Recalls › 94V143000

NHTSA recall 94V143000

Steering › Hydraulic power assist system

Thomas Saf-T-Liner and 1 more

Reported Aug 1, 19941,150 vehicles affectedTHOMAS BUILT BUSES, INC.Built Aug 1, 1992 – Jun 1, 1994

The defect

A sudden hydraulic pressure loss during hard turns results in a momentary loss of power steering assist. The pressure loss occurs when the hydraulically driven engine cooling fan turns off in the turn.

The risk

The driver reacts to the loss of power steering assist by oversteering, which could result in a vehicle accident.

The remedy

The hydraulic control valves will be replaced with valves of a new design. Until such time as parts are available, owners will be instructed to disconnect the fan cutoff switch so that hydraulically driven fans will run full time, eliminating the pressure spike.

Official recall at NHTSA ↗

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Vehicles in this recall

Thomas Saf-T-Liner
199219931994
Thomas Transit Liner
199219931994

Notes

System: engine cooling system; fan.vehicle description: rear engine transit buses equipped with caterpillar 3116, cummins 6C 300 hp, or hercules CNG engines.note: if your vehicle IS presented to an authorized dealer on an agreed upon service date and the remedy IS not provided within a reasonable time free of charge or the remedy does not correct the defect, please contact thomas built at 1-910-889-4871. Also, contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.