Expedition 4WD V8-4.6L SOHC VIN 6 (1997)
Compressor/Pump: Description and Operation
The air compressor assembly:
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Consists of the compressor and vent solenoid; neither are replaceable as individual items.
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Is mounted in the engine compartment between the washer fluid bottle and headlamp (RH front corner).
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Is a single cylinder electric motor driven unit that provides pressurized air as required.
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Is powered by a solid state relay, controlled by the control module.
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Passes pressurized air through the compressor air drier that contains silica gel (a drying agent). Moisture is then removed from the compressor air
drier when vented air passes out of the system during vent operation.
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The compressor air drier may be replaced separately.
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Incorporates a silencer for noise reduction; may be replaced separately.
