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Old 12-14-2010, 07:19 PM
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Need some diagnosis

Ive searched and searched but have found so many possible things Id like to get some more concise info.

07 6.0 w/ 128k
Changed oil today (rotella t 15-40), and noticed a very bad vibration, especially from 0-25, immediately after changing oil.

Once you reach above 30, the vibration is there but nowhere near as noticeable. Its confusing me because its vibrating more even at idle, not just on slow acceleration (cancels out most tranny problems right?).

Any help would be appreciated, this is really odd. This is also my first diesel, and my first diesel winter, so im not sure if it would be the cold or what making it do this. I live in SC, today was the coldest day the truck has seen w. lows around 16 or so.

any help would be greatly appreciated
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Old 12-14-2010, 07:52 PM
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Does it go away after it is warmed up? Are you getting any codes? Vibrations appearing after an oil change is not likely due to the oil? But in any case, did you use Motorcraft oil filter? Is it full? Plug your truck in over night and see if you get the same vibrations in the morning. Could be injector stiction or the thick oil having a hard time circulating in the cold.
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Old 12-15-2010, 05:08 AM
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once its warmed up its still there. Yes, everything done right on my end. 0 codes.
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Old 12-15-2010, 05:40 AM
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Is this the first oil change you've done on it. You just get this truck?

My guess if that's the case, the previous owner may have had the lighter weight oil in it, due to a sticking injector, and the cold, heavier oil cannot work the injector that's failed possibly. I'm not really sure but a inoperable injector will cause the a good vibration, I know this because I have a loose connector, and that's how I know it's loose.....

Just a guess at this point..... So, is this your first oil change with the truck?
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Old 12-15-2010, 06:25 AM
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no it is not. Ive done it only one other time. I think I may go grab a bottle or rev-x and try that.

can i narrow it down to something with injectors?
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Old 12-15-2010, 06:29 AM
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sounds like it's leaning that way to me. but not the injectors, an injector or two......

Have you seen the price of that Rev-X stuff? And you're told to put it in every oil change?!?!? WTF?
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Old 12-15-2010, 08:53 AM
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I was looking around in my truck today, and I pulled the dipstick out. Ive been putting in 15qts every time, and its wayyyy over max. I have to go to work soon so I wont be able to drain it out till tonight but could that be doing it?

so being the retard that I am, i forgot to check the dipstick after doing the oil change.

Still gotta get some of that rev-x to try.
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Old 12-16-2010, 09:05 AM
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yes, the crankcase being overfull will definitely do it.
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Old 12-16-2010, 12:05 PM
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check the thread on oil in my signature for a little insight into the 6.0 and what some of the good peeps on here have experienced
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