is so far off that you absolutely have to take it in; b) even the most ignorant mechanic knows to check the damage to an interference engine if the timing belt breaks. I haven't had any timing belt issues yet, I think it was done before I got it, but it has been helpful for a belt change and tensioner fix. For example, this timing belt in the next photo belongs to the Acura TL with 52,000 miles. 7L V8 2UZ-FE timing belt replacement note The Toyota and Lexus 2UZ-FE 4. Just had timing belt replaced on my 2006 Odyssey with 87k miles. For years, they had the timing belt turning one cam and a chain with a variable valve timing tensioner running the other cam. Due to a coil pack problem before I could fix it I had to leave for a long time. Rough idle, fairly smooth under acceleration but poor power and seems to run a little rich. CAUTION: This engine has been identified as an INTERFERENCE engine in which the possibility of valve-to-piston damage in the event of a timing belt failure is MOST LIKELY to occur. Broken belt--lay it next to a ruler and measure end to end. 8L F18A3 Engine SOHC, mostly the same as other F series 4cyl honda engines. An easy way to check is, pull #1 spark plug, and drop the dipstick down the hole. The only thing that happens when a timing belt breaks is a few valves get bent. BMW's timing chain problem comes back to haunt carmaker That makes it all but impossible to inspect or repair without removing the engine entirely - a costly and time-consuming job. He told me that they used a small timing belt with a spring-loaded tensioner with cog-type wheels. Remove the Crankshaft pulley damper using 2 techniques. "Next time I'm doing the job myself". Thanks Shadi. The belt tensioner’s first job is to maintain the proper tension on the serpentine belt. __The two are not compatible!__ If you have XL belts and pulleys that were printed for T5 belts, they may seem to fit but you will never be able to get decent prints. Verify that the timing marks for TDC on the camshaft sprocket match up with the notch on the cylinder head (see Photo 10). CarComplaints. The INA timing belt kit contains all the fixings needed for this repair. Timing chain replacement on modern overhead cam engines is very complex. This direct link provides the timing of the valves during their opening and closing sequences. I went into this repair with the intention of replacing the timing belt, rollers and water pump, along with the coolant, thermostat and accessory belts. In this condition, if an attempt is made to start the car it can bend the valves. There is no easy way to correct a jumped timing belt. The computer keeps track of how much the chain stretches over time. Remove all V-belts (A/C, PS, Alt), A/C tensioner. Unfortunately, this isn’t easy to check, because the timing chain is covered up and you can’t run the engine with the timing cover removed. The timing belt is located in front of your vehicle's engine.