THE MALFUNCTION OR FAILURE OF A COOLANT SYSTEM COMPONENT RESULTS IN SIGNIFICANTLY INCREASED COOLANT TEMPERATURE AND A RESULTING INCREASE IN SYSTEM PRESSURE.
Safety risk
VEHICLES OPERATED UNDER THIS INCREASED COOLING SYSTEMPRESSURE CONDITION CAN SUFFER DAMAGE OR FAILURE OF PARTS OF THE COOLING SYSTEMSUCH AS (1) LEAKAGE FROM A COOLANT HOSE, (2) LEAKAGE OF THE RADIATOR OREXPANSION TANK, (3) DISCONNECTION OF A HOSE FROM A PIPE OR A FITTING, AND (4)CRACKS IN THE HEATER CORE END PIECE RESULTING IN COOLANT LEAKAGE. IN SOME CASES,BOILING COOLANT CAN CONTACT THE LOWER RIGHT LEG OF THE DRIVER RESULTING INBURNS. ALSO, ESCAPING COOLANT IN THE PASSENGER COMPARTMENT CAN CAUSE VAPORFOGGING OF THE INTERIOR SURFACE OF THE WINDOWS, REDUCING DRIVER VISIBILITY.
Manufacturer remedy
DEALERS WILL INSTALL A THERMOSTATIC BYPASS VALVE IN THE ENGINE COMPARTMENT TO CONTROL COOLANT TEMPERATURE IN THE HEATER CORE. ALSO, A NEW DESIGN RADIATOR CAP WILL BE INSTALLED, TO CONTROL PRESSURE AND PROVIDE GREATER COOLANT OVERFLOW IN THE EVENT OF OVERHEATING.
THE IDLE CONTROL VALVE WHICH CONTROLS IDLE SPEED BY VARYING THE AMOUNT OF INTAKE AIR THAT BYPASSES THE THROTTLE PLATE IS SUBJECT TO BACKFIRE INTO THE INTAKE MANIFOLD. SUCH BACKFIRE CAN DAMAGE THE VALVE AND CAUSE THE IDLE VALVE PLATE TO REMAIN OPEN. CONSEQUENCE OF DEFECT: THIS WILL RESULT IN ABNORMALLY HIGH IDLE SPEED.
Manufacturer remedy
INSTALL A REDESIGNED IDLE CONTROL VALVE WHICH CAN NOT STICK OPEN.
Visibility: defroster/defogger/hvac system: windshield: electrical heating element
Manufacturer
BAYERISCHE MOTOREN WERKE
Vehicles affected
4,748
Reported to NHTSA
1984-09-11
Owners notified
1984-12-14
Defect description
WATER CONTROL VALVE IN THE HEATING SYSTEM MAY NOT CLOSE COMPLETELY. EXCESSIVE CURRENT MAY BEGIN TO FLOW THROUGH THE WIRING TO THE CONTROL VALVE RESULTING IN OVERHEATING OF THE WIRING.
Manufacturer remedy
WIRING TO THE VALVE WILL BE REPLACED WITH A WIRE CONNECTOR THAT HAS A FUSE. THE FUSE WILL PREVENT THE OCCURENCE OF AN ELECTRICAL OVERLOAD.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
Component
Complaints
Median mileage
Engine and engine cooling: cooling system
1
—
Engine and engine cooling: cooling system: radiator assembly
The 1985 model has 2 times as many complaints as this one. These figures reflect raw complaint counts, not failure rates. Higher-selling model years naturally receive more complaints.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.