Alternative composite pan drain plug question

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AutoXRacer

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Gen 3 is an aluminum pan with a conventional drain plug. It has been that was since mid-year 2018 Gen 2s.
Thank you!!!

Why did Ford revert back to aluminum pans / traditional drain plugs vs composite?
Were there failures?
 

FordTechOne

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Thank you!!!

Why did Ford revert back to aluminum pans / traditional drain plugs vs composite?
Were there failures?
No failure of the pans, the composite material is actually very strong. The issue is the inherent difficulty of sealing a composite pan to an aluminum block. It requires a special procedure be followed, which includes special cleaners and prep chemicals. It’s time consuming and tedious, which is of course counter productive to mass production.
 
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