First, you need to know what engine does your car have? The same car could have different engines. The serpentine belt technically has no replacement interval either, just inspection (frayed, cracked, etc) but I most likely will by 100,000 regardless. Only problem is it's done 70,000 miles and I think it must be due a timing belt soon. thanksFord KA 1. The only time you need to change it is if it starts making a lot of noise or if you had to do a valve job at some point - probably around 200,000 miles - then i would just change the timing chain and gears at the same time. This Service and Maintenance Guide is designed to help you make sure your vehicle receives proper and timely maintenance that is necessary. I've know some jump a few teeth and write the engine off. It should include a gasket for the front cover, water pump, and a front main seal to replace the one in the timing cover. In the old days they used to say change a timing belt at 60k and a timing chain at 100k to avoid the possibility of shredding the engine if it failed. This time, idk. I took it to the shop - a private shop, not the dealer. – Seattle Subaru Repair […] If I have $800 to spend on replacing t-belts, what should I replace? - Subaru Forester Owners Forum - July 13, 2012 […] down its the smooth silver looking pulley the belt runs on bottom right center part of engine. But the 105K-mile timing belt replacement interval, and the long-time loyalty to the VW (we bought two new VW's before) made us did the purchase. I have an 08 with 56k miles, and am worried that I am sitting on a timing chain time bomb. The stock chain had nylon teeth which were starting to crack. If your service manual does not recommend a replacement interval, you don't need to plan on replacing the timing chain. I mean Ford V8’s so seem to have timing chain problems but a lot of times they don’t develop until 200 or a thousand or more kilometres. View Latest Patty Peck Honda Service Coupons How Do I Know When To Change My Timing Belt. Unless you have a lot of auto repair experience, a timing belt replacement is not an easy DIY job and should be handled by a professional. as simple as the chain adjuster needing replacement, to put more pressure back. They had to replace timing chain, a rattling noise is still very. Yeah AFAIK VW does not specify a replacement interval for the timing chain. I know that the B47 timing chain is still buried at the back of the engine so would be engine out job to replace. I did not know the 1. Dont risk it!!!. Replace at 105K miles. **If you think your car might qualify, you should seek a lawyer working on this Audi and VW timing chain lawsuit. But if it is a timing CHAIN, which is supposed to last longerwhat is the interval before replacement?. steve ive just had a cam belt fitted to our motorhome and believe me they are absolutey vital they need changing every 6 years or every 72 thousand miles it cost me £400. Timing chains stretching & failing are a known issue with Holden VZ & VE Commodores with the alloytec 3. It is imperative that you know the status of your timing chain, When the chain brakes you have extensive internal damage to your engine. How much replacing a timing chain should cost. Has anyone ever changed the timing chain. Every time you use the engine, the timing chain will be used. For a R171 200 SLK, what interval do you have to change:-water pump-tensioner-timing chain The previous owner told me that he had changed the timing belt at around 130. Timing Chain Replacement. I have a car with a belt and I'm guessing my 5. The cams are driven via a timing chain that does not require any regular maintenance or replacement until 150,000 or more miles. Timing Chain Rubbing Against Valve Cover! Solution: I just recently brought my '92 SE into the local dealership for some warranty work - Timing Chain making a strange rubbing sound but not quite a rattle, as well as replacing the tranmission seals for major leaks. And if replacing the water pump is the prime concern, re-installing the old belt isn't a great idea. I have a 2003 Jetta TDI with the ALH engine. The car had a replacement filter at 90k, and runs very well. You might contact GM customer service and ask about extended warranty on the V6 timing chain issue. If the belt didn't jump time, don't rotate anything just yet. Servicing is significant. Normally for timing chain setups, oil cools the chain, reduces wear and makes everything happy. Thnx in advance. It relies on oil pressure to hold the chain tight, so when you first start it the timing chain can flop around somewhat until it is brought up to tension by oil pressure building in the tensioner. Conversely, if you're replacing your timing belt at the recommended interval, there's minimal labor to replace the water pump because you've already done all the work of getting to it in the first place. All three components wear as a system and should be replaced as a matched three-piece set. Crankshaft Aligned with Stage One Timing Mark on Oil Pump 2990 VACC Tech Talk. 0-liter engine has a history of tensioner problems that can lead to a loose timing chain and catastrophic engine failure. typically the timing belts need to be replaced around 100k miles in most cars, but not the chains. 