Vibration felt before DPF cleaning cycle
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From: s.f. bay area
Vibration felt before DPF cleaning cycle
I have sometimes noticed a vibration that you can feel the impulse of in the steering wheel and maybe the floor of the truck shortly before I get the "Cleaning Exhaust Filter" message on the info center.
It feels kind of like the ABS system handling a breaking operation on a slippery surface, but the breaks are not applied. I have felt this around 4 times since owning the truck (6 months and 6500 miles). I have seen the cleaning message without feeling the vibration also.
If it happens, it seems to be around 30 seconds before the cleaning message appears, and lasts for maybe 1 second. Not sure if anything starts happening before the message, but this seems to much of a coincidence. Does this ring a bell with anyone?
It feels kind of like the ABS system handling a breaking operation on a slippery surface, but the breaks are not applied. I have felt this around 4 times since owning the truck (6 months and 6500 miles). I have seen the cleaning message without feeling the vibration also.
If it happens, it seems to be around 30 seconds before the cleaning message appears, and lasts for maybe 1 second. Not sure if anything starts happening before the message, but this seems to much of a coincidence. Does this ring a bell with anyone?
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Crystal
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Joined: Mar 2004
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From: s.f. bay area
Hmm, now you are all scaring me 
I read through the referenced posting about the TSB (although I apparently don't have permission to see the actual TSB referenced), and not sure we are talking about the same thing. While I do feel a vibration sometimes, it only lasts around 1 second, has no effect on the engine performance or sound during the vibration, and occurs at least 30 seconds before the cleaning message appears on the LCD screen. From what I read, it would appear that the symptoms referenced occurred for a "while" (many seconds/minutes) and only after the message had occurred, not before.
I have never had to take the truck in for anything yet, but I will mention this to my service adviser (we are on a first name basis from my previous 2004 6.0 escapades) next time I talk to him.
I read through the referenced posting about the TSB (although I apparently don't have permission to see the actual TSB referenced), and not sure we are talking about the same thing. While I do feel a vibration sometimes, it only lasts around 1 second, has no effect on the engine performance or sound during the vibration, and occurs at least 30 seconds before the cleaning message appears on the LCD screen. From what I read, it would appear that the symptoms referenced occurred for a "while" (many seconds/minutes) and only after the message had occurred, not before.
I have never had to take the truck in for anything yet, but I will mention this to my service adviser (we are on a first name basis from my previous 2004 6.0 escapades) next time I talk to him.
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Munkey
Clutch, Transmission, Differential, Axle & Transfer Case
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Sep 14, 2003 02:58 AM
