Since Ford is replacing the entire engine lineup for the 2011 F-150 pickup trucks, it has apparently decided not to reinstall at least one component that is usually bolted to those engines: the hydraulic power steering pump. According to, the updated models will be the first full-size trucks to use electric power steering (EPAS) almost across the board.

Previously, the only full-size trucks equipped with EPAS were the General Motors two-mode hybrid pickups and SUVs. These machines powered the system from the 42 volts available as an off-shoot of the high-voltage battery. All F-150s powered by the 3.7-liter V6, 3.5-liter Ecoboost and 5.0-liter V8 will use the on-demand, electric motor-driven steering assist in place of the traditional, always-on hydraulic system. Only the specialty Raptor and Harley-Davidson models with the larger, heavier 6.2-liter V8 will retain the old system. EPAS is expected to contribute a fuel efficiency improvement of up to four percent thanks to the reduced parasitic losses.


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