Upper Arm Ball Joint Rotation Starting Torque Check

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

Required Special Tool:

MB991006: Preload socket

Move the upper arm ball joint stud back and forth for several times, then measure the upper arm ball joint rotation starting torque using the special tool MB991006.
Standard value: 3.4 N.m (30.0 in-lb) or less

Fig 1: Measuring Upper Arm Ball Joint Rotation Starting Torque
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
When the measured value exceeds the standard range, replace the upper arm assembly.
Even if the measured value is within the standard value, check that the upper arm ball joint has no looseness or gritty feeling. If there is no looseness or gritty feeling, it is judged as usable.