FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP
A CRACK MAY DEVELOP ADJACENT TO THE FUEL TANK SEAM WELD ATTACHING THE TANK END CAP.
Remedy: INSTALL LIMITER CUSHIONS ON THE TANK SUPPORT BRACKETS OR REPLACE TANK, IF NECESSARY.
21,558 vehicles affected
SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
MELTING OF THE AIR BRAKE LINES CAN OCCUR WHERE THE AIR LINES ROUTE UNDER THE LEFT HAND FRAME RAIL NEAR THE EXHAUST PIPE.
Remedy: REROUTE AIR LINE HARNESS AWAY FROM THE EXHAUST SYSTEM; REPLACE HARNESS IF HEAT DETERIORATION HAS OCCURED.
1,503 vehicles affected
SERVICE BRAKES, AIR:DRUM:CHAMBER
SEVERE BRAKE CHATTER MAY CAUSE THE BRAKE CHAMBER MOUNTING BRACKETS ON EITHER SIDE TO DEVELOP CRACKS IN THE WELD AREA WHERE THE S CAM SHAFT TUBE ATTACHES TO THE CHAMBER SUPPORT SECTION.
Remedy: AS NECESSARY, INSTALL NEW REINFORCED FRONT BRAKE CHAMBER MOUNTING BRACKETS AND INSTALL A FRONT BRAKE LIMITING VALVE ON VEHICLES WITHOUT ONE.
7,870 vehicles affected