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can timing chain / tensioner wear noise be intermittent?
Posted to Technical Discussion Forum on 5/9/2026 1 Reply

This 5.4 has an intermittent tinny rattle from the front of the engine. The noise is loudest at the right side belt idler pulley mounting bolt. I originally thought it was the pulley, so replaced it and the noise was gone for about 4 engine starts, then it ret... Login to read more.

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car Vehicle Data

2004 Ford Excursion XLT 5.4L

Engine5.4 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2004 Ford Excursion XLT 5.4L

Engine5.4 L
Trans4-speed Automatic (Electronic)