Focus ZX5 L4-2.0L DOHC VIN 3 (2002)
5. Remove and discard the piston seal.
6. Inspect the caliper piston and the piston bore for pitting or scoring and install a new piston as necessary.
Assembly
1. Lubricate the piston bore, piston seal and the caliper piston with high performance DOT 3 brake fluid meeting Ford specification.
2. NOTE: The caliper seal fits into a machined groove in the piston bore.
Install a new piston seal into the piston bore.
3. Install a new dust seal onto the caliper piston.
4. CAUTION: Do not scratch or damage the caliper piston when installing it into the caliper bore.
Install the caliper piston into the caliper bore.
5. Seat the dust seal.
