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Vibration 08 XLT

Thread in 'Noise, Vibration, Harshness Issues' started by gavin T, Apr 12, 2018.

  1. gavin T

    gavin T Member 2nd Gen Owner 4 Wheel Drive V8 Engine

    Likes Received:
    Nov 14, 2017
    Lansdale, PA
    first things first.

    i have the K&N CIA FIPK.
    Gibson 3'' exhaust.

    my drive shaft center bearing was obliterated and i replace the entire rear drive shaft with the fort wayne clutch shaft. and the vibrations under 50mph vanish. i get a rough idle but thats probably because of the mods and i see my bank 1 o2 sesnor jumps around.

    my issue is that i still get a noticeable vibration above 55mph. i mean i can feel it in the driver seat. the driver door (put my foot or hand on the door.) and steering wheel a little bit.

    any ideas guys? or any good testing methods for front wheel bearings / alignment / balanced wheels? im going to replace the front drive shaft u joints next month because they are OEM.

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