Q: I have a 2005 f150 that starts rattling after it driving it for about 4 miles it goes away when i change the oil to a thicker one
2005 f150 5.4L 3v ..timing belt was changed..new spark plugs..new coils..however after driving it around it starts to knock but sounds more like a rattle..it goes away after an oil change and was told the thicker the better to make it go away..truck runs alot better when not rattling/knocking??what causes this and is it fixable?
My car has 198000 miles.
My car has an automatic transmission.
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