Ford has been producing the Ford F-150 for decades. Even though the timing chain itself will probably outlast the rest of your truck, the guides and tensioners are less reliable. F150 Help Zone Problems, Complaints & Solutions. ... A forum community dedicated to Ford F150 owners and enthusiasts. The problem of broken guides on the timing-chain. Timing Chain Problems in the 3.5 EcoBoost Engine If a driver doesn't maintain scheduled maintenance with their Ford, in particular regular oil changes, then the timing chain is going to be susceptible to some excessive wear and tear. The timing chain is kept tight by force from the hydraulic tensioners. Because the timing chains are so long, they are supported by plastic guides. ... it up cold it sound like a diesel untill it gets warmed up than it sounds normal i have been told that it could be the timing chain or the cma phaser. Ford F-150/F-250: How to Replace Your Timing Chain. problem # 15. I know early on it was an issue on the 3.5L Ecoboost, but I don't see many posts about the timing chains anymore. Worn-out oil can damage the chain, guides and tensioner. If the driver pushes it past the recommended oil change interval, the first item to show the abuse is usually the timing chain. In extreme cases, the chain can break and the engine won't run at all. The Ford 3.5 Ecoboost engine uses a turbocharger with an internal wastegate. If you don’t maintain your 3.5 turbo engine, the timing chain stretch and sludge buildup can cost you several thousand dollars for the timing chain, tensioner, and camshaft replacement. However, even the F-150’s durable engine is not immune to wear and tear. Average repair cost is $7,500 at 93,000 miles. Ford 3.5 Ecoboost engine problems — Turbo Wastegate Noise and failure. Timing Chain Wear: Since the 3.5L EcoBoost is turbocharged, the oil is under extreme stress. Over time, an engine’s timing chain stretches, causing the engine to run poorly. ... We plan on taking the vehicle back to the dealership but would like for Ford to assess this problem as it seems to be beyond the dealership's capabilities to fix the issue. Even with the twin turbo engine having an impressive three timing chains, three chain tensioners, four chain guides, four camshafts, and 24 front cover bolts - at least the front cover area is rather open and easily accessible on the F150. A Ford F 150 Timing Chain Tensioner Replacement costs between $964 and $1,204 on average. I have a 2016 (Gen 1) Ecoboost and the truck is flawless. The links move on the toothed sprockets which are located on the ends of the crankshaft and camshaft and are responsible for opening and closing valves in the cylinder head and moving pistons and connecting rods in the combustion chamber. Sounds like timing chain rattle or phasers. The 2013 Ford F-150 has 3 problems reported for grinding noise from timing chain on start up. - Are the timing chains still an issue? The first symptom is usually a rattle on the start up. The timing chain is comprised of a series of links in the chain – similar to those found on a bicycle chain. 2015 - 2020 Ford F150 - Are timing chains still an issue? The bad news is that labor at a shop isn't. - Clayton, NC, USA. Learn how to do it yourself and save a lot of money in the process. Changing the timing chain on a 3.5L Ecoboost isn't nearly as bad as you might think. The good news is that those parts are inexpensive. 6TH Generation F150 - 2004 to 2008 F150 Trucks. Add Complaint. Get a free detailed estimate for a repair in your area. The contact owns a 2019 Ford F-150. We see many Ford modular engines with broken timing chain guides. Itself will probably outlast the rest of your truck, the chain can break and the truck is flawless are... 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