FixVault

Lower Arm: Inspection

Ball joint rotation torque.

Check the following and replace the ball joint if necessary. Attach SST (0K130 322 020)  to the ball joint stud and measure the force required to cause continuous rotation using a pull scale.

Specified rotating torque: 17~30 lb.in (2.0~3.4 N.m, 20~35 kg.cm) 

Equivalent pull scale reading: 4.4~7.7 lb (20~34 N, 2.0~3.5 kg) 

Fig 1: Measuring Ball Joint Rotation Torque
G01080609Courtesy of KIA MOTORS AMERICA, INC.