ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
VEHICLES ARE SUBJECT TO EXCESSIVE UNDERHOOD TEMPERATURES AND FUEL SYSTEM PRESSURES IN SEVERE DUTY APPLICATIONS.
Remedy: INSTALL MODIFICATION KITS TO MINIMIZE POSSIBILITY OF FUEL EXPULSION AND TO SHIELD UNDERBODY COMPONENTS FROM EXHAUST SYSTEM HEAT.
188,000 vehicles affected
POWER TRAIN:AUTOMATIC TRANSMISSION
THE PARKING GEAR MAY NOT ENGAGE, EVEN THOUGH THE GEAR SHIFT LEVER IS PLACED IN THE "PARK" POSITION. THIS OCCURS IF THE LINKAGE INSIDE THE TRANSMISSION THAT ACTUATES THE PARK GEAR WAS IMPROPERLY MANUFACTURED. A PIN THAT RETAINS COMPONENTS ON A LINKAGE (ACTUATING) ROD COULD BREAK AND THE LINKAGE MAY NOT ENGAGE THE PARKING GEAR.
Remedy: DEALER WILL INSPECT AND, IF NECESSARY, REPLACE THE PARKING PAWL ACTUATING ROD ASSEMBLY.
98,162 vehicles affected
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
SOME OF THE INVOLVED VEHICLES MAY HAVE A DIODE IN THE ELECTRICAL FUEL PUMP CIRCUIT THAT MAY SHORT DURING ENGINE STARTING DUE TO INADEQUATE CAPACITY TO WITHSTAND CURRENT DRAW. A SHORT CIRCUIT WOULD RESULT IN NORMAL ENGINE STARTING, BUT THE PUMP WILL NOT CONTINUE TO SUPPLY THE ENGINE WITH FUEL.
Remedy: THE DEALER WILL REPLACE DEFECTIVE ELEMENT IN THE ELECTRICAL FUEL PUMP CIRCUIT WITH A NEW RELAY FEED WIRING ASSEMBLY WHICH CONTAINS A LARGER CAPACITY DIODE, FREE OF CHARGE.
650 vehicles affected