Service brakes, air: antilockRecall 85V-170 · Oshkosh vehicles
OSHKOSH TRUCK CORPORATION recall 85V-170 covers 430 Oshkosh vehicles for a service brakes, air: antilock problem, reported to NHTSA on December 23, 1985.
Source: NHTSA recall 85V170000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
AN ERROR IN THE INSTALLATION OF THE BRAKE AIR LINE RESULTED IN CONNECTING THE FRONT AND REAR AIR BRAKE SUPPLY TANKS IN SERIES WITHOUT A CHECK VALVE BETWEEN THEM. IF AN AIR LEAK DEVELOPS IN EITHER THE FRONT OR REAR BRAKE SYSTEM, BOTH TANKS WOULD BE DEPLETED OF AIR CAUSING BOTH BRAKE SYSTEMS TO BE INOPERATIVE. CONSEQUENCE OF DEFECT: A TRUCK WITHOUT INDEPENDENT FRONT AND REAR BRAKE SYSTEMS IS IN NONCOMPLIANCE WITH FMVSS 121, AIR BRAKE SYSTEMS, WHICH PROVIDES SUCH A SYSTEM TO REDUCE HIGHWAY ACCIDENTS.
The fix
REWORK PLUMBING FOR BRAKE LINES TO ENABLE FRONT BRAKE SYSTEMS TO BE INDEPENDENTLY FILLED AND PROTECTED FROM REAR BRAKE SYSTEM.
SYSTEM: AIR BRAKES, FMVSS 121.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from January 1, 1977 to December 1, 1985. Not every vehicle in these model years is included; check by VIN.