Yep that's what I found too Macguyver. What I did (going off dedhed's protocol) was to clean the area of the bottom bracket that I'd be attaching a Shimano under BB plastic cable guide to with Brakeclean to make sure it was 100$% grease free then used a Loctite multi-surface (metal/plastic) adhesive. Cured overnight and it's perfect. Thanks for all the help.