Parking brake: conventional: mechanical: linkage and cable
Manufacturer
FREIGHTLINER CORPORATION
Vehicles affected
548
Reported to NHTSA
2002-04-10
Defect description
ON CERTAIN TRUCKS EQUIPPED WITH MERITOR BRAND 12" X 4" DCM DRUM PARKING BRAKE, THE BOLTS USED TO ATTACH THE PARKING BRAKE ASSEMBLY TO THE FLANGE YOKE ARE TOO LARGE AND CAN INTERFERE WITH THE PROPER ENGAGEMENT OF THE BRAKING SYSTEM AND POSSIBLY DISENGAGE.
Safety risk
IMPROPER ENGAGEMENT OF THE PARKING BRAKE COULD RESULT IN THE VEHICLE ROLLING AWAY WITHOUT PRIOR WARNING POSSIBLY RESULTING IN PERSONAL INJURY OR DEATH.
Manufacturer remedy
DEALERS WILL REPLACE THE ATTACHING BOLTS WITH THE CORRECT SIZE BOLTS FREE OF CHARGE. OWNER NOTIFICATION IS EXPECTED TO BEGIN DURING OCTOBER 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT FREIGHTLINER AT 1-800-547-0712.
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS AND SCHOOL BUS CHASSIS BUILT WITH BENDIX AIR ABS WITH AN EC-17 1030R ELECTRONIC CONTROL UNIT (ECU), THERE HAVE BEEN REPORTS OF UNWANTED ABS ACTIVATION AT LOW SPEEDS CAUSED BY 1) CHAFED ABS WHEEL SPEED SENSOR WIRES ON ROTATING PARTS OR 2) A DAMAGED COMPONENT AT THE WHEEL END THAT GENERATES A CERTAIN TYPE OF ERRATIC SENSOR SIGNAL.
Safety risk
THIS CONDITION COULD CAUSE THE ABS ECU TO EXHAUST THE AIR AT THE AIR BRAKE MODULATORS FOR ONE OR MORE OF THE WHEELS. THIS COULD RESULT IN EXTENDED BRAKING DISTANCES AND A POSSIBLE CRASH.
Manufacturer remedy
DEALERS WILL REPLACE THE ABS ECU.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
No complaints recorded for this model year.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.