GX - 1st Gen (2004-2009) Discussion topics related to the 2003 -2009 GX470 models

Front wheel vibration

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Old 11-30-20, 11:26 AM
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ckm2000
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Default Front wheel vibration

Has anyone experienced front wheel vibration ONLY when going down a hill/steep grade? My 2008 GX shimmies when I apply the brake while descending a steep grade AND does not have the same shimmying when I apply the brake on level ground. I have had the brakes replaced and installed OEM ceramic pads. Haven't found anything on this website alluding to this issue.
Old 11-30-20, 11:53 AM
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IanB2
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Possibly LCA bushings that are worn out or something?

When you say it "shimmies", is this felt in the steering wheel, the brake pedal, whole truck, what's happening exactly? How have you narrowed it down to the front end?
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chiph9 (11-30-20)
Old 12-01-20, 08:49 AM
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ckm2000
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I can feel the front end and in the steering wheel. Very slight but definitely distinguishable!
Old 12-03-20, 04:06 PM
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cr4west
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Mine had a violent shaking during down hill de-acceleration. Scary and felt like the whole front end was going to fall off! It turned out to be the front PTO shaft u-joint and a loose right outer tie rod end. This created the down hill shake.
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