FRAME BEAMING ON THE 2007 X TRA CAB CLASSIC TRUCK. GENERAL MOTORS CAMPAIGN #PIT3009J. THE PROBLEM IS SO BAD THAT IT SHAKES THE SEAT SO VIOLENTLY THAT IT IS A HEALTH HAZARD TO DRIVE AROUND. I HAVE BEEN DRIVING MY TRUCK FOR TWO YEARS NOW AS MY DAILY DRIVER. THE FRAME SHAKES SO BAD ON THE FREEWAY THAT IT HAS CAUSED ME BACK STRAINS AND NECK PAIN WHEN DRIVING FOR OVER AN HOUR. I HAVE BEEN TO AMERICAS TIRE MANY TIMES THINKING IT WAS A TIRE PROBLEM THEY HAVE REBALANCED THE TIRES AND EVEN REPLACED THE WHOLE SET WITH ANOTHER BRAND WITH NO IMPROVEMENT. AFTER MY RECENT MRI FROM BACK PAIN I BELIEVE THAT DRIVING THIS TRUCK IS FULLY TO BLAME FOR MY PAIN. TWO YEARS BEFORE I HAD A CLEAN CT SCAN WITH JUST A SLIGHT DISC BULGE, NOW ALL MY DISCS ARE SMASHED KNOWN AS SCHMOR'LS DEPRESSIONS CAUSED FROM THE REPEATED UP AND DOWN BEATING ON MY SPINE FROM DRIVING THIS SILVERADO FOR THE LAST TWO YEARS UP AND DOWN THE CALIFORNIA FREEWAYS. THERE ARE TIMES IT SHAKES SO BAD I FEEL I AM GOING TO LOOSE CONTROL OF THE TRUCK. I WANT GENERAL MOTORS TO KNOW HOW SERIOUS OF A PROBLEM THIS IS, MORE THAN A SHAKE IT IS BEATING PEOPLE LIKE ME TO DEATH AND IS A SERIOUS HEALTH RISK. I FEEL I HAVE NO CHOICE BUT TO CONTACT AN ATTORNEY FOR HELP. *TR