OSHKOSH V715 1980: SERVICE BRAKES, AIR:ANTILOCK

General Information

NHTSA Campaign ID Number: 85V170000

Make Model Year
OSHKOSH V715 1980
Date Owners Notified Date Received by ODI Date Added to Database
1985-12-16 1985-12-23 1986-01-14

Production Dates: 1977-01-01 - 1985-12-01

Manufacturers Involved: Oshkosh Corporation

Component: SERVICE BRAKES, AIR:ANTILOCK

Potential Number Of Units Affected: 430

Report Initiator: MFR MFR Report

Regulation Part Number: 573

Federal Motor Vehicle Safety Standard Number: 121

Summary

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.

Remedy

REWORK PLUMBING FOR BRAKE LINES TO ENABLE FRONT BRAKE SYSTEMS TO BE INDEPENDENTLY FILLED AND PROTECTED FROM REAR BRAKE SYSTEM.

Notes

SYSTEM: AIR BRAKES, FMVSS 121.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS.