You can select a location adjacent the damaged or missing M6 ground stud having 20 mm (0.79 in) clearance behind the panel surface and 20 mm (0.79 in) clearance surrounding the M6 rivet stud flange, remove any grease from the repair site and allow to dry, drill a 10 mm (0.40 in) diameter hole through the panel, remove paint and primer from the area surrounding the rivet stud flange until bare metal is visible, select a replacement conductive M6 rivet stud, install the replacement conductive M6 rivet stud, ensure the new rivet stud is securely fastened, with no detectable movement, wrap the threads of the rivet stud with painters tape or equivalent, refinish the repair area using an anti-corrosion primer, allow the refinished repair area to cure sufficiently before removing the protective material applied to the rivet stud threads, remove the painters tape or equivalent from the rivet stud threads, thoroughly clean the rivet stud threads to remove any adhesive and allow to dry, remove any corrosion from the electrical ground wire terminal, apply Dielectric Lubricant GM P/N 12377900 (Canadian P/N 10953529) to the new conductive M6 rivet stud threads, install the ground terminal to the new rivet stud, select a new, conductive M6 nut, install the M6 nut, check for proper system operation.
By BobGM Specialist
01/11/2022