2000 FREIGHTLINER FLD120 Suspension Problems

CONSUMER NOTICED THE TRACTOR LEANED SEVERELY TO THE DRIVERS SIDE,AND REPORTED TO THE AUTHORIZED REPAIR FACILITY,AFTER THEIR INSPECTION THE DRIVERS SIDE SPRING WAS APPARENTLY DEFECTIVE OR WEAK,THEN ORDERED A NEW SPRING AND INSTALLED IT,WHEN I PICKED THE TRACTOR FROM THE REPAIR FACILITY, STILL LEANED AS MUCH AS BEFORE, NO CHANGE HAD OCCURRED,THEY SUGGESTED THAT THE PASSENGER SIDE SPRING MAY BE IMPOPERLY ARCHED,THEY REPLACED PASSENGER SIDE SPRING WITH OLD SPRING NO CHANGE,CONSUMER CONTACT DELTA TRUCK CENTER THEY SAID APPARENTLY FREIGHTLINER CORP. HAD A RUN OF TRUCKS WHERE SOMEWHERE DOWN THE LINE FRAME JIG WAS MISALIGNED THAT WOULD CAUSE THIS PROBLEM.