F 150 4WD V8-5.4L Flex Fuel (2008)
Drive Belt: Description and Operation
Accessory Drive
4.2 With A/C
4.2L Without A/C
4.6L (2V) And 5.4L (3V)
The accessory drive system:
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has a single serpentine drive belt (6 ribs).
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has 2 idler pulleys - 4.2L.
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has 3 idler pulleys - 4.6L (2V) and 5.4L (3V).
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has an automatic belt tensioner.
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is not adjustable.
The accessory drive system provides power to operate components which power other systems. These could include components such as the generator,
power steering pump, and A/C compressor. Each of these components is equipped with a pulley which is driven by the accessory drive belt. The
accessory drive belt is driven by the engine crankshaft pulley. One or more idler pulleys may be provided to facilitate belt routing and alignment. The
