NHTSA recall 98V175000
Steering › Hydraulic power assist › Pump
Orion V and 1 more
Reported Jul 31, 199852 vehicles affectedORION BUS INDUSTRIES, INC.Built Feb 3, 1998 – Jun 26, 1998
The defect
Vehicle description: transit buses equipped with sunsource/fauver tandem hydraulic pumps. the hydraulic piston pump IS driven by the engine and a shaft out of the back of the pump providing power to the power steering pump. the shafts are connected together with a coupling. this coupling IS fitted with two retainer clips which keeps it centered between the two pumps. these buses were shipped missing the coupling retainer clips.
The risk
Excessive movement of the coupling can disengage the two pump shafts, causing loss of power steering.
The remedy
Dealers are inspecting and retrofitting the couplings on these pumps.