Insulator (Rear) Removal Note

NOTE:

The insulator (rear) is installed using rivets.

Remove the rivets as shown in the figure below.

Fig 1: Identifying Insulator (Rear) And Rivets
Courtesy of MAZDA MOTORS CORP.
1. Push out the mandrel using a hammer and punch (2-2.8 mm {0.08-0.11 in} diameter).
  
  Fig 2: Pushing Out Mandrel Using Hammer And Punch
  Courtesy of MAZDA MOTORS CORP.
2. Remove the flange using a drill (5 mm {0.2 in} drill bit).
Fig 3: Removing Flange Using Drill
Courtesy of MAZDA MOTORS CORP.