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NHTSA Campaign 80V052000

PARKING BRAKE:DRIVELINE:AIR

Issued by MACK TRUCKS, INCORPORATED · Reported May 6, 1980 · 9,666 vehicles affected

What's wrong

ON CERTAIN VEHICLES, THE KNOB THAT OPERATES THE TRACTOR PARK VALVE MAY BREAK OFF, RENDERING THE VALVE INOPERABLE.

Remedy

DEFECTIVE KNOBS WILL BE REPLACED WITH AN IMPROVED TYPE, WITHOUT CHARGE TO OWNER.

Vehicles affected by this recall

Make Model Year Units
MACK MC SERIES 1979 9,666
MACK MC SERIES 1980 9,666
MACK R SERIES 1979 9,666
MACK R SERIES 1980 9,666
MACK U SERIES 1979 9,666
MACK U SERIES 1980 9,666

Source: NHTSA Campaign 80V052000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.