AFTER HAVING RECALL'S C 98043, C 99046, AND 95020 CROSS 95C31 COMPLETED, RETURNING HOME FROM THE DEALER 1/2 MILE AWAY, STOPPED AT A TRAFFIC LIGHT, OUR BLAZER LURCHED FORWARD AND SMASHED INTO THE REAR OF THE VEHICLE IN FRONT OF MY WIFE WHO WAS DRIVING. THE VEHICLE HAD TO BE TOWED BECAUSE OF DAMAGED GRILL,RADIATOR, HOOD AND FENDERS. IS THERE A WAY THIS INCIDENT COULD HAVE BEEN CAUSED BY ANY OF THESE RECALL'S? ALSO AFTER THE RECALLS WERE FIXED THE DEALER HAD TO FIX A STUCK EGR VALVE, BECAUSE THE TRUCK RAN REALLY BAD AFTER THE RECALLS WERE FIXED. THE DEALER SAID HE HAD TO REMOVE MANY COMPONENTS TO FIX/CLEAN THE EGR VALVE BILLING US 202.53. *AK