Expedition 4WD V8-5.4L VIN 5 (2006)
3. Using the special tools, install the dust boot.
4. CAUTION: Be careful not to damage or dislodge the piston seal.
CAUTION: Insert the caliper piston squarely into the caliper bore.
Install the caliper piston.
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Place the brake caliper in a vise.
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Place the piston squarely against the dust boot.
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While applying shop air into the brake caliper, push the piston squarely into the brake caliper bore.
5. Install the disc brake caliper.