VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS MANUFACTURED AT THE KANSAS CITY OR NORFOLK ASSEMBLY PLANTS. THE FRONT FUEL LINE ASSEMBLY COULD HAVE A HOLE RUBBED THROUGH IN ONE OF TWO LOCATIONS. THE FIRST LOCATION IS BELOW THE FUEL RAIL CONNECTION WHERE THE FLEXIBLE HOSE IS CRIMPED TO THE STEEL TUBE. THE BRACKET THAT ATTACHES THE FRONT FUEL LINE TO THE TRANSMISSION COULD HAVE BEEN BENT DURING ASSEMBLY. THE SECOND LOCATION IS AT THE REAR STEEL TUBE SECTION FORWARD OF THE REAR BRACKET. DURING INSTALLATION THE REAR STEEL TUBES OF THE FRONT FUEL LINE ASSEMBLY COULD HAVE BEEN BENT DOWNWARD. IN VEHICLES EQUIPPED WITH A MANUAL 4XZ4 TRANSFER CASE SHIFTER, THE SHIFTER LINKAGE MAY CONTACT THE STEEL TUBES AS IT IS BEING SHIFTED BETWEEN 4H, 4L, 2L AND NEUTRAL.