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Yeah it's the ECGS. I haven't lifted my truck yet but there was definitely slop on driver side axle vs passenger side on OEM bearing. If you do decide to do it, there's only a few things to remove. Remove spindle dust cap to gain access to and loosen axle nut (35mm). Remove two 19mm bolts that join LCA to spindle on the bottom near lower ball joint. Now you can manuver the spindle around. Leave loosened 35mm axle nut on while using a dead blow hammer to push out outer axle from spindle side. I used a small piece of 2x4 and a 4 lb mallet to do this so I wouldn't damage anything. Remove axle from spindle side and put it aside. To pop out axle from front diff you'll have to remove front skid plate. With a pry bar and a heavy mallet you can tap out the axle using the tabs on it (same technique used on install). My truck was jacked up at a high angle and I only lost an oz of gear oil when the axle popped out. When and if you want to add gear oil, loosen both 10mm Allen socket for the fill and drain and retorque them when done (it's torqued really tight from factory). Stuff a small piece of plastic bag in the housing before you attempt to remove needle bearing just in case you damage it in the process and fish out any pieces if you did. Remove OEM needle bearing with ECGS puller. Use a race bearing driver (recommended) to drive in ECGS bushing flush with the carrier (see ECGS install FAQs on ECGS website). Remove plastic bag that you put in earlier. Pop axle in the same way you removed it. Reinstall and retorque everything to specs (I don't remember the torque specs off the top of my head even if I had just done it, sorry). Hope this helps.
