2004 f350 internal engine damage! - Ford Powerstroke Diesel Forum
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Old 04-13-2013, 08:19 AM
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2004 f350 internal engine damage!

I have my 04 in at the dealer right know as we speak for erratic idle and blowing blue/white smoke.. I thought it was injector, but tech diagnose low compression on number 4 cylinder and advised for the head to be pulled for further view.. Head was pulled and found piston contacted intake valve and bent the valve. The valve face and seat as score marks but no debris left, cylinder walls look fine . Tech thinks foreign object held valve open.. The turbo has no marks at all so it as to be from after the turbo.. Intake manifold was taken off year and a half ago for egr delete and oil cooler replaced.. Has never been off since.. Doubt any debris would hang around for that long then year and a half later cause issues.. Cylinder walls are fine so prolly not a broken piston ring... Injector tip looks fine, glow plug looks fine... Any ideas? My truck has the ford esp powertrain warranty btw.. Ford better cover it! I need some input.. Thanks guys


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Old 04-13-2013, 04:29 PM
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Anybody?


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Old 04-13-2013, 04:48 PM
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I don't know what you're looking for, you have a bent valve. The question is what caused the problem. Without a part or a crystal ball, any guess is a good guess. It could have even been a piece of carbon goo from the intake that broke loose, or perhaps you have a bad bearing that is letting the piston move to far up the cylinder.
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Old 04-13-2013, 05:01 PM
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I am just trying to gather ideas on how it happened.. Ford is sending an inspector out.. I really hope this is covered under my warranty.. If they can't figure out the cause does anybody know if ford will still cover it under warranty? The carbon theory is possible..


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Old 04-14-2013, 09:51 PM
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Have the same issue but cyl 6...what did the dealer give you as an option?
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Old 04-15-2013, 09:03 PM
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You understand that due to the egr being AWOL, you probably will not be covered. Big no no if a warranty is still active.

That out of the way, a rocker could be slightly bent, bad bearing, or a piece of metal broke loose from the intercooler and found the valve. The carbon thing, I would highly doubt, it would almost have to be a diamond to really do much.
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Old 04-15-2013, 09:19 PM
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Quote:
Originally Posted by kdogg85 View Post
You understand that due to the egr being AWOL, you probably will not be covered. Big no no if a warranty is still active.

That out of the way, a rocker could be slightly bent, bad bearing, or a piece of metal broke loose from the intercooler and found the valve. The carbon thing, I would highly doubt, it would almost have to be a diamond to really do much.
I was about to say the same thing no EGR = no WARRANTY but I could be wrong??


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