RZR-S Specific Discussion Rear differential pinion & Loctite August 11, 2015 Have read many threads about the pinion nut backing off and the consensus seems to be Loctite 277 cures the problem. Has anyone had any pinion nut issues after using the Loctite 277? Anyone with any miles on their rig since using Loctite? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related