United States 93V191000
FREIGHTLINER LLC
The problem
THE HEATER/DEFROSTER DOOR CAN BECOME STUCK IN THE HEATER MODE DUE TO THE DOOR OVER-TRAVELING THE DOOR STOP, IMPEDING THE DEFROSTER PORTION OF THE SYSTEM FROM WORKING.
Risk
IF THIS OCCURS, AND THE WINDSHIELD BECOMES FOGGED, ITWILL IMPAIR THE DRIVER'S VISION OF THE ROAD AND TRAFFIC, WHICH MAY CAUSE ANACCIDENT.
What owners should do
DEALERS WILL INSTALL A POSITIVE DOOR STOP.
Units 1800