1979–1980 Mack R Recall

VEHICLES MAY BE QEUIPPED WITH TRACTOR PARK VALVE CONTROL KNOBS MANUFACTURED BY POLYFLEX CONTROLS THAT MAY BREAK AT THE KNOB RETAINING PIN HOLE LOCATION. THIS CONDITION WOULD RENDER THE TRACTOR PARK VALVE INOPERATIVE AND UNDER CERTAIN CONDITIONS COULD ALLOW AN UNATTENDED CHASSIS TO ROLLAWAY.

MACK R