VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS. (2500 AND 3500 SERIES 4X4 REGULAR CAB PICKUP PRODUCED BEFORE MARCH 21, 1995; 2500 AND 3500 SERIES 4X4 CLUB CAB PICKUP PRODUCED BEFORE JUNE 8, 1995; AND 3500 SERIES 4X2/4X4 CHASSIS CAB TRUCKS PRODUCED BEFORE JUNE 21, 1995). THE FRONT SUSPENSION SPRING/SHOCK TOWERS CAN CRACK AND EVENTUALLY SEPARATE FROM THE VEHICLE FRAME. THE SHOCK TOWER COULD DAMAGE THE REAR WHEEL BRAKE LINES RESULTING IN LOSS OF REAR BRAKE SYSTEM PRESSURE.