Sonata V6-2.7L (2004)
5. Using a screwdriver, remove the piston seal carefully so as not to damage the cylinder wall.
6. Clean the outer surface of the piston and the inner surface of the cylinder with the specified brake fluid.
INSPECTION
1. Check the caliper body cylinder inner surface for wear, damage and/or corrosion.
2. Check the piston for wear, damage and/or corrosion.
3. Check the caliper body and sleeve for wear.
4. Check pads for deformation, metal backing for damage, and for oil on the pads.
5. Check the wear indicator for damage.
6. Inspect the brake disc using a dial indicator and micrometer. Machine or replace as necessary.
7. If necessary, replace the brake disc.
1) Jack the vehicle up and support it with jack stands.
2) Remove the wheel and tire.
3) Remove the front wheel brake assembly from the knuckle and suspend it with a wire.
4) Remove the front disc from the hub.
HOW TO CHECK FRONT DISC RUNOUT AND THICKNESS
FRONT BRAKE DISC RUNOUT CHECK
