Vibration after alignment -
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Go Back > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > Vibration after alignment

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Unread 07-11-2011, 05:48 AM   #1
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1995 ZJ 
Join Date: May 2006
Location: Croatia
Posts: 680
Vibration after alignment

So I had my front CA bushings replaced (all of them), and I was advised to do the alignment, which I did. It was OK, aside from the steering wheel that was a bit to the driver's side when going straight, so the shop adjusted that. All well, except that I get vibrations on 80 and 120 kmh (at 50 and at 75 MPH), which I know are said to be the speeds where vibrations will be felt by the driver (something about vibrations amplyfiing at those speeds). Whatever. I want it fixed, of course, although it's not some serious vibrations - but I feel them.

So what do I do? Get alignment again? Or try to see if tires are balanced first (though balanced or not, they did not vibrate before alignment & CA bushings)

Beauty is in the eye of the beer holder
* 1994 ZJ (by VIN) with a 1995 engine (PO knows why)
BlueDevil is offline   Reply With Quote Quick reply to this message
Unread 07-11-2011, 07:27 AM   #2
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1993 YJ Wrangler 
Join Date: Jun 2010
Location: United Arab Emirates, Abu Dhabi
Posts: 1,038
maybe the shop didn't tighten the control arm bolts fully? Could also be that, other bushings are on the way out such as the track bar, sway bar/links, or the tie rod end joints. Always good to get a balance when you get an alignment though, just to be sure!
93 Renegade|Home made add a leaf (by PO, changing out soon)|Rancho adjustable shocks|31x15 BFG AT's|15" GT alloys|AFE Headers|Red SpiderWebShade Trail Cage|Free Sense of Adventure
tonymartin is offline   Reply With Quote Quick reply to this message
Unread 07-11-2011, 07:34 AM   #3
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1993 ZJ 
Join Date: Jan 2011
Location: chesapeake, VA
Posts: 3,562
check your front pinion angle after the new bushings, sounds like the pinion u joint giving you vibes, slight angle changes can do this on old worn or slightly worn u joints
V8 zj at 6" . Double tri rear and true 3 link front. Stretched to 108"
speedbucket is offline   Reply With Quote Quick reply to this message

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