When high pressure fluid from the power steering pump enters a steering rack, it is routed through âspool valvesâ connected to the steering column. When the driver turns the steering wheel, the spool valves open ports that direct pressure to a hydraulic chamber around the rack.
Johnson is a surname of English origin. The name itself is a patronym of the given name John, literally meaning son of John.The name John derives from Latin Johannes, which is derived through Greek á¼°ÏÎ¬Î½Î½Î·Ï IÅannÄs from Hebrew ×××× × Yohanan, meaning Yahweh has favoured.he name itself is a patronym of the given name John, literally meaning son of John. The name John derives from Latin Johannes, which is derived through Greek á¼°ÏÎ¬Î½Î½Î·Ï IÅannÄs from Hebrew ×××× × Yohanan, meaning Yahweh has favoured.
Lincoln is the transferred use of an old English surname with Celtic/Welsh etymological roots. The origin of the surname comes from a place name, specifically the city of Lincoln, county town of Lincolnshire.incoln, which is also a widely used male name in America in homage to this great man, is a surname of Celtic origin meaning lake settlement. A woman of history in her own right, the very vivacious and impulsive Mary Todd Lincoln was Abe's First Lady.