Expedition 2WD V8-281 4.6L VIN W EFI (1997)
Brake Caliper: Description and Operation
The front disc brake caliper:
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Is a pin slider, dual piston type.
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Has two caliper pistons.
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The caliper housing has a fluid inlet at the center of the bore. A square section seal fitted into an annular groove in the caliper cylinder bore seals
against hydraulic pressure, while rubber boots seal the caliper pistons and caliper bore from contamination.
