Is the 2006 model a non-interference or interference engine? I hope someone in your team have worked with this car. There is no warning for this on the dashboard but sometimes you can hear a slight high pitched whirring sound if it is about to go out. When timing belt or timing chain snaps occur and the cam stops as a result, the engine remains intact, hence you only need to change the timing chain or belt. The level of damage caused by a broken timing belt can depend on the type of engine you have in your car. The only guide is your mileage since the last time it was changed. In general, your car may have a timing belt if it is an old model or a timing chain if it is a new model. If your timing belt needs to be changed, don't let it go for too long or you may end up paying dearly for it. Under the wrong conditions, any engine that jumps timing may be damaged. If that happens, your valves may not open at the exact right time, the air and fuel mixture may not the ignited at the exact right time, and you can suffer misfires, loss of performance, and other serious issues. In a non-interference engine, a timing belt break will simply stop the engine. The 2.0ltr in both single and double-overhead-cam configurations are interference engines. In a non-interference engine, the pistons don't rise to the level of the valves in the cylinder. There have been complaints of the EPS light going on suddenly or the power steering failing in Civics and Accords. Get the vehicle recovered to a repair shop, fit a new belt and you’re good to go. Since the Model T days, engineers have known that higher compression is one thing that can build power and enhance performance. A very large valve gap points to a bent valve. … According to what I see, Honda’s 3 and 3.2 L engines are non- interference; and the rest are interference. But with some knowledge, you can often keep your Capri going. Because it is driven by crankshaft and operating camshaft. If that happens, your valves may not open at the exact right time, the air and fuel mixture may not the ignited at the exact right time, and you can suffer misfires, loss of performance, and other serious issues. So what dors that mean? I have a 2004 Holden equipe sedan and the timing belt has snapped try to replace or is my car a write off? That was not the end of it. There's also potential for a cylinder head and camshaft damage as well, and you could end up the damage to the cylinder walls, the Pistons, and more. Car started up with no problems. How to do a timing belt replacement for the Toyota V6 Camry, Avalon, Solara, Sienna, HIghlander, Lexus ES300 and Lexus RX300. You'll be able to see oil on the driveway in front of where the engine sits when this happens, and you may also be able to see it inside the engine. 18 Votes. Since the crankshaft spins four times in each combustion cycle, the camshaft will turn at half the speed of the crank. This was because of seat belts and liability. That's why it's crucial to change the timing belt at the recommended interval, before it gets anywhere near the point of breaking. I have only 37,000 miles on my 04 but am asking now in case I decide to … Ok, maybe I do have a non interference engine but, If I'm sitting stationary in the fast lane of a busy motorway during rush hour because I didn't change my belt and it broke, the fact it hasn't stuffed the pistons into the valves is going to be of minor interest at that moment! If a timing belt or chain breaks in an interference engine, mechanics check for bent valves by performing a leak-down test of each cylinder or by checking the valve gaps. The 3MZ-FE is a rare example of a Toyota interference engine that utilizes a timing belt. I have a 2012 bmw and timing belt broke while driving. If the timing belt broke, your engine stopped as the pistons hit the valves. The service company did not check it and am aghast by their slackness and irresponsible behavior on this aspect. The mechanic fixed the timing belt but now my car is losing power and barely wants to go pass 60mph with gas petal pushed all the way to the floor can you tell me what may also happened. It will not bent valves, when timing disruption occur. Non-interference engine: In a non-interference (aka free-wheeling) engine, if a timing belt or chain breaks or skips, the gap between the pistons and valves prevents further damage. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters. Timing belts must be replaced at the manufacturer's recommended distance and/or time periods. it all depends all audi and vw engines are interference engines which means you lose a timing belt it often breaks and bends parts that become costly. When something starts making a new sound, then you can look into the source of it so you can figure out what's up and do something about it. If the camshaft of your vehicle suffered some damage as a result of your timing belt failing, then you can expect a repair bill that's going to be around $1,500 to $3,000 to get it replaced. When do you need to replace it? The most common thing that's going to happen if your timing belt fails while you're driving is that the valves are going to get bent. All Rights Reserved. Upon arrival, the driver told us that he could only take two of the four passengers! In an interference type engine if the timing belt breaks the valves will "interfere" with the pistons as they travel up if the timing belt breaks, which results in