rattles upon start
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rattles upon start
I have a 07 f250 super duty with 171,300 miles When I start it there is a lot of valve rattle.It is a gasoline engine. as soon as oil pressure is up (10-15) seconds it runs as quiet and smooth as a new one. Any Answers ?
RANDY
RANDY
Last edited by randy stringham; Jun 9, 2014 at 05:08 PM. Reason: Left out fuel usage.
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Joined: Jun 2014
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From: South Jersey
My 04 did the same thing. I have 180K on it. I couldn't tell you when I first started noticing it. Always wrote it off as valve chatter or the lifters before they built up oil pressure.
Turns out it was the timing chain tensioners. One tensioner failed causing the chain to come lose and destroy the guides and cover. It was a miracle it didn't jump off the cam gear.
If you haven't already, I strongly advise having them replaced.
Turns out it was the timing chain tensioners. One tensioner failed causing the chain to come lose and destroy the guides and cover. It was a miracle it didn't jump off the cam gear.
If you haven't already, I strongly advise having them replaced.
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NEO_Mark
1999 - 2016 Super Duty
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Jul 24, 2016 12:41 PM