1999 CLK 320 (208 365) 112. UMR Engines Brisbane. The first step in replacing the timing chain tensioner is to disconnect the battery. The first replacement is 11 years or 137,000 miles. How to Tell if a Timing Belt Tensioner Is Bad. I've got the 2014 3i GT hb with the 2. About 3-1/2 years ago, I got a 2007 TSX 6MT for a daily driver, with 132K+ miles on it. Understand about "cost". As JohnnyBzSRX mentioned, timing chains are usually not maintenance items (unlike belts) so this is either poor maintenance or a defective/low quality issue. If you've heard the death rattle from the passenger side of your N14 or N18 engine here is your problem. I'm looking for advice on avoiding DPF issues. The Timing Belt Genie provides information on the recommended replacement intervals of timing belts/cam belts for vehicles. What is the timing chain interval for replacement? I've heard 100,000 so far. Removing the timing chain from your GM 3. You dont have much to worry about in the chain. Timing Chain Replacement Cost Comparison. 3 that had about 60K miles on it, the chain had a big amount of slack in it. In the absence of specs, experts recommend replacing timing belts at 60,000-mile intervals. This is crucial in order to ensure that your vehicle's timing is in sync. After having oil change at Midas the car can not start. You should replace it if it gets noisy. The timing belt (or chain) is the sole component that keeps the camshaft (make that camshafts on a DOHC or V-type OHC. I would suggest also replacing the guide on the tensioner side of the main timing chain. It already had the updated "silent" timing chain, but had a very noticeable cold start rattle, and was throwing a P0016 code on a regular basis. I've seen far too many morons tackle such jobs,. Jump to Latest Follow 1 - 6 of 6 Posts I've done it on an old 202 a while ago and the marks are the same. There is no timing belt in these engines. Seattle Subaru Timing Belt Done Right. 7 Hemi LX Vehicles: The Timing Chain Issues And The P01 Customer Satisfaction Notification. Why Replace Your Timing Chain? Over time, wear on internal working parts of your engine will spell the need for replacement. I can't find out what the interval is in the manuals available on the internet though. Some people have told me that the timing chain doesn't need to be replaced on these cars. Anyway, I've heard bad things about timing chains snapping on these engines so some questions: 1/ What should I be on the lookout for (noise-wise)?. What Is the Difference Between a Timing Belt and a Timing Chain? to replace the pump at the same time you replace the chain. A change was made to the pitch of the chain, but the jury is out about the effectiveness of the change. Timing Chain or belt. 000, but he did not give me any official service records. We strongly suggest you come in and have this service performed soon, as your vehicle’s engine could suffer severe internal damage should the timing belt break or jump timing. Gears are all metal. I’ve learned that a visual inspection of the fluid can tell me more than a calendar ever will. I guess owning a extra set of wheels and snow tires swayede to pay the price. However, with my anticipated T4R V6 purchase, can I assume the maintenance regimen should be the pretty much the same with the V6 chain-driven timing, i. I have a 2003 Jetta TDI with the ALH engine. I've seen them last 70k with abuse. My car is a 2006 Holden Commodore Omega VE. I've got the 2014 3i GT hb with the 2. 6L VVT engine picture. so does that mean at certain interval chrysler will replace it before it breaks, and if so, do they stick you with installation, sure they throw in the 5o dollar chain for free but you pay 800 dollars for install. At the bottom of the letter, right next to that coupon was another coupon for 10% off a Timing Belt(chain?) replacement. Excessive slop or deflection in the chain(s) or belt(s) is another indicator of excessive wear that requires replacement. We can diagnose or repair, replacement your chains at a competitive price. Changing GM 2. As JohnnyBzSRX mentioned, timing chains are usually not maintenance items (unlike belts) so this is either poor maintenance or a defective/low quality issue. What is the timing chain interval for replacement? I've heard 100,000 so far. Mercedes Benz 560 Engine Timing Chain Guide Replacement if you do not replace them at their recommended service interval. Any good write-ups/threads? Thanks!. The 4-year mark is important for cars that do not see high mileage use. and I am told from the kia dealership where I got my car that the timing belt needs to be changed and its going to cost 500 bucks to do so. We offer the repair for $1,200. A faulty chain may cause a total failure of the engine. There is no recommended service interval for the timing chain. Timing Chain Replacement on 2009 1. If this is the case, then all you need during your session is water. some motors are "zero tolerance" engines which means if the timing gear were to stop (or break) the pistons will contact the valves which can ruin an engine. : - replace chain when displaying sign of wear?. Some people change those as well, as the labor to do then later is the same. Since I don't have access to the Escape's owner manual (Escape is at the dealer getting an AC line replaced), does anyone know for sure if the 2. 