Wiring Issues. Worn-out oil can damage the chain, guides and tensioner. And there is the difference. Eventually the timing chains may stretch to the point that they slip across gear teeth or otherwise are unable to correctly connect the crankshaft to the camshafts. Even so, timing chains do stretch with age and may cause noise, retarded valve timing and/or ignition timing. Timing chain wear is especially common on engines with extended oil changes . TAPPING AND RATTLING NOISE FROM THE TOP FRONT OF THE ENGINE WHEN FIRST STARTED, LASTING FOR APPROXIMATELY 3 SECONDS. As the pistons move up and down, the soot gets mixed into the motor oil. Tapping and rattling noise from the top front of the engine when first started, lasting for approximately 3 seconds. nice pouch and kit. One of the most common issues on the 2011-2016 3.5L is a phenomenon of stretching metal timing chains. The other method is the timing chain method which is normally found in standard cars and in high-performance vehicles. An example of a cam and crank pattern (Courtesy: aa1car.com) Variable valve timing (VVT) system components can cause cam/crank correlation problems as well. Timing chain stretch is definitely an issue with the 3.5L Ecoboost. Lift the cylinder head off of the block to remove it. The earlier 2.7 Ecoboosts had cam phaser and timing chain stretch problems, but it looks like ford fixed their 2.7 for the most part. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. I know from experience timing chains do stretch with age and cause timing problems. As the bushing holes wear and enlarge, the timing chains stretch. Here are the most common causes of P0019 in the Ford F150, and resources to help you diagnose the problem. This causes the engine’s timing to fall out of … Diagnosed with timing chain needs replacement both turbochargers need replaced. A timing chain is made of metal, similar to a bicycle chain. 20 February 2018. Ford will probably need to replace the chains, tensioners and phasers on that engine. He asked if they had put an updated chain in to replace the faulty model, and they told him its the same model that had originally stretched. The timing chain can start to stretch and wear over time, which will cause the engine's timing to be inaccurate and cause a few warning signs. We notice you're using an ad blocker. Truck is a 2012 F 150 with less than 89000 miles. However, the symptoms are almost the same as the 3rd gen Coyote timing chain tensioner issue, and the sound is exactly the same. The timing chain is an integral part of most engines – and one EcoBoost owners have particular trouble with. If the driver exceeds the recommended oil change time, the timing chain is normally the first to display signs of abuse. If driving an older vehicle, or one with close to 100,000 miles, it is recommended to look for symptoms of the timing chain going bad or failing. Timing chain is a three day, $5500 job. Appreciate it. Recently he has been experiencing a cold start miss for which he replaced a coil pack and an injector. The oil is under a lot of tension because the 3.5L EcoBoost is turbocharged. As time goes on, the timing chain will stretch; not like a rubber band, but by creating slack. There are two common chain designs used in today’s engines: the link chain and the roller chain. Remove the intake manifold, exhaust manifold, valve covers, and timing chain or belt. Timing Chain Wear . The F-150 Ecoboost has the same timing chain configuration although the water pump is different, with a higher flow rates I assume. This means that the chain skips a gear either on the camshaft or on the crankshaft. The second link defines timing chain "stretch" as well as what happens when the tensioner position changes (moves out to keep tension on the chain) to compensate for guide wear or chain stretch. While that seemed to help a … I mean that literally - the timing chains are stretching causing all sorts of problems. The truth of the matter is that the chain does not stretch, as elasticity is not a property of metal, but that each chain link developes wear. was covered under warranty. However, it is possible for the timing chain to stretch with time. 807 Likes, 3 Comments - UW-Milwaukee (@uwmilwaukee) on Instagram: “Happy #PantherPrideFriday Tag us in your photos to be featured on our page or in our Photos of…” If timing jumps too far out of line then it’s possible for the M272 to experience complete failure. $100 deductible on the extended warranty and it's taken care of. Timing Chain Damage. While timing chains can last for a long time, they do eventually wear out. What Causes a Timing Chain