KENWORTH L700 1983: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

General Information

NHTSA Campaign ID Number: 83V021000

Make Model Year
KENWORTH L700 1983
Date Owners Notified Date Received by ODI Date Added to Database
1983-02-09 1983-03-01 1983-03-16

Production Dates: 1982-01-01 - 1983-02-01

Manufacturers Involved: PACCAR Incorporated

Component: SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Potential Number Of Units Affected: 100

Report Initiator: MFR MFR Report

Regulation Part Number: 571

Federal Motor Vehicle Safety Standard Number: 121

Summary

THE REAR BRAKES MAY NOT RELEASE AS QUICKLY AS SPECIFICATIONS REQUIRE. CERTAIN TRUCKS WERE EQUIPPED WITH AN INCORRECT SIZE AIR BRAKE LINE INSTALLED BETWEEN THE REAR BRAKE RELAY VALVE AND THE AXLE TEE FITTING. THE CONDITION IS NOT IN COMPLIANCE WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD 121, "AIR BRAKE SYSTEMS".

Remedy

THE DEALER WILL REPLACE ANY INCORRECTLY SIZED HOSES WITH THE CORRECT PART AT NO CHARGE.

Notes

VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: SERVICE BRAKES; BRAKE HOSE.CONSEQUENCES OF DEFECT: THE INCORRECT HOSE DIAMETER MAY DELAY REAR BRAKERELEASE AND CAUSE BRAKE SYSTEM IMBALANCE. LOSS OF VEHICLE CONTROL MAY OCCUR ANDCOULD LEAD TO AN ACCIDENT.