generally catastrophic engine failure.. non-interference engines generally suffer little or no engine damage with a broken timing belt.. Having the emergency light flashers on did not seem to improve the situation. Look no further! While there are a number of ways that your timing belt can fail, if your timing belt breaks while you're driving your car it could be extremely dangerous and destructive for you depending on exactly what transpires. For that reason, you never want to ignore the warning signs that something is going wrong with your timing belt. Failure to replace the belt can result in complete breakdown or catastrophic engine failure, especially in interference engines. The camshaft keeps moving when the timing belt breaks in interference engine even though the crankshaft is no longer aligned with it. Thinking about a few extra things every car should have in a tune up? Unfortunately, you can't always account for everything and sometimes even when a timing belt is still well within its projected lifespan it may fail in that can cause serious problems for your engine. The engine is slowing down to a stop and the camshaft stops rotating, but the pistons are still moving up and down within the cylinders. I read somewhere that while these are "interference" engines, damage is not always likely. 2. On the other hand, interference engines have a short space between the pistons and valves and when the cam stops, the valve surely will break … If the pistons are damaged in your engine, you're also looking at a fairly steep repair bill to fix it. It pays to know. So, if you have an interference engine and the timing belt fails, the camshaft is not turning, and the valves will not open. If the damage is more serious, we are talking about a rebuilt engine: around $3400 minus labor. In a non-interference engine, the pistons don't go into the open valve and this difference is absolutely key to what happens when a timing belt fails. PCM Relay – What is the Function of This Part? With a broken belt on a non interference engine you simply remove all of the spark plugs and turn the crank snout bolt clockwise using a breaker bar with socket until Cyl #1 is at TDC using a long screw driver or small wood dowel in the #1 plug hole to determine the #1 piston is at the top of stroke position at crank TDC mark. i read somewhere that the mx5 engine will not be damaged if the timing belt breaks!!! Failure to replace the belt can result in complete breakdown or catastrophic engine failure, especially in interference engines. Where can I find it? As we said, the timing belt synchronizes the camshaft with the crankshaft. Then comes the bad news, they tell me that my timing belt broke and that due to the fact that my car has an interference engine, when the timing belt went, the valves crashed with the pistons and I now need a new engine. Under the wrong conditions, any engine that jumps timing may be damaged. I own a '92 Jetta GL, 4 cylinders, 1.8 liter. The timing belt is critical for all the internal parts to be in sync. Troubleshoot your belt with the help of this guide and fix it. Learn how to replace a timing belt and water pump on an Accord/Acura CL F23 2.3L I4 engine (w/ video). Fuel pumps also go out with no warning or noise! RecruitmentTips from Melbourne on March 24, 2012: Your very lucky they didn't have to rebuild your engine. This can cause spark to happen at the wrong time, or not at all. Consider: There are interference and non-interference engines. MAP Sensor Cost – What Should I Expect To Pay? In an interference, if the timing belt breaks, and valves are down by some measure, when the piston rises to the top of the bore, it will contact valves. Whatever car make you have, you should have a mechanic look to see if there is engine damage to the valves etc. I wish they would create a belt sensor to light up if the belt is worn thin. Many engines are 'interference' engines meaning if the timing belt breaks the pistons and valves can 'interfere' and hit each other causing permanent damage requiring an engine tear down and parts replacement and possible machine shop work. I broke a timing belt on my 1990 Toyota Supra going 70mph, but it was a non-interference engine and after having the belt replaced it was fine.. here is a good list someone put together on what type of engine is in your car.. you should find the engine type either marked on the engine or on a label under the hood, or the owners manual.. good luck. From 1981 to 1983 the Lynx had a 1.6L LN7 interference engine. However, if you neglect this major service, you risk being stranded due to a belt break. Compression ratio relates to the volume of the combustion chamber. While it looks like a very simple piece of technology, and really it is, the job it does is integral to the operation of your entire car. I've replaced the timing belt last year around September then suddenly by friday while i was driving my car decided to stop without warning when they diagnose it they said that it timing belt so is it possible that it can be serious damage Golf5 gti, You would need to search for this using non-inference engines in kia in the search field of google. Destroyed engine. 1/2" Breaker Bar. This can manifest as serious engine misfires. . Not so with a non-interference engine. I didn't take it to a specialty shop, but I told them what I was told (from this forum) that the 1UZ-FE was a non-interference motor.