2003 CHEVROLET TRACKER, LEFT REAR TIRE CAME OFF AND STRUCK UNIT #2. UNIT #1 THEN DROVE OFF THE RIGHT SIDE AND STRUCK THE GUARDRAIL. *BF OHIO TRAFFIC CRASH REPORT # 10-0110-89. *JB UPDATED 07/19/10. *LJ THE LUG NUTS WERE NOT PROPERLY TORQUED. UPDATED 09/21/10