FREIGHTLINER COE 1988: STEERING:LINKAGES

General Information

NHTSA Campaign ID Number: 88V160000

Make Model Year
FREIGHTLINER COE 1988
Date Owners Notified Date Received by ODI Date Added to Database
1989-01-30 1988-10-11 1988-10-18

Production Dates: 1984-02-01 - 1988-09-01

Manufacturers Involved: FREIGHTLINER LLC

Component: STEERING:LINKAGES

Potential Number Of Units Affected: 92

Report Initiator: MFR MFR Report

Summary

STEERING ARM MAY FAIL IF USED ON EATON EFA12F4 FROM AXLE IN CONJUNCTION WITH ROSS HFB70 POWER STEERING GEAR.

Consequence

A FAILED STEERING GEAR ARM COULD LEAD TO LOSS OF VEHICLECONTROL AND VEHICLE CRASH.

Remedy

INSTALL A NONADJUSTABLE 1500 PSI POWER STEERING PUMP PRESSURE RELIEF VALVE TO LIMIT STEERING ARM FORCES. REPLACE STEERING ARM WITH A DESIGN CAPABLE OF WITHSTANDING HIGHER FORCES. ADJUST MAXIMUM POPPET VALVE SETTINGS TO 500 PSI AND ADJUST AXLE STOPS.

Notes

SYSTEM: STEERING.VEHICLE DESCRIPTION: LONG CONVENTIONAL AND HCOE TRUCKS EQUIPPED WITH EATONEFA12F4 FRONT AXLE AND ROSS HFB70 STEERING GEAR.