0 will have a noticible improvement by changing the timing set at 100k miles. I’ve got an issue with the timing chain on my 1. 4 petrol Vauxhall Corsa Design with 73k miles on the clock. That's the main part. What is the recommended change interval for Timing Chains on Toyota 1GR-FE engine please? Thank you Alan [email protected] As the owner of a Hyundai vehicle, please ensure that each recommended maintenance service is performed at the prescribed interval. The M54/M56 engine in your 2001 325i (and many other BMW models; X5, X3, E39 5-series, E60/61 5-series, Z3, Z4) does not use a timing belt. Change automatic transmission fluid, if equipped. I've always done my vehicles at 75k miles, or any time the gears are exposed (kinda like installing a new clutch every time the tranny is out). I've also heard that in order to replace the timing chain you have to lift the engine out of the car so it will cost a few thousand bucks. 1080p HD for clear. To change a timing chain, remove the radiator cap, drain the coolant out, and remove the radiator hoses. What is the recommended timing chain replacement interval in the E39 M5? Is there any reason to do it more frequently? Thanks. My nav is now at 118000km, should i go about changing the timing chain or leave it? also, the bluetooth on the radio is beginning to give a little trouble, and i've reset it, but still patchy. This was ‘an advisory’ and they couldn’t expand much on whether they would recommend getting it fixed or not. 99999999% chance that it's NOT a timing chain. The car had 63k miles on it and was manufactured in January 2011. Does a timing chain need maintenance? My Skoda Felicia has chain replacement interval of just 60'000km and both times it was changed at specified times it was. Not sure on Audi stuff, but Mercedes don't suffer timing chain snapping. It is a great blend of luxury and sportiness. They also want to replace the engine because it would be cheaper than pulling the head labor wise. There may be one at 150-200k or something. I've seen DOHC chains last 300k miles. They were single roller chains with a nylon coated cam sprocket to keep noise down. This issue happened to me, immediately proceeding I was in a parking lot in wal-mart. Re: Timing chain Timing of this thread is interesting. I'm going to buy a first generation Toyota Yaris with ca. The timing belt is part of a system, and as such comprises only one part of that system. We can diagnose or repair, replacement your chains at a competitive price. if i need to replace drive belt, do i replace water pump at the same time? #4. So you just have to bite the bullet and decide. My Element is just over 1yr. First, you need to know what engine does your car have? The same car could have different engines. Every time you use the engine, the timing chain will be used. 0 engine of course. 100k - 120k miles and I'm wondering whether or not I should replace the timing chain after buying in. Holden VE and VZ Commodore timing chain fitting service. Fortunately, when an oil pump fails, the car's computer will notify you and allow a chance to replace the pump. Hi, new to the forum, but I've been been a club member for a while now. Failure to maintain constant tension can lead to the timing chain jumping a sprocket and then catastrophic engine failure. What is the recommended timing chain replacement interval in the E39 M5? Is there any reason to do it more frequently? Thanks. For more details such as recommended change intervals, please refer to the Warranty and Maintenance Guide or Owner's Manual for your vehicle. Usually, if your car is still under warranty, it rarely happens that you have to change the timing chain. I brought my 2004 TSX for a while, and I am wondering when I am supposed to replace the timing chain. Below is a quick reference chart to identify if your vehicle has a timing belt, chain or gear. The metal links in the chain move on the tooth sprockets on the end of the crankshaft and crankshaft so that they rotate together. 