Broken timing cover V-10?? Help!
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Broken timing cover V-10?? Help!
Hey everybody. I just bought a 200o Excursion, V-10. Bought it cheap, not running. The timing cover is broke just below the drivers side valve cover, around the cam sensor. As a matter of fact, the piece of timing cover is hanging there by the cam sensor wiring. The internal side of the cam sensor is broken also. The timing chain is intact. I have felt up in the hole, and the cam gear is there. I won't have the truck home until Friday, but just wondered if anybody had ran in to anything like this before. Oil is clean and full, no metal or coolant. I love the truck and hope for a reasonable repair. Any help is appreciated!
More Turbo
Joined: Feb 2004
Posts: 705
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Not on a V-10 but if it were mine, I'd be curious about what caused the failure. It would be a lot of work to change the front cover only to have it break again. Look carefully before you button it back up...and let us know what you find!!
Lou Manglass
Lou Manglass
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Well, just an update here. I got the truck home today. I pulled the valve cover and found the bolt that holds the cam gear in place was actually broken off in the cam. I was able to remove the broken bolt, and replaced it with a new bolt and washer from Ford. I decided at this point to roll the engine over before going any further to see how it sounded. Not good. It turned over hard, then procedded to shear the bolt off again. The camshaft appears to be froze up. Engine turned over fine as soon as the bolt broke. I am at a loss on this one. Now I am having thoughts of piston/valve damage. Any thoughts other than a For Sale sign?
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Valve cover is off, and everything appears to be intact. Balance shaft can be rocked back and forth slightly, but cam wont budge. Keyway in end of cam is sheared off. Appears that the cam froze up for some reason and broke the bolt and keyway. I am going to tear a little further into it this morning. Will keep everybody posted as to what I find. Kinda blind, because I bought this thing from a tow yard, so I have no history whatsoever.
Fleet Owner
Joined: Dec 2006
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From: Lost in Pa.
I have never needed to tear into one of these mod motor yet, and I have two a 5.4 and 6.8 and just sold my 97 Expy with the 5.4 and it had 192K when I sold it to buy the 05 Ex, so your further than I've been and would be interested in what you find.
Tuned
Joined: Feb 2006
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From: ind. (kc)
hi ,pull the head. or find a good used motor. take pics of what you find in thev10 we want to see!!!!
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Mountain Pass
Joined: Apr 2008
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From: Deforest
I agree. By the time your done tearing it apart and fixing it, you would probably be farther ahead, to get a low mileage used engine. Take the junk engine out put a good one in and be done with it. Thats what I would do anyway.
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Well, the camshaft is frozen. The fourth cam cap is actually stuck to the camshaft, and the third one is heavily scored, like it was near freezing up as well. I'm guessing lack of oil, wrong type of oil, or irregular oil changes maybe sludged up the oil passages. I haven't figured out yet how I am going to move forward yet. Possibly a head replacement. I really don't have the money for an engine right now. I did find a deal on one with 80k miles for $1500, which I thought was pretty fair.
