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4R70W used in: Ford F-150 Heritage (sold only in Mexico) 4R75E used in all applications: 2006-2011 Ford Panther platform Cars: Ford Crown Victoria, Mercury Grand Marquis, and Lincoln Town Car. 2007-2008 4.2 L V6, 2007-2010 4.6 L 2 Valve V8, 2004-2008 5.4 L 3 Valve V8 Ford F-Series except F-150 Heritage (sold only in Mexico) 2006 Ford Expedition
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The shift pattern refers to the layout of the gears. In a typical manual transmission car, first gear is located to the left, and forwards. In many trucks and some sports cars it is instead in a "dog leg" position, to the left and rearwards. There is usually a spring-loading to return the stick to the central position.
The blue valve body is visible in-line with the pipe. The valve actuator opens or closes the butterfly disc of the valve based on electrical signals sent to the actuator. Another valve actuator is visible in the background, with windows to indicate the valve position. A valve actuator is the mechanism for opening and closing a valve. Manually ...
The base 4.6 L Triton V8 engine was dropped for the 2005 model year as the 5.4 L Triton V8 was made standard on all Expeditions and updated with 24-valve technology and variable valve timing. The Expedition also received a significantly updated version of the four-speed 4R70W automatic transmission.
This was provided to allow engine braking on downhills or prevent the use of overdrive gears when towing and was typically achieved using positions such as "3", "2", and "1" on the gear selector. An automatic transmission with a manumatic function provides a greater level of control by allowing the driver to request an upshift or downshift at a ...
A secondary function of this cable is to down-shift ("kick down") to a lower gear when the Throttle Valve is in the full stop position (throttle pedal is fully depressed) and road speed is below a set point regulated by a mechanical governor on the output shaft. The hydraulic control system consists of a valve arrangement and an engine driven pump.
With traditional fixed valve timing, an engine will have a period of "valve overlap" at the end of the exhaust stroke, when both the intake and exhaust valves are open. The intake valve is opened before the exhaust gases have completely left the cylinder, and their considerable velocity assists in drawing in the fresh charge. Engine designers ...