Removal and Installation

Remove the wheel and tire.
NOTE: It may be necessary to hold the ball joint stud to keep it from turning while removing the nut.
Separate the upper arm from the wheel knuckle.
- Remove the upper ball joint nut.
  
  Fig 1: Identifying Upper Ball Joint Nut
  Courtesy of MAZDA MOTORS CORP.
Remove the upper arm.
- Remove the upper arm inner bolt.
  
  Fig 2: Identifying Upper Arm Bolt
  Courtesy of MAZDA MOTORS CORP.
- Remove the upper arm.
To install, reverse the removal procedure.