Install foam, bumper rail and drill holes

Fig 1: Identifying Hole Locations And Drill Bit Diameter

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Install the foam and the bumper rail in the bumper cover
• Drill through the bumper cover and the foam. Use a 3 mm (1/8")  diameter drill bit in the four pre-drilled holes. This is to make a mark so that the holes for the sensor and holder can be drilled in the foam
• Remove the bumper rail and foam from the bumper cover.