Stephen N Eas Providence , RI October 22, 2016 Appliance: LG Washer WM1812CW Lg Washer Wm1812cw: Bearings and spider arm. How to replace Spider Arm Assembly. I fixed it with help from the video tutorials!! Was a pretty easy fix just had lots of steps. Took my time and watched the video a few steps at a time and did those steps watched a few more then did those until I was done! Do-It-Yourself Rating: Repair Time Estimate: 2+ hours