Drilling body

Fig 1: Drilling And Cleaning Body

Courtesy of VOLVO CARS OF NORTH AMERICA.

Mark a hole for a lead-in for the cable harness as illustrated
Drill an 8.5 mm (21/64") diameter hole at the marking
Open the hole in the bodywork. Use a 31 mm (1 7/32") diameter hole cutter, (P/N: 9814069).
NOTE:
Rust-proof the edges of the hole.