LG WM3400CW (Front Load) – Spider arm corrosion Repair Guide

How to Fix Wi-Fi not connecting on GE Profile PFW940SSPVS (Front Load)

I’ve worked on dozens of LG WM3400CW machines over the years, and spider arm corrosion is honestly one of the most common failures I see on this model — usually showing up after 5-7 years of use. The aluminum spider arm reacts with detergent residue and moisture, causing it to crack or crumble. Replacing the … Read more