Campaign 89V-186

Clamp load may not fully engage on the mating steering box splines due to manufacturing tolerances and/or the pinch bolt may not be properly torqued

Defect summary

THE CLAMP LOAD MAY NOT FULLY ENGAGE ON THE MATING STEERING BOX SPLINES DUE TO MANUFACTURING TOLERANCES AND/OR THE PINCH BOLT MAY NOT BE PROPERLY TORQUED.

Consequence

INADEQUATE TORQUE MAY RESULT IN SLIPPAGE AND POSSIBLESHAFT DISENGAGEMENT WITH LOSS OF STEERING CONTROL; THIS COULD RESULT IN ANACCIDENT.

Remedy

REPLACE STEERING SHAFT.

Notes

SYSTEM: STEERING SHAFTVEHICLE DESCRIPTION: TRANSIT BUSES.

Source: NHTSA ODI recalls file, campaign 89V186000. 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 89V-186
Make	Model	Model years	Complaints on this component
Flxible	870	1989	0
Flxible	Metro	1989	0

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

Investigation

This recall followed an NHTSA defect investigation

PE90010 STEERING LOSS
Opened Oct 23, 1989, closed Dec 15, 1989

90V-150 Aug 20, 1990
With approximately two threads engagement of steering wheel retaining nut with steering shaft, the steering wheel could separate from the steering…
87V-068 May 13, 1987
Steering column lower shaft may be too long allowing excessive thrust load to be applied to upper housing bearings and steering transfer box bearings
87V-066 May 13, 1987
Incorrect bolt may have been installed to retain the tilt steering column pivot bushings
86V-171 Dec 23, 1986
Incorrect lock washers may have been installed on the tilt steering column pivot bushing bolts and the column housing pivot may be misaligned
85V-009 Jan 31, 1985
Saginaw tilt steering column assembly has two pivot bushings and two mating retaining bolts