Odd Engine Sound

[rcallison]

So my 2007 with 95k is making an odd engine sound. Any ideas?

2007 Expedition Engine Noise - YouTube

 

[catmandu]

Mine does too, on startup, but then goes away.

 

[FordandPolaris]

Sounds a lot like the cam phasers...

Ford Modular 3V Cam Phaser Noise Fixed w/ Livernois Lockouts - YouTube

 

[spotdog14]

Mine does too, on startup, but then goes away.

Pretty much every 5.4 I have heard sounds like that including mine.

 

[1997SCEBFEX]

Welcome aboard.

I hear:
Exhaust leak,
Belt/bearing squeal,
perhaps some valve slap.

When was your last oil change? Does it have the proper amount in it?
Any major service recently? How cold is it where you are? Was the engine at normal operating temp &/or does it subside any at all?
Any loss of performance?

Thanks,
PanHandler.

 

[rcallison]

Last oil change was a couple of months ago. I checked before I posted and the level looked in the middle of the range. Nothing major recently. I did change the spark plugs about 6 months ago. It was mid 50s when I shot the vid. Engine was at normal temps. I don't think it subsides as it warms. I'll have to listen closer next time I'm driving to the start and end sound.

No loss of performance I can tell.

 

[metaldrgn]

That sounds like rod knock to me. Could be something else. Hard to tell from just a video. My 03 sounded similar (worse, but it was induced by the previous owner). You can hear it well from underneath. Did it just start out of nowhere one day or has it gradually gotten worse? There are a few options to fix it if it isn't under warranty.

 

[Mangina]

My guess would be an exhaust leak.

A common issue with my old Jeep was a cracked exhaust manifold. It sounded just like that, a faint ticking.

 

[metaldrgn]

The trick I've used before to figure out what cylinder it is is disconnect each cylinder fuel injector or spark plug one at a time and see which one is causing it. Before that try to figure out what side it's on to make it easier. Use at your own risk though.

 

[caylerman]

Do a search on cam solenoids. Fairly easy to replace and reasonably priced.