Proper methods and safeguards for

They are riveted into the lower control arm. You can chisel them out OR...if u have air tools...u can grind the rivets off, them punch them thru the bottom of the lower control arm. Make sure you place GOOD, STRONG jackstands under the control arm. I believe that is a torsion bar suspension so be very careful. You'll also need to pop the upper ball joint out of the spindle to change the lower ball joint. Good luck.

Chris