0 diesel Z20D1 Engine Variants. K24's are notorious for high oil consumption, especially manual trans cars. 5 had a BIO timing belt so I think an extended replacement interval is not unrealistic. Find ve commodore timing chain replacement cost ads in our Engine, Engine Parts & Transmission category. Does A Ford Escape Have A Timing Belt (Cambelt) Or A Chain? Here is a list of timing belts and timing chains for a Ford Escape. All of our Timing Chains are guaranteed to fit if you use enter your Mercedes Benz ML350 into your Year Make Model selector. Every time you use the engine, the timing chain will be used. BMW 1-series Timing Chain snapped the repair given if it was checked then the wear of the chain may have been spotted and replacement advised. Not on the Focus. Fortunately, when an oil pump fails, the car's computer will notify you and allow a chance to replace the pump. The timing chain is extremely important. The service manual may show a recommended replacement at over 150k miles or so. Engine in car still. Timing Belt = replace at a regular interval or die by the hands of the timing belt nazis. Belt and it needs changed at 60,000 mile intervals. The 02 & 03 some models have problem with the timing chain stretching. Timing chains are usually more durable and require less maintenance. If you plan on doing it yourself it is a little lengthy process, I am in engine D & R right now and its not the hard but one of the timing chain guides is fun to get out. I've found conflicting advice re: replacement of the timing chain… to replace or not replace, that is the question. 72,000 miles/72 months- oil/filter service, rotate tires, replace fuel filter 90,000 miles/90 months: repeat 30,000 mile service. All of our Timing Chains are guaranteed to fit if you use enter your BMW X5 into your Year Make Model selector. If it jumps too much then the valve(s) can eventually hit the piston because the timing is so far off. Changing GM 2. Still great engines if maintained properly. That’s because most of today’s power plants are what’s known as “interference” engines. I fired up AllDataDIY to find out much to my surprise that 1ZZ's have a timing chain. If later down the road you get alot of crank relearn codes, its gonna be time to put in a new chain. But I work for Volvo and have seen their kevlar timing BELTS run for 150K+ before replacement. 6 V6 GM HIGH FEATURE TIMING CHAIN/HEADS INSTALLATION GUIDE/TIPS. Find guides for your Holden VE Commodore here at AutoInstruct! Our automotive experts will help you through the maintenance and modification of your vehicle. On a side note, it also surprises me that no one ever developed a replacement timing chain system for these bikes. 0 diesel Z20D1 Engine Variants. I've been doing a lot of research on the timing chain setup in the Ecoboost Engines to try and understand why many folks are reporting a "startup rattle" issue. What Is The Interval For The Timing Belt/chain On The Hch2? I've inspected/adjusted valves on a number spring, and stem inspection (replace if applicable) 5- Valve. i was thinking of changing the radio unit, is it a standard double din as its called ( i think?). Hi, just bought a Mini Cooper D, 2011, 126k miles. Only problem is it's done 70,000 miles and I think it must be due a timing belt soon. The LS2 timing chain is a great, inexpensive alternative to a pricey double roller chain. 4 would be similar to the 2. 4 petrol Vauxhall Corsa Design with 73k miles on the clock. However, with my anticipated T4R V6 purchase, can I assume the maintenance regimen should be the pretty much the same with the V6 chain-driven timing, i. The oil pump serves one purpose: to circulate lubrication inside the engine. Replace at 105K miles. I just replaced the timing chain on my 87 Grand National with 73k miles with an Edelbrock true roller. You never have to replace it, but you should have it checked every 100k miles. If ever there is a need for replacement, you no longer have to worry. Also sounds like your two upstream sensors are on the way out. Most Ford engines with overhead cam timing belts have a recommended replacement interval of 60,000 miles to 120,000 miles depending on the application (see the chart on page 54). The typical chain elongation observed was a minimum of 3 mm on a doubled-up chain. 9L Timing Chain and Guides The local shop wanted, what I thought, was an excessive amount of money so I set out to to replace timing chain, guides. I've always been led to believe that the chain is preferable over the belt as it has a longer life. Timing belt or chain: The K24 4-cylinder engine has a timing chain, but the 3. 6L VVT engine picture. COM — The positive crankcase ventilation, or PCV, system was one of the earliest. 0/305 120'000 miles, this truck has been a worker since day 1, Has a trailer hooked up to it almost everyday. 0 liter version, the. If you've got a Saturday free, you can save nearly $1,000 by doing it yourself. 0 have a chain or belt and what is the correct interval now for changing them?. The Jaguar Land Rover Range Rover has had the timing chain tensioners redesigned and have had reported issues with the timing chain tensioners on various forums including rangerovers. Most cars will need to have their timing belt changed between 60,000-120,000 miles, the exact figure can be found in your car’s service manual. I took it to the shop - a private shop, not the dealer. 5L Ecoboost isn't nearly as bad as you might think. I have a 2012 Honda Accord with a timing CHAIN. As a V8 engine, it uses a timing chain that is located on the front of the engine behind the crank pulley, the water pump, and the timing chain cover. The timing belt is part of a system, and as such comprises only one part of that system. 