FRUEHAUF UNSPECIFIED 1977: SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING)

General Information

NHTSA Campaign ID Number: 77V051000

Make Model Year
FRUEHAUF UNSPECIFIED 1977
Date Owners Notified Date Received by ODI Date Added to Database
1977-04-27 1977-04-12 1979-10-12

Production Dates: 1976-08-01 - 1977-08-01

Manufacturers Involved: FRUEHAUF CORPORATION

Component: SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING)

Potential Number Of Units Affected: 140

Report Initiator: MFR MFR Report

Regulation Part Number: 571

Federal Motor Vehicle Safety Standard Number: 121

Summary

THE INVOLVED VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". THE S121 BOGIE CONTROL AIR BRAKE SYSTEM WAS INSTALLED IN SUCH A WAY THAT THE REAR AXLE AIR CONTROL BYPASSED THE FRONT SKID CONTROL AIR MODULATOR VALVE. IMPROPER INSTALLATION WOULD ALLOW THE REAR AXLE TO LOCK UP IN A PANIC STOP.

Remedy

THE DEALER WILL REROUTE THE BRAKE AIR CONTROL LINES TO THE REAR AXLE OF THE BOGIE THROUGH THE FRONT SKID CONTROL AIR SYSTEM TO COMPLY WITH THE SAFETY STANDARD.

Notes

VEHICLE DESCRIPTION: FREIGHT TRAILERS.SYSTEM: SERVICE BRAKES; AIR PIPING, REAR AXLE.CONSEQUENCES OF DEFECT: IF THE REAR AXLE LOCKS UP, LOSS OF VEHICLE CONTROL ANDAN ACCIDENT COULD RESULT.