Quote:
Originally Posted by SSDiv6
In Polyurethane bushings, the sleeve, instead of remaining static in the bushing, also tries to turn inside the bushing when pivoting. Polyurethane does not have the low friction and the load bearing characteristics of Teflon or Nylon thermoplastics, therefore, while pivoting, it will flex under load.
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There are definite differences in polyurethane control arm bushings from brand to brand. Some polyurethane compounds are 'sticky', for lack of a better term. A lube like Permatex Super Lube between the bushing and the sleeve makes a big difference.