MARMON CHDT SERIES 1985: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

General Information

NHTSA Campaign ID Number: 89V209000

Make Model Year
MARMON CHDT SERIES 1985
Date Owners Notified Date Received by ODI Date Added to Database
1989-12-28 1989-11-29 1989-12-05

Production Dates: 1973-11-01 - 1989-10-01

Manufacturers Involved: MARMON MOTOR COMPANY

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

Potential Number Of Units Affected: 3970

Report Initiator: MFR MFR Report

Regulation Part Number: 571

Federal Motor Vehicle Safety Standard Number: 106

Summary

NON-DOT "PUSH-ON" TYPE HOSES WERE USED IN CERTAIN ACCESSORY NON-BRAKE AIR SYSTEMS, WITHOUT ISOLATION OF THAT SYSTEM BY A CHECK VALVE, PRESSURE PROTECTION VALVE, OR OTHER MEANS OF SYSTEM SEPARATION.

Consequence

TRUCKS DO NOT COMPLY WITH FMVSS 106; THERE COULD BE ANUNCHECKED LOSS OF AIR PRESSURE IN THE BRAKES THAT COULD RESULT IN THE LOSS OFSERVICE BRAKES AND TRUCK CONTROL.

Remedy

INSTALL PRESSURE PROTECTION VALVE"S" IN THE AIR SYSTEM TO ISOLATE ALL ACCESSORY AIR LINES FROM THE BRAKE SYSTEM.

Notes

SYSTEM: AIR BRAKE HOSES / FMVSS 106VEHICLE DESCRIPTION: COMVENTIONAL AND COE TRUCKS.