to Break. Timing belts (not so much timing chains) will stretch after miles of hard work, and tensioners will wear out over time, upsetting spark timing. Typically it's more prevalent in trucks that tow or are loaded heavily, but it happens to some extent in all of them. Get all of Hollywood.com's best Movies lists, news, and more. 5l ecoboost motor. The most noticeable wear often occurs between the pins and bushings that hold timing chains together. I forgot to mention that this engine is known for chain stretch, even with as little as 20K km on the clock. Might also depend on how well the engine has been taken care of. This letter is intended to make you aware that on some 2010 model year Chevrolet Equinox vehicles, equipped with a 2.4L engine, the chrome layer on the balance chain pins may wear, allowing the chain to stretch. Password requirements: 6 to 30 characters long; ASCII characters only (characters found on a standard US keyboard); must contain at least 4 different symbols; When new, the tensioner and guides work well to keep chain noise to a minimum. But if you don’t change your oil according to the carmakers schedule or use the wrong type or viscosity motor oil, timing chain problems can develop, such as timing chain stretch and even metal breakdown. The most common cause of timing chain stretch is lack of maintenance and regular oil changes. They were the only US company to use overhead cam V8 engine across the entire engine line and used timing chains on all of them. A timing belt typically needs to be replaced between 40,000 and 100,000 miles depending on the vehicle. Removing the timing cover and checking that the timing marks line up is one of the first things to do. The timing chain can start to stretch and wear over time, which will cause the engine's timing to be inaccurate and cause a few warning signs. This small amount of wear over several of the tiny chain links causes the chain to grow in length. A lot of ford transmissions from the 80’s and 90’s had a white plastic plug with an o-ring laying in the trans pan. The new test, developed by Ford, uses its 2.0L GTDI EcoBoost engine to evaluate the impact of oil quality on wear performance by measuring the length of the timing chain as a function of time. Sounds great, right? Remove the rocker arm shaft and bolts. PUTC was present for the teardown and inspection of a "torture tested" 3.5-liter EcoBoost twin turbo V-6 engine used in the latest F-150 at … Carbon buildup can be an issue, as can timing chain stretch, as well as fuel dilution (of the oil). as you know the tensioner is a 2 stage actuator, one part spring loaded and the other oil pressure activated.It is my contention that the chain skipped a cog before the tensioner had sufficient pressure from start up, to hold chain tight. Timing chain. Over a period of time, the timing chain can stretch, which can cause the chain to skip a gear on the cam or crankshaft. Have to drop the engine and tear it apart to get at the chain. Failure of plastic guide rails: This relates specifically to the V8 gas engines but can also apply to other engines. The truck has a total of 110,000 miles. The oil change interval can be up to one year or a maximum of 10,000 miles. Now, the 3.5 Ecoboost on the other hand… The earlier 3.5 Ecoboosts had a very long timing chain, actually there was one single chain that went around the crankshaft, water pump, and both cylinder banks. Timing Chain, 2.0L EcoBoost Replacing the timing chain anytime you rebuild the engine or change camshafts is a good idea. The roller-finger follower valvetrain and light hollow camshafts of the cylinder heads helped reduce friction. very well constructed. I did not know the 1.5 had a BIO timing belt so I think an extended replacement interval is not unrealistic. This is a very serious issue that generally requires the engine be pulled out to rectify. Forums > Ford Ecoboost > Ford F150, Raptor and Tremor Ecoboost > Issues, Repairs, TSBs, Warranty and Recalls > TSB 14-0194 Primary Timing Chain Wear 2011-2014 Ford F150 Ecoboost … The 5.4 tensioner gaskets **** out and fail to tension the chain adequately. Click to see our best Video content. But Ford still worked on improving the EcoBoost. Re: Ecoboost timing chain replacement. Both have known chain problems at the end of the day yes just different causes. It’ll either be a wiring issue, or it’ll be a physical problem (bad reluctor or timing chain jumped). Tapping and rattling noise from the top front of the engine when first started, lasting for approximately 3 seconds. The balance shaft sprocket on early engines was made with weak