Calidad
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Like most issues today it’s probably a parts maker that changed the material being used in the part. All auto makers seem to be having issues with parts makers changing materials used in internal parts as a result you’ll get a batch of cars that are fine and the next week you’ll get a batch of cars with issues.Regarding the cam phasers issue:
- I think you all need to address it If it happens. The loud rattle means metal parts are hitting each other - which is never good for an engine. This could produce shavings that lead to further damage. I am not an expert though!
- Ford most probably went with a plastic pin to reduce the wear on the Cam phaser gear due to the pin striking the phaser body when it locks. This wear causes very similar rattle on start up on Hondas and Toyotas — but at considerably high mileage.
- I like the expedition and the Ecoboost lineup. I support Ford for being forward thinking and on par with German manufacturers in terms of engine and transmission technology. I am just wondering how come that the phaser Pin failure didn’t show up during engine Development and testing ?!