I swapped front (R180) and rear axles from a pro4x into my Xterra. The goal was to have a locking rear m226 differential. It was by far the biggest project I've completed. Huge shout out to the folks on thenewx forums that created a hoot that I followed: https://www.thenewx.org/threads/how-to-install-rear-axle-and-wire-locker-w-indicator-light-pbr.60959/ ADO's video on their axle swap is also worth watching: https://www.youtube.com/watch?v=sPxDgdEVDHQ 00:00 Intro 0:11 Why the swap 0:32 What's a locker? 1:29 Removing ABS brackets 3:12 Angle grinder sanding 4:01 Checking that elocker works 5:04 Removing old brakes 7:10 Draining the diff fluid 8:17 Taking off the rear diff cover 8:55 Verifing gear ratio 10:34 Rear end disassembly 11:46 Attempting to take the abs sensor out 13:18 Removing brake lines 15:32 Removing u-bolts 17:35 Dropping the axle 19:17 Reattaching the drive shaft 20:17 Putting the brakes back on 22:24 Torquing the brakes 22:51 Firing it up 23:42 Front diff replacement 24:22 Conclusion