Optima V6-2.7L VIN 8 (2006)
1. Detach the brake tubes from the master cylinder, and then install the plugs.
CAUTION: Do not let brake fluid remain on a painted surface. Wash it off immediately.
2. Remove the master cylinder mounting nuts, and then lift out the master cylinder.
DISASSEMBLY
1. Remove the reservoir cap and drain the brake fluid into a suitable container.
2. Remove reservoir from the master cylinder.
NOTE: When bleeding by pressurized fluid, do not press the brake pedal.
3. Using snap ring pliers, remove the retaining ring.
4. Remove the cylinder pin (ABS only).
5. Remove the primary piston assembly.
6. Using a screwdriver, push the secondary piston all the way down and remove the cylinder pin (ABS only). Remove the secondary piston assembly.
INSPECTION
1. Inspect the cylinder bore for rust or scoring.
2. Inspect the master cylinder for wear or damage. If necessary, clean or replace the cylinder.
NOTE:
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If bore is damaged, replace the master cylinder assembly. Do not attempt to bone bore.
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Clean the master cylinder body with isopropyl alcohol to remove any contamination.
ASSEMBLY
1. Apply genuine brake fluid to the rubber parts of the cylinder kit and grommets.
2. Carefully insert the two springs and pistons straight in.
