Reply to thread

Message: <blockquote data-quote="stutaeng" data-source="post: 29944" data-attributes="member: 6175">I've got a small pinion seal seepage on my 06 Suburban 2500 with the 9.5" SF axle. It doesn't drip oil, but it still bugs me.Looking around, some folks say just mark the pinion yoke nut, undo everything and re tighten the nut to the mark. I'm skeptical of that procedure TBH.My plan is to remove the carrier, measure the preload, remove the yoke, reinstall the new seal and tighten to get the same preload. It's a time consuming process, but it's the right process.Otherwise, there's a high risk the pinion bearings will get damage in short order from preload being too high or too low.So in your case, without knowing if they met the pinion preload specifications, it's hard to say one way or another. I think not enough preload will cause the bearing to chatter and failure of them will be galling. Too much preload will cause overheating and you'd have discoloration and blueing. Do you know what happened to your axle or what exactly failed?</blockquote>