Front Lower Arm Inspection

Remove the lower arm from the vehicle.
Inspect for damage, cracks, and bending.
Inspect the ball joint rotation torque.
1. Rotate the ball joint five times.
2. Connect the SST to the ball stud, and measure the rotation torque using a pull scale.
  - Replace the ball joint if not within the specification.
  Lower arm ball joint rotation torque
  
  1.0-4.9 N.m {10-50 kgf.cm, 9-43 in.lbf}
  
  [Pull scale reading: 10-49 N {1.0-5.0 kgf, 3-11 lbf}]

Fig 1: Measuring Ball Joint Rotation Torque Using Pull Scale

G04328415

Courtesy of MAZDA MOTORS CORP.