materials. However, poor maintenance and oil contamination can cause the chain to stretch and wear out faster. Belt drives offer infinite adjustability for accurate cam timing, plus the belt absorbs crankshaft harmonics and vibration. We call this problem retarding the camshaft timing. Replacing the timing chain and cleaning the intake valves are both labor-intensive processes. This could impact fuel economy and overall engine performance. Further, the article specifically mentions a few Ford engines which suffer from timing chain problems (e.g. the modular 4.6, 5.0 and 5.4 engines). One major take away is that these adjustments can cause the camshafts to move slightly out of optimal timing position as the chain elongates. Needs a few other things, valve cover gasket drivers side leaking a bit and the serpentine belt cracking. Still no official word design improvements to solve the Ecoboost timing chain stretch. 2012 F150 5.0L help. Not using the recommended oil will also make the problem far worse. Pretty soon, your 43-inch chain will turn into a 43.1-inch+ chain, and though the tensioner can pick up some of this slack, it is finite. Unfortunately, this means that the engine’s oil has to work overtime, which can wear out the timing chain and cause it to stretch. But, when customers service these vehicles correctly, the damages shouldn’t be catastrophic. This play causes the crankshaft and camshaft timing to be off enough to cause this engine code. This is the noise my 2011 F-150 Ecoboost engine makes on cold starts. very costly repair, with estimated 13 hours labor. Both timing belts and timing chains may stretch over time and/or have a failed tensioner. Removing the timing cover and checking that the timing marks line up is one of the first things to do. Due to the 3.5L EcoBoost being turbocharged, the oil in the engine endures lots of stress. This truck has 55000 miles on it and in no way should be having timing chain issues this soon. We mentioned before, that the water pump on the 3.5 is internal/driven by the timing chain. Stretching, in turn, causes other problems. The increased thickness of side plates on the timing chains made the chains more durable and less prone to stretch. But in a pickup they way I use a truck , no way in hell. ODOMOTER ~86K … 3.5L Ecoboost Timing Chain Replacement Last Modified : Mar 30, 2021. Although I am … The most common cause of this phenomenon is actually lack of maintenance and regular oil changes using a quality oil. The timing chain was stretched and the end result is a bad engine. These vehicles are equipped with the Ford Intelligent Oil-Life Monitor (IOLM). An engine with retarded camshaft timing has lower performance and poor fuel economy. With less friction, the compression ratio of the second generation 3.5L EcoBoost was increased from 10.0:1 to 10.5:1. We get it. Was always found during the first trans service. timing chain / timing chain tensioner defect in 2012-2014 ecoboost engine. I wonder how … Might have just been a protection cap that was designed to pop out during assembly. A new class action lawsuit asserts that the 10-speed 10R80 automatic transmission equipped in Ford F-150 models can cause “life-threatening” issues due to “harsh shifting, jerking, hesitation and slipped gears.” The lawsuit includes a number of 2017 to … Seems to be limited to 2010-2013 models and the various bits have underwent many revisions. The early Ecoboost 3.5's can stretch the chains. I have seen lack of oil changes cause them to stretch beyond useful life within 80,000 miles. Yes, especially on their V8, V10s and later on the 3.5 V6 series all the way down to their 2.7 V6. Excessive timing chain stretch on 2011 Ford F-150 XLT with 3.5L ecoboost motor. These engines come buried inside the F150, Explorer, and Taurus have been experiencing little growing pains. It's spreading like the plague. Oil has always been changed within recommended intervals.this is a known problems for this motor, Ford issued a tsb on timing chain stretch. IIRC it's only them that have the issues and even then only certain ones. If the driver pushes it past the recommended oil change interval, the first item to show the abuse is usually the timing chain. On lincoln MKX had to use layered duct tape to shim tool at cam shaft holding flats. Check engine light came on and the shop says its throwing codes about timing being off. If nothing is found check the crankshaft reluctor as the are know to move as well. Oil that has worn out will cause damage to the chain… This would cause an engine noise, and if left untreated, could cause the chain to break and leading to engine