NHTSA recall campaign
81V157000
ManufacturerMACK TRUCKS, INCORPORATEDReported1981-12-29Affected4,920 vehicles
What was wrong
Defect
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.
Manufacturer remedy
A SPEED VARIATION RESISTANCE UNIT AND AN ELECTRIC MOTOR MOISTURE PROTECTION CAP WILL BE INSTALLED WITHOUT CHARGE.
To check whether your specific VIN is covered and to find a participating dealer, look this campaign up on NHTSA.gov →