Mazda 6 Installation Instructions Manual page 14

7. INSTALLATION OF SENSOR AND BUZZER
■ Sensor installation
Duct tape
10mm
Over-drilling prevention
Drill bit (shoulder)
Round file
Drill
Drill
（Drill at low speed）
Hole saw (Φ20)
Burrs
1. Wrap the drill bit with duct tape as shown in the figure.
2. Set the drill rotation to low speed.
CAUTION
• Always use a drill with a rotation speed adjustment,
otherwise the rear bumper may deform.
• Be careful when handling drills and other sharp objects.
• To prevent scratching and over-drilling, always wrap the
drill bit with duct tape.
3. With the drill bit pointed perpendicular to the bumper, drill a 2
mm dia. hole in the marked position using a drill. (4 locations)
WARNING
• Be careful when handling drills and other sharp objects.
If not handled properly, it could result in serious injury.
4. Drill a 20 mm dia. hole from the center of the sensor hole using
a hole saw.
WARNING
• Be careful when handling drills and other sharp objects.
If not handled properly, it could result in serious injury.
5. Remove burrs from the drilled holes using a round file be
careful not to make hole bigger than 20mm.
CAUTION
• If the sensor is installed forcibly while the hole is small, it
could deform the bumper.
• Make sure to remove burrs from the surface so that the
bumper surface is smooth.
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