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I guess I am screwed.. thanks for the help.

Yes I have and it is... like i said they did the TSB and cant fix it and now say it is normal.. so I just wait I guess

Amsoil SS is better oil than motocraft and its 5-20 so not worried about that but hesitant to use 5-30 although several people have told me it will be fine, but it seems no one here really knows either. My main concern is the chain rattle and if this is going to do any long term harm to my...

Yeah we tried that and it doesn't work.. this is why I am concerned as they issued a TSB to fix it and now say it is normal....

I have a 2019 f150 XLT with the 5.0 . I have the deceleration rattle from the cam phasers when the engine is cold. I run 5-20 Amsoil signature series oil and am concerned about long term durability of this engine. Do I have anything to worry about? My service tech and the dealership owner both...