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NHTSA Campaign 81V157000

VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR

Issued by MACK TRUCKS, INCORPORATED · Reported Dec 29, 1981 · 4,920 vehicles affected

What's wrong

WHEN THE IGNITION KEY IS IN THE "ON" POSITION AND THE HEATER IS OPERATING AT THE "LOW" OR "MEDIUM" SETTING, THE HEATER SWITCH WIRING WILL OVERLOAD IN THE EVENT THE HEATER MOTOR SEIZES.

Remedy

A SPEED VARIATION RESISTANCE UNIT AND AN ELECTRIC MOTOR MOISTURE PROTECTION CAP WILL BE INSTALLED WITHOUT CHARGE.

Vehicles affected by this recall

Make Model Year Units
MACK MS200P 1979 4,920
MACK MS200P 1980 4,920
MACK MS200P 1981 4,920
MACK MS300P 1979 4,920
MACK MS300P 1980 4,920
MACK MS300P 1981 4,920

Source: NHTSA Campaign 81V157000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.