Kia Optima DL3 Quiz
Brake System

Front Brake Disc

In this manual: Brake System
General Information — 8Advanced Driver Assistance System (ADAS) — 21Maintenance — 27Engine Mechanical System — 45Engine Electrical System — 11Emission Control System — 11Engine Control System/Fuel System — 25Automatic Transmission — 20Drive Shaft and Axle — 7Suspension System — 22Steering — 7Restraints — 11Brake System — 22Body (Interior and Exterior) — 116Body Electrical System — 90Heating, Ventilation, and Air Conditioning — 32
17steps
~107min
5/5difficulty
1special tools
0102030405031.423N·mlb·ft
Tightening torque found on this page
Done 0 of 17

Components and Component Location

Components

1. Front Brake Caliper
2. Front Brake Disc


3. Front Axle



Repair Procedures

Removal

  1. Disconnect the negative (-) battery cable.

  2. Remove the front wheel and tire.

    (See Suspension System — Wheel)

  3. Loosen the guide pin bolt, then rotate the caliper body (A) upward.

    Tightening torque: 21.6–31 N·m

  4. Remove the brake pad (A).

  5. Remove the pad retainer (A).

  6. Remove the caliper support (A) by loosening the caliper mounting bolts.

    Tightening torque: 98.1–118 N·m

  7. Remove the front brake disc (A) by loosening the screws.

    Tightening torque: 4.9–