ENGINE AND ENGINE COOLING:COOLING SYSTEM
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE HEATER CORE END CAP CAN FAIL DUE TO MATERIAL STRENGTH DETERIORATION OCCURRING OVER TIME WITH EXPOSURE TO HIGH TEMPERATURE ENGINE COOLING SYSTEM FLUID.
Remedy: DEALERS WILL INSTALL A COOLANT TEMPERATURE CONTROLLED HEATER CORE FLUID BYPASS VALVE.
32,000 vehicles affected
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE
COOLING SYSTEM PRESSURES DURING OVERHEATED ENGINE OPERATION MAY EXCEED THE STRENGTH CAPABILITY OF CERTAIN COMPONENTS DUE TO INADEQUATE VENTING CAPACITY OF THE SYSTEM PRESSURE CAP.
Remedy: REPLACE ALL COOLANT SYSTEM PRESSURE CAPS WITH ONE HAVING ADEQUATE VENTING CAPACITY.
240,000 vehicles affected