OFFICIAL NHTSA RECALL
93V070000
Service Brakes, Air
Reported Apr 26, 1993 · FREIGHTLINER CORP.
Summary
THE EXHAUST PORT IN THE UP POSITION ALLOWS WATER TO ENTER THE AIR BRAKE SYSTEM, WHICH CAN BLOCK THE AIR BRAKE SYSTEM IN FREEZING CONDITIONS.
Consequence
BLOCKAGES IN THE AIR BRAKE SYSTEM CAN BLOCK THE EXHAUSTFROM THE BRAKE CHAMBERS AFTER SERVICE BRAKE APPLICATION, CAUSING THE BRAKES TODRAG AND POSSIBLY OVERHEAT ON EITHER SIDE OF THE DRIVE AXLES. THIS COULDINCREASE STOPPING DISTANCE AND RESULT IN A VEHICLE ACCIDENT.
Remedy
INVERT THE BRAKE VALVES SO THE EXHAUST PORTS ARE DOWN.
Notes
SYSTEM: BRAKES.VEHICLE DESCRIPTION: HEAVY TRUCKS WITH TRACTION CONTROL THAT HAVE CROSSMEMBERMOUNTED BRAKE VALVES POSITIONED WITH THE EXHAUST PORT UP.
This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.
Vehicle entries in this campaign
This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