That said, here is the highly recommended video all Ford EcoBoost owners should watch:Ģ017-2020 Ford F-150 3.5L EcoBoost Startup Rattle Fix: Make Sure You Are Getting The Latest Phasers!įor additional related articles about EcoBoost engines, here are a few for your consideration: In case you want to get right to the parts to request, here are the part numbers for the newer improved phasers: Here’s the video posted below showing the differences between the new old stock part and the newer improved stock part that you will want to make sure that your mechanic is using on repairing your vehicle. The repair warning is about how that reportedly, repairs are being done with the new old stock failing part (because Ford has so many of them) rather than using the newer improved part that should last the lifetime of the vehicle-no jokes here please about “lifetime of the vehicle”-thank you. While not appearing to cause the camshaft to shift while turning by hand, the phasor does flop around and is the source of a rattling noise coming from the owner’s engine. In a recent repair warning from the FordTechMakuloco YouTube channel, the host demonstrates the problem with the Ford EcoBoost engine by showing one with one of its phasors falling apart. Related article: Timing Chain and Timing Belt Problems and Repair Demonstrated by Mechanics This result of the valve timing no longer being able to advance or retard with the change in speed to keep everything in sync as you are driving at the very least manifests as a rough engine running experience for the driver, and at the worst as severe engine damage. This alignment of the camshaft with the crankshaft is very important because this is what regulates the timing and duration of the opening and closing of the valve system.Ī properly working cam phaser positions and synchronizes your vehicle's intake and exhaust valves to ensure that the valves are opening and closing at exactly the right moment during each stroke of an engine’s 4-stroke cycle while the engine is either speeding up or slowing down. The failing part(s), rather than lock the camshafts in position, are actually loose and causing one or both cams free to potentially shift around.Ĭam phasers are an integral part of the EcoBoost engine that has the job of adjusting the position of the camshaft in relation to the crankshaft. Have you ever experienced a strange sounding rattle coming from your Ford’s engine during start up after it has set for a few hours or more? That sound could be coming from a common problem in both 1st and 2nd generation Ford EcoBoost engines where the phasors are coming apart.
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