Campaign 88V-160

Steering arm may fail if used on eaton efa12f4 from axle in conjunction with ross hfb70 power steering gear

Defect 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.

Source: NHTSA ODI recalls file, campaign 88V160000. Text as published by NHTSA.

Vehicles covered

2 product lines are covered

Owner complaints filed with NHTSA about steering on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 88V-160
Make	Model	Model years	Complaints on this component
Freightliner	COE	1984 to 1988	0
Freightliner	Conventional	1984 to 1988	0

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

07V-592 Dec 21, 2007
On certain trucks equipped with trw steering gears, models tas85 and rcs85, these steering gears contain potentially defective sector shafts with…
07V-570 Dec 10, 2007
On certain motor home chassis built using inline power steering filters, part no. 14-16829-000, the filter can plug due to failure of the screen…
07V-403 Sep 6, 2007
On certain trucks equipped with rack and pinion steering, the ball socket assembly at the inner end of the driver side tie rod may be damaged in a…
07V-400 Sep 5, 2007
On certain trucks equipped with rack and pinion steering, the tie rod arms may have been incorrectly installed
07V-394 Aug 30, 2007
On certain school bus and motor home chassis, improper pinch bolt installation may result in decoupling of the steering shaft and a loss of steering
07V-357 Aug 13, 2007
On certain trucks built with a trw global adjustable upper steering column, two upper tilt plate bolts may loosen with use and fall out