cafebaltimore Posted June 11, 2009 Share Posted June 11, 2009 I am measuring a 0.017" for the Front Control Arm Bolt to ES Bush Sleeve Clearance. Is this excessive? The collar on the bolt measures 13.95mm which makes me think the design intent was for the ID of the bush sleeve to be 14.00mm. Quote Link to comment Share on other sites More sharing options...
pparaska Posted June 11, 2009 Share Posted June 11, 2009 Jeff, I believe the design intent is for the sleeve to get clamped down in the crossmember and not rotate around the bolt, due to friction at the ends of the sleeve when the bolt is tightened down. In other words, the polyurethane part of the bushing rotates around the inner sleeve. Sure, the fit to the bolt could be tighter. If it does move around, maybe take a beer can and wrap around the bolt to take up the slack? Cheers, Quote Link to comment Share on other sites More sharing options...
cafebaltimore Posted June 12, 2009 Author Share Posted June 12, 2009 Thanks Pete, I had wondered that myself. So in the stock design, that would mean the center collar of the bushing is locked in place. The rubber section is fixed to the inner and outer metal cylinders and allowed to rotate slightly by means of two holes in the rubber. The outer metal cylinder of the stock bushing was locked in place inside the hole in the control arm. I have to believe that is meant to be fixed. Where is the front control arm free to rotate in the stock setup? Is it only from the two holes in the injection molded part of the stock bush? Should the Energy Suspension Bushing (2.416" LG) be wider than the outermost bush surfaces (2.456" LG) when the bushings are firmly pressed into the control arm? Would it be better to remove material from the front or rear side (respective to control arm and driver) of the ES Bush? Thanks again, Quote Link to comment Share on other sites More sharing options...
pparaska Posted June 12, 2009 Share Posted June 12, 2009 Yes, in the stock bushings, only the rubber gives. That's why it's important to have the suspension at ride height when tightening the bolts. That goes for the two HUGE bolts at the inner rear control arm pivot when using the stock rubber bushings. I seem to remember installing the front ES bushings and having to add washers to take up the clearance between the ends of the inner sleeve and the crossmember. Quote Link to comment Share on other sites More sharing options...
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