The best way I found to find a loose joint was have somebody get in the truck and turn the wheel side to side why I look under the front. Most of the time you will be able to see whats causing the slop.
2000 F250 Lariat, CA Emissions, CC, Long Bed PSD, 4x4, Manual, 4.30 gears, 102K Miles
Performance Mods: Tuned by PHP, Gauges, AIH Delete, 5" straight exhaust, DIY Intake
Suspension: Fabtech all spring 8" Lift, Fabtech Dual Front shock mounts, Fabtech Dual steering stabilizer, Bilstien 5125 on corners, 17" ATX Vice, 37" Toyo M/T
1995 Ford F350 PSD