New Camshaft
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New Camshaft
Hi All
My 2008 F350 with 111000 miles chewed up a couple lobes on the cam on the #2 cylinder. It was finally diagnosed yesterday at the dealer. Now they are battling with my extended warranty company. When they gave me the bad news last night they said it would need a new cam and the two lifters. Now I have rebuilt a few 428 CJ Fords when I was younger and it was always my understanding that you never replace a cam and reuse the old lifters. This has bad idea written all over it. Am I correct. Are the lifters in the 6.4 roller lifters. Also being that it is torn down this far would it be a good idea to replace the pushrods and the rocker arm assemblies. This will add about another $1200.00 bucks to the repair bill. Also should I be concerned about residual metal in the oil-pan getting into the oil flow when this thing is back up and running. Anybody have any thoughts on this would be greatly appreciated. Oh yeah, one last thing will this show on a carfax report now?
My 2008 F350 with 111000 miles chewed up a couple lobes on the cam on the #2 cylinder. It was finally diagnosed yesterday at the dealer. Now they are battling with my extended warranty company. When they gave me the bad news last night they said it would need a new cam and the two lifters. Now I have rebuilt a few 428 CJ Fords when I was younger and it was always my understanding that you never replace a cam and reuse the old lifters. This has bad idea written all over it. Am I correct. Are the lifters in the 6.4 roller lifters. Also being that it is torn down this far would it be a good idea to replace the pushrods and the rocker arm assemblies. This will add about another $1200.00 bucks to the repair bill. Also should I be concerned about residual metal in the oil-pan getting into the oil flow when this thing is back up and running. Anybody have any thoughts on this would be greatly appreciated. Oh yeah, one last thing will this show on a carfax report now?
Lead Driver
Joined: Sep 2006
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From: Cartersville, Ga
If it is work done at the dealer, it will show up on an oasis report (technically Ford's internal Carfax.) I would have to assume it would show up on a Carfax also. Definitely would replace lifters. If you plan on keeping it, I would replace all of them. Filter does a pretty good job of stopping stuff.
Elder User
Joined: Aug 2008
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From: 50450 IOWA
we just had a guy with no oil pressure which can be caused by needle bearings falling out of lifters and getting into the oil pump casing damage to pump and the cam. am i correct in thinking that the cam is the last piece out of the engine and first piece in when building on the 6.4 same as the 6.0?
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Joined: Jan 2000
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From: Irving Texas
When ever you replace the cam replace the lifters and push rods.
Why not? They are already in there?
My biggest concern is what caused this?
Are you running a tune over +100HP?
Or like another post ask bout needle bearings clogging up ports.
Did they check fuel injectors for problems? Stuck open and over fueling..
Why not? They are already in there?
My biggest concern is what caused this?
Are you running a tune over +100HP?
Or like another post ask bout needle bearings clogging up ports.
Did they check fuel injectors for problems? Stuck open and over fueling..
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No tune, this is a bone stock factory truck. The first shop I brought it to, where I bring all my vehicles had suspected an injector problem. But diesel is not their specialty so after $1000.00 in diagnostics they asked/suggested I take it to a ford dealer. As usual the after market warranty is jerking the dealer around. They want all maintenance records including how often I put air in the tires and where I get my diesel fuel from.
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From: Isanti, MN
If it is work done at the dealer, it will show up on an oasis report (technically Ford's internal Carfax.) I would have to assume it would show up on a Carfax also. Definitely would replace lifters. If you plan on keeping it, I would replace all of them. Filter does a pretty good job of stopping stuff.
Originally Posted by mark318
This has bad idea written all over it. Are the lifters in the 6.4 roller lifters. Also being that it is torn down this far would it be a good idea to replace the pushrods and the rocker arm assemblies. This will add about another $1200.00 bucks to the repair bill. Also should I be concerned about residual metal in the oil-pan getting into the oil flow when this thing is back up and running. Anybody have any thoughts on this would be greatly appreciated.
For the other questions, how much longer do you have the extended warranty for? If you have lots of time left I wouldn't spend money on something that may fail in the future. If the warranty is up soon I would replace the rocker arms and lifters just in case.
Lead Driver
Joined: Sep 2006
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From: Cartersville, Ga
May be true, but I have seen work reported on Oasis for a 6.4 at the 340k mile mark. Way past any extended warranty that I know of.
You are that deep, so why not? Very good chance they were the cause of the failure in the first place. They have been known to fail on 6.4s with higher mileage while stock and all the fuel that makes it into the oil during its life.
You are that deep, so why not? Very good chance they were the cause of the failure in the first place. They have been known to fail on 6.4s with higher mileage while stock and all the fuel that makes it into the oil during its life.
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From: Isanti, MN
Lead Driver
Joined: Sep 2006
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From: Cartersville, Ga
It was strange. Only one I have ever seen go out that far.
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STATUS UPDATE
My truck has been at the ford dealer for going on one month now. I have authorized new cam and lifters as well as new push rods and rocker arm assemblies. I am looking at a $9600.00 repair bill. However for the past week they have not been able to get it running. Monday morning they hit me up with wanting to put a new instrument cluster in it for $750.00. I said I would not authorize that. One has nothing to do with the other plus it worked when I brought it in. I can't begin to imagine what is involved with having to remove the cab to do this work but I can guess that there were a bunch of things that needed to be unplugged. Today I am told they are going to put a new instrument cluster in as a good will repair. Now I am not much of a betting man but something tells me I won't have my truck back by the weekend. Anyone have any thoughts on what they would do if they were in my shoes in regards to keeping it after I get it back?
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From: Southern California
IMHO, without saying a word, I would take it to another Ford dealer for a full inspection...explaining what work has been done, & your concerns. You will than have confidence in the actual status of your truck.....and if repairs are required, you have excellent documentation.
Cargo Master
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From: Redford, Mi.
Not sure why you'd replace the lifters. If they're not damaged why not reuse them? There are 6.4L lifters that are in running engines that have seen far more miles than yours has. What about a camshaft replacement will trash your existing lifters? Doesn't make sense to me.
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Most rebuilt engine failures are caused by camshaft/liter failure due to improper engine break in or poor oil. I understand that these are rollers but I certainly wouldn't take that chance if it were my truck.