Steering Rack Vibration - Cobalt SS Network



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Old 10-11-2017, 11:20 AM   #1
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Steering Rack Vibration

Just want people's opinions on this matter. Lowered my 09 LNF on B & G springs and new struts so I bought OTTP's steering rack spacers so that I wouldn't get bind on full lock. Installed them and since then, I noticed my steering column seems to vibrate pretty bad over bumps and dips in the road. It's not bad but I can hear it all the time. Took the wheels off again when I changed out sway bar bushings/LCA bushings/sway bar endlinks and tightened them down but I still get it. I just got on ZZP's website and they now offer them but it has a machining in the center that seems like it would fit the lip of the rack better. Has anyone had these issues before?
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Old 10-11-2017, 12:36 PM   #2
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Did you confirm that the bolts holding your steering rack are tight and holding it in place firmly?
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Old 10-11-2017, 12:38 PM   #3
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Yes they are tight but there is a lip on the underside of the rack that keeps it from sitting flush against the rack.
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Old 10-11-2017, 12:53 PM   #4
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Did you get the correct size spacers?
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Old 10-11-2017, 01:09 PM   #5
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There is no size difference besides the thickness of it. The B & G springs drop it like 1.75 inches so I got the corresponding spacer. Is the rack and pinion the same on all Cobalt models or do the SS's have a faster ratio?
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Old 10-11-2017, 01:11 PM   #6
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All the steering racks are the same
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Old 10-11-2017, 01:34 PM   #7
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Quote:
Originally Posted by SChassisMostly View Post
Yes they are tight but there is a lip on the underside of the rack that keeps it from sitting flush against the rack.
Could you put up a picture of this so we can see what it looks like? Could be your issue.
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Old 10-11-2017, 01:36 PM   #8
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I will later when I get home
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Old 10-14-2017, 07:58 PM   #9
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What size endlinks did you get? Get A keyhole spacer as well. It raises the engine to help align the axles
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Old 10-16-2017, 01:24 AM   #10
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try putting ur back tires on the front.. if it goes away or gets worse its ur tires or all the extra negative camber from lowering it. if u see the camber thats a problem :P
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