2 is due for its K150 service. Timing Chain does not need to be replace unless the chain is stretched and make noise. Now it is recommended to be 4,000 to 5,000 miles with regular oil and maybe 7,000 with synthetic oil. Timing chains are usually more durable and require less maintenance. Usually, if your car is still under warranty, it rarely happens that you have to change the timing chain. Replace timing belt, idler pulley, and timing belt tensioner (or 3 years, whichever comes first). You should also have them inspect the front main seal and the camshaft seals. 0 FSI / TFSI chain between camshafts, tensioner and hpfp follower. Inspect the timing chain tensioner. Select your vehicle to uncover all you need to know about your Toyota, from warranties on replacement parts to manuals for unique vehicle needs. Labor costs are estimated between $376 and $476 while parts are priced between $210 and $238. Timing Chain Replacement kit for Turbo MINI Cooper S R55 R56 R57 R58 R59 R60. 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. Change the oil and they ought to last almost as long as the engine, if not as long. SOURCE: when should you replace the timing chain? if you have a timing chain and not a belt for the most part it the life of the engine itself if the engine does not jump time you be find and check out autozone. If you've little experience working on big. I've been doing a lot of research on the timing chain setup in the Ecoboost Engines to try and understand why many folks are reporting a "startup rattle" issue. Hi all, I'd noticed a rattling noise coming from the top and so I've removed the Rocker cover and found that the timing chain is quite slack I'm guessing this is stretched. And, if I do in fact need to replace the timing chain, anybody have any idea what that might cost? Also, is there anything else I should consider?. However, does anyone have an estimate on how many hours it might take to replace the timing chain. Have had no problems with them. Replace spark plugs and inspect spark plug wires. Some older gasoline V6, V8 Audi and VR6 VW engines used a similar chain system and needed chain service as low as 100,000 miles. I am looking at purchasing a 2010 x35d that has 50,000 miles on it. php(143) : runtime-created function(1) : eval()'d code(156) : runtime-created function(1. Honda considers 1 quart every 1000 miles as "normal". That's why you can't find much on it. I would suggest also replacing the guide on the tensioner side of the main timing chain. -- Paul Giverin. 1 x Timing chain tensioner (Secondary left). For example, the 2011 Subaru Legacy requires timing belt inspection every 30,000 miles and timing belt replacement at 105,000 miles. 8 crd executive xs with 69000 on the clock,is it a cam belt or chain and how often does it need to be changed Thanks in advance Steve. I decided to escape the house - trying to get away from the noise being made by the folks working hard…. The biggest problem was the nylon coated sprocket getting worn out. 0-liter engine has a history of tensioner problems that can lead to a loose timing chain and catastrophic engine failure. I wonder if we will ever realize a true cost savings with the tdi? Between higher initial purchase price, timing belts, MAF replacements, it may be cheaper to buy a new gasser?. 8 L) Inspect evaporative control system. It is a great blend of luxury and sportiness. Mercedes Benz 560 Engine Timing Chain Guide Replacement if you do not replace them at their recommended service interval. I've got a 2003 GT with 184k miles on it (bought it new w/ 10 miles on it) and the only thing that has gone wrong on it the whole time was a driver side power door lock switch about two years ago, the clutch needed replaced last yearand now the timing chain. The average timing belt replacement cost for a smaller car can range from $300 – $500 while a larger SUV or minivan will cost on average $700. MB's oil change intervals. We offer high quality new, OEM, aftermarket and remanufactured Kia Forte Timing Chain parts. based on what I've seen there and each is. Tensioners and guides should also be replaced at that time. : - replace chain when displaying sign of wear?. Timing Chains (and why it matters) Do you know whether or not your vehicle has a timing belt or a timing chain? Do you care? While no one probably blames you if you don't know, but your Toyota's health depends on it. It is was serviced and maintained on a regular basis. Timing belt or chain: The K24 4-cylinder engine has a timing chain, but the 3. 0-liter engine has a history of tensioner problems that can lead to a loose timing chain and catastrophic engine failure. Intake Timing Marks LH Secondary Chain Exhaust Timing Marks Primary Chain Timing Marks LH Secondary Chain Intermediate Sprocket Timing Marks Do not remove Primary Lower Chain Guide or dismantle Oil Pump. Lubricate primary timing chain and guides with engine oil. We want you to enjoy your Nissan vehicle. Well it is timing belt for sure as 9 out of 10 dealers said it is a timing chain! But I was just thinking ok! timing chain doesn't have a set interval for a change right! but what checks can be done to avoid it from breaking??? My wee polo is a 1. He also told me the reason for the interval was not for the. Audi gave me no compensation for their poor engine construction. Key services are explained in detail, along with an outline of scheduled maintenance. (Applies to: 1. It can stretch or fail over time, and could require replacement to keep your engine running at its best. I have a 2012 Honda Accord with a timing CHAIN. Other answers are out of date. Inspect the timing chain tensioner. 