When mine did it i was driving bout 10 mph and i heard a clunk, then my car skidded a little like I had a flat tire. I knew right then what it was - ball joint..my tire dented the fender pretty bad and was all canted looking. go to the dealer!
Alvin
96 RST
http://www.kaptainmyke.com/tir/gallery/SemperBoost Star Stage I turbo kit /Starion I/C w/ 2" chrome piping / GReddy Type-S BOV / Splitsec VC1 / Custom APEXi- GReddy 2.5" exhaust / Nology wires / Dual Gaugepod pillar mount / APEXi EL mech boost gauge / Autometer A/F gauge / Southland Dual Friction clutch / B&M short shifter / Energy Suspension shifter bushings / 17" Axxis Wheelsitemesh on 225/45s / Front/ Rear camberkits / Eibach Prokits / Tokico Blues/ Front Upper, Rear Upper/Lower strut bars / Rear GST sway bar X-drilled rotors / Axxis pads / Stock GS/GST sideskirts /Color-matched center taillight/ door handles/ sideviews Cleared Headlight turns/PIAA bulbs