PARKING BRAKE
Sep 21, 1999
2,497 units potentially affected
The defect: VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPED WITH BOSCH 9" X 3" PARKING BRAKE, SPRING ACTUATED, FOR HYDRAULIC LESS AIR SOURCE AND ACTUATED BY PARKING BRAKE KNOB IN INSTRUMENT PANEL. THE PARKING BRAKE HOSE CHAFES AT VARIOUS POINTS THROUGH THE ROUTING OF THE HOSES TO AND FROM THE HAND CONTROL VALVE.
The risk: THE PARKING BRAKE WILL AUTOMATICALLY APPLY IF PRESSURE IS LOST DUE TO A RUPTURED PARK BRAKE HOSE INCREASING THE RISK OF A VEHICLE CRASH.
The remedy: DEALERS WILL INSTALL A HOSE ROUTING KIT TO PREVENT CHAFING AND REPLACE ALL CHAFED HOSES.