2024General Discussion forum
Repairing a rotated connector joint in an MKV post where epoxy adhesive has failed
What the thread found
- The lower stage connector inside an MKV post can rotate if the epoxy bond has failed, which is a structural failure requiring professional repair
- Surface preparation is critical when rebonding - all old adhesive and residues must be removed from both the aluminum end piece and the carbon fiber post interior without damaging the carbon structure
- Scotch Weld adhesives and West Systems epoxy products have shown good results in similar post repairs
- J-B Weld has been reported to work well in high-end applications for bonding aluminum to carbon fiber
- Proper mixing and full curing of adhesive is essential, as incomplete curing was observed in a failed repair
- Safety pins should be added during repair to serve as a mechanical backup that prevents the post end from detaching if glue fails again
- Installing safety pins requires careful drilling technique to avoid splitting the carbon fiber post
Depends on
- No specific adhesive type was confirmed as the original MKV factory choice
- The advisor had no adhesive samples on hand to verify performance directly
- Specific repair shops in the Vancouver area were not identified in the discussion
- The safety pin design and specifications for MKV posts are not detailed