Campaign 91V-159

Steering linkage (drag link) between the steering gear pitman arm and the steering arm on the axle may have been improperly fastened

Defect summary

THE STEERING LINKAGE (DRAG LINK) BETWEEN THE STEERING GEAR PITMAN ARM AND THE STEERING ARM ON THE AXLE MAY HAVE BEEN IMPROPERLY FASTENED.

Consequence

THE DRAG LINK COULD BECOME DISCONNECTED AT EITHER ENDWHICH RESULTS IN LOSS OF STEERING CONTROL AND THE POTENTIAL FOR AN ACCIDENT.

Remedy

INSTALL CORRECT PINS AND PROPERLY TIGHTEN THE CASTELLATED NUTS.

Notes

SYSTEM: STEERING.VEHICLE DESCRIPTION: BUSES, SCHOOL BUSES.

Source: NHTSA ODI recalls file, campaign 91V159000. 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 91V-159
Make	Model	Model years	Complaints on this component
Thomas	BUS	1990 to 1991	0
Thomas	School BUS	1990 to 1991	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.

00V-428 Dec 29, 2000
Vehicle description: school and transit buses equipped with air brakes and a trw steering gear
97V-177 Oct 20, 1997
Vehicle description: school and transit buses
97V-154 Sep 12, 1997
Vehicle description: transit buses
94V-172 Sep 7, 1994
Air compressor that drives the power steering pump can fail, resulting in loss of power steering assist
94V-143 Aug 1, 1994
Sudden hydraulic pressure loss during hard turns results in a momentary loss of power steering assist
93V-142-001 Oct 1, 1993
Cap screws that hold the intermediate steering linkages onto the input and output shafts of the 90 degree steering gear box were improperly…