This fleet truck has had a top engine topping for about 2 months. At idle it sounded like a diesel running. First tech pulled valve covers off and didn’t see anything. Driver was told noise was in lower end of engine and to keep driving it. Next oil change, truck was giving to me to diagnose. And this is what I found.
Негізгі бет Ойын-сауық 2018 F150 5.0 Tapping noise from top of engine
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