Vibration with new 3" downpipe (solved) - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 12-22-2006, 03:12 PM Thread Starter
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Vibration with new 3" downpipe (solved)

Hey guys I just purchased a new 3" downpipe with a straight 4" exhaust and after I installed it I noticed a vibration at low engine speeds (below 1000 RPM). It was driving me nuts, so I inspected the exhaust and noticed that the exhaust clamp on the down pipe was was touching the transmisstion. Once I took the exhaust appart and reinstalled it while making sure NOTHING was touching the exhaust pipe, the vibration was gone!
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post #2 of 4 Old 12-22-2006, 03:18 PM
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Glad you found it!!!

Shane

2011 F250 Crew Cab FX4



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post #3 of 4 Old 03-20-2007, 05:56 PM Thread Starter
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One more thing, if you are replacing the stock body mount bushings on your truck, you can gain a little more clearance between the Down Pipe and the body by pushing the cab slightly back before you tighten all the cab mount bushing bolts down. This is what I did and now I can fit my whole hand between the cab and the down pipe!!
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post #4 of 4 Old 03-20-2007, 06:09 PM
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How close is the cab to the bed or box on your PSD after you moved it?Glad you got fixed

Pat
2006 F350 CC
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