damage. it "could" cause the cam timing and chains to be off some. The thought of chain stretch on an overhead cam engine is somewhat disturbing considering the length of it. The second link defines timing chain "stretch" as well as what happens when the tensioner position changes (moves out to keep tension on the chain) to compensate for guide wear or chain stretch. I was also hoping Ford would do something about the DI … SOURCE: the timing belt on a ford focus 1.6cc on a 2004 In the Timing Belt and Serpentine Belt calagogue dont have 1.6L, only for 2.0L and 2.4L; maybe this can help you. Reaction score. vehicle's timing chain loses tension and needs to be replaced at low mileage. P0019 Causes and Solutions: Ford F150. Turbocharged trucks like the Ford 3.5L EcoBoost place a great deal of stress on the oil causing it to wear out faster. EXCESSIVE TIMING CHAIN STRETCH ON 2011 FORD F-150 XLT WITH 3.5L ECOBOOST MOTOR. Portail des communes de France : nos coups de coeur sur les routes de France. The computer generates a trouble code, the engine goes into limp-in mode and/or the engine stops running. Issues with the chain are common in higher mileage vehicles. Your vehicle’s timing chain should last anywhere between 80,000 to 100,000 miles. Chain stretch is not good because it creates slop, noise and retards valve timing and ignition timing. Check around online for improved timing chain.-Ben 1.6 Ecoboost "Lifetime" Timing Belt. Timing belts are not usually lubricated by engine oil (except for on some European makes), but timing chains always are. As the pistons move up and down, the soot gets mixed into the motor oil. It is sensitive to the oil condition. 2009 - 2014 Ford F150 - My EcoBoost Timing Chain Experience - Hey all I ended up with a 12 EB when I bought used because I could not find an 8 in the config I wanted. An example of a cam and crank pattern (Courtesy: aa1car.com) Variable valve timing (VVT) system components can cause cam/crank correlation problems as well. Vehicle well maintained and … This means that the chain skips a gear either on the camshaft or on the crankshaft. The fact that timing chains stretch is still a drawback. The truck is in excellent shape, is well maintained, and driven normally. I just saw a Youtube on stretched cam chains causing a simillar code / timing issues on the Ecoboost engines, so I know it does happen, and it doesn't take much chain stretch to cause problems. I suspect the chain skipped a cog on one of the cams. Common symptoms of a bad timing chain include rattling engine noises, Check Engine Light is illuminated, and metal shavings in the oil pan. 148 talking about this. Ford Explorer Timing Chain Kit Customer Reviews. The engine’s timing will be out of calibration and you hear the classic misfire sound. Very good question. Timing Chain Wear: Since the 3.5L EcoBoost is turbocharged, the oil is under extreme stress. As the chain runs around the gears of the camshafts and crankshaft, the movement between the rollers and links causes wear and elongation. The most common cause of timing chain stretch is lack of maintenance and regular oil changes. Take A Sneak Peak At The Movies Coming Out This Week (8/12) 5 New Movie Trailers We’re Excited About The chain tensioners can run out of travel as the chain stretches and start throwing intermittent codes. Timing chain noise can also be caused by other problems as well. But “a little soot” is turning into a big problem for some drivers in the form of timing chain stretch. The TSB is here and even with that, it was the tensioner and not the chain. If you do not use tape. Lack of Service: Given good oil change intervals, timing chains can last from 120,000 to 200,000 miles before requiring replacement. The timing chain method is more common with consumer vehicles and high-performance engines. Use a ratchet extension, socket, and breaker bar to loosen the bolts, which will be tight. Engine won’t start: If the timing chain breaks, the engine won’t have compression and won’t start. The timing chains will stretch, which starts as a rattle at start-up, then progresses until they don't run, or in a worst case scenario they jump a tooth and can cause the valves to come in contact with the pistons. Faulty timing belt or chain: If your tests seem inconclusive, especially if the problem has triggered a CMP sensor related trouble code, you may want to check your timing belt or chain. 2018 3.5L Ecoboost, I guess timing chain stretch at 65,000 miles is not terribly uncommon? Friend at work just had his timing chain replaced on his f150 ecoboost.
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