MARMON 86P 1988: SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

General Information

NHTSA Campaign ID Number: 90V079000

Make Model Year
MARMON 86P 1988
Date Owners Notified Date Received by ODI Date Added to Database
1990-05-08 1990-04-24 1990-04-30

Production Dates: 1988-07-01 - 1989-07-01

Manufacturers Involved: MARMON MOTOR COMPANY

Component: SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

Potential Number Of Units Affected: 315

Report Initiator: OVSC OVSC Report

Regulation Part Number: 571

Federal Motor Vehicle Safety Standard Number: 121

Summary

LOW AIR WARNING PRESSURE SWITCH MAY NOT ACTIVATE THE WARNING SIGNAL UNTIL PRESSURE HAS DROPPED TO 55 PSI, RATHER THAN AT THE REQUIRED 60 PSI.

Consequence

DRIVER WOULD NOT RECEIVE PROPER WARNING OF LOW AIR PRESSURE IN AIR BRAKE SYSTEM AND THIS CONDITION COULD RESULT IN A VEHICLE CRASH; ALSO, VEHICLE WOULD NOT COMPLY WITH FMVSS 121.

Remedy

REPLACE INAPPROPRIATE AIR WARNING PRESSURE SWITCHES.

Notes

SYSTEM: AIR BRAKES; LOW AIR PRESSURE WARNING SWITCH - FMVSS 121.VEHICLE DESCRIPTION: CLASS 8 TRUCKS AND TRUCK TRACTORS.