Upper Arm Removal - 4x2

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2004 Mazda B4000, 2004 Mazda B3000, 2004 Mazda B2300, 2003 Mazda B4000, and 2003 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.

Raise the vehicle on a hoist.
Remove the wheel and tire assembly.
Remove the front disc brake rotor shield. See FRONT BRAKE ROTOR REMOVAL & INSTALLATION.
Use a suitable jack to support the front suspension lower arm.

Fig 1: Installing Jack Under Front Suspension Lower
Courtesy of MAZDA MOTORS CORP.
Mark the position of the front suspension upper arm adjustment cams.

Fig 2: Marking Upper Arms Adjustment Cams
Courtesy of MAZDA MOTORS CORP.
Remove the upper ball joint retaining nut and pinch bolt.

Fig 3: Removing Upper Ball Joint Retaining Nut
Courtesy of MAZDA MOTORS CORP.
Separate the ball joint from the front wheel spindle.

Fig 4: Separating Ball Joint From Spindle
Courtesy of MAZDA MOTORS CORP.
Remove the front suspension upper arm.
1. Remove the two nuts and bolts.
2. Remove the front suspension arm bushing joint.
  
  Fig 5: Removing Front Suspension Arm Bushing Joint
  Courtesy of MAZDA MOTORS CORP.