Ball Joint Checking
WARNING: This page is about a different car, the 2004 Nissan Altima, 2003 Nissan Altima, and 2002 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
No axial play should exist on lower control arm ball joint. Rotation torque for ball stud should not exceed 30 INCH lbs. (3.4 N.m).