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2013 F150 eco boost noise


butchtakamine
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Do you hear the thump at idle in any gear or only when it is not in P or N?  Turbos should not be winding up at idle anyway.  I am inclined to think more driveshaft than turbo.  Have you gotten under the F150 while it is at idle to see what might be going on there?  Is it rhythmic or irregular?  Any signs of fluid leaks underneath?

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SHO: I only hear the knock when idling,not moving in park or drive. it's an irregular knock, when i take off i no longer hear it. I don't hear it all the time. engine temp doesn't seem to matter. No fluid leaks anywhere. The  dealership mechanic heard it, said it sounded like a motor mount. After putting it on the lift he found nothing wrong. Said it was probably normal for that engine ?? I can't find anything loose underneath. I've driven it in 4wd high and low and it's normal, quiet. It's very frustrating, Thanks 

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