Power Steering - Power-Assisted Recirculating Ball: Description
NOTE:
Models 230 and 240D may have power steering as optional equipment. Power steering is standard equipment on all models listed above.
Power steering is composed of power steering pump and steering gear. Power steering pump is engine driven vane type with control valve, which supplies fluid pressure to steering gear. Steering gear has integral piston/steering nut. Fluid pressure to each side of piston/steering nut is controlled by a control valve which is actuated by a lever from steering column shaft.