5L Ecoboost isn't nearly as bad as you might think. 000, but he did not give me any official service records. And Volvo recommends replacement at 100,000. The factory service manual for my car doesn't provide a recommendation on when to replace the timing chain for the WRX but does provide a recommendation for the STI replacement. Spark plugs 6. My dealer is telling me that I still need to replace the water pump at 100k miles. Golf GTI Mk6 Timing belt replacement - timing and pricing I'm due for the 105k service on my 2010 Golf GTI MKVI and believe the timing belt needs to be replaced as it hasn't been done yet, problem is I'm getting mixed messages from mechanics, VW are telling me its needs to be changed, and the major service and belt change will run me $1400. Timing belts are more likely to fail than timing chains, but both should be inspected on a regular basis and for those engines employing a timing belt, regular replacement is essential. A proper pre-workout nutrition plan can take care of all of this. If your Honda was built after 1997, the replacement interval for your timing belt is typically around the 105. 2007 Nissan Xterra have done all maintenance at the recommend intervals - it should have lasted far longer than it has. So you just have to bite the bullet and decide. Timing chains do not last forever, and are much more expensive to change out than a belt. After we had removed the chain case cover, we were able to check if the timing was synchronised. 00 a bit high, but it's Goodyear brand, made here not in china. recommended intervals will ensure your vehicle is running at its best. I've been told that a normal timing belt should last approx 10 years or 60,000 miles and that a chain timing belt should last longer. 0L? Thinking of buying a VW Jetta and researching timing belt replacement? Blauparts helps answer your VW Jetta timing belt replacement interval questions. The interval could range anywheres from 60,000 - 120,000 miles. limited warranty coverage. I would suggest also replacing the guide on the tensioner side of the main timing chain. Hi all, I'd noticed a rattling noise coming from the top and so I've removed the Rocker cover and found that the timing chain is quite slack I'm guessing this is stretched. and what mileage for replacing timing chain?? thanks a lot. Rec replacing timing chains due to being stretched. This was ‘an advisory’ and they couldn’t expand much on whether they would recommend getting it fixed or not. I've haven't heard of this 90K replacement and will do a ring around of Japanese Mitsubishi work shops and find out. Change automatic transmission fluid, if equipped. It can only be. Tech had to pry sprocket off. Still great engines if maintained properly. 00 including the new GM timing chains and lower sprocket set. Good morning everyone. Measure the timing chain tensioner assembly from end to end. Also, you can try to find timing chain replacement coupon from some of the most popular auto service shops. The cheapest Lexus dealer charges 450 for the timign belt and 860 for both the water pump and timing belt plus a loaner car for the day. So my 2010 Traverse blew the original engine at about 35K miles and was replaced under warranty in about 2013. For a R171 200 SLK, what interval do you have to change:-water pump-tensioner-timing chain The previous owner told me that he had changed the timing belt at around 130. (Applies to: Severe, 1. Servicing is significant. If it is a quick rattle that goes away in a few seconds or less then yes it is almost certainly the chain tensioner. I've seen them last 70k with abuse. Audi Timing Belt Service Intervals. You dont have much to worry about in the chain. When Should You Replace the PCV Valve? By Rick Popely. Estimate does not include taxes and fees. Inspect the timing chain tensioner. 1 x Timing chain (Primary). steve ive just had a cam belt fitted to our motorhome and believe me they are absolutey vital they need changing every 6 years or every 72 thousand miles it cost me £400. Iv'e spent a while searching the internet and these forums today with no avail looking for information on the replacement intervals for cam belts/timing belts on my polo. Is the Limited Edition v6 of the 4runner a different engine from SR. If your engine has a rattle on startup, or your check engine light is on, it may have stretched timing chains. the car is a 140,000 miles. I just confirmed with the Honda service manager and the head mechanic that both the '01 and previous, as well as the '02 / '03 Odyssey engines ARE interference enginesmajor engine damage will occur if the timing belt breaks while the engines are running.