ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
EXTREME OPERATING CONDITIONS COULD CAUSE PREMATURE DETERIORATION OF THE ENGINE COMPARTMENT HEATER HOSES OR ENGINE BYPASS HOSES.
Remedy: REPLACE HOSES AND RADIATOR CAPS; INSTALL HIGH HEAT RESISTANCE ALUMINIZED STAINLESS STEEL MUFFLERS.
14,975 vehicles affected
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
STEERING:LINKAGES:DRAG:LINK:CONNECTION
RUBBER THAT ENCASES BALL STUD AND SOCKET JOINT (CONNECTS STEERING DRAG LINK AND PITMAN ARM) MAY DETERIORATE AND CAUSE METAL TO METAL CONTACT. CONSEQUENCE OF DEFECT: COMPLETE SEPARATION OF THE DRAG LINK TO PITMAN ARM CONNECTION COULD OCCUR RESULTING IN LOSS OF STEERING CONTROL.
Remedy: INSTALL NEW DRAG LINK ASSEMBLIES WITH STEEL BALL AND SOCKET JOINTS AT THE PITMAN ARM CONNECTIONS.
28,791 vehicles affected