Power Steering System

DESCRIPTION





The power steering system consist of a steering column, steering gear and hydraulic pump. The gear is mounted to the frame rail and attaches to the steering linkage. The pump is a constant flow rate and displacement vane-type pump. The pump supplies hydraulic fluid pressure to the power steering gear.

Vehicles equipped with trailer tow option have a power steering pump oil cooler.

OPERATION
The gear acts as a rolling thread between the worm shaft and rack piston. The worm shaft is supported by a thrust bearing at the lower end and a bearing assembly at the upper end. When the worm shaft is turned from input from the steering column the rack piston moves. The rack piston teeth mesh with the pitman shaft. Turning the worm shaft, turns the pitman shaft, which turns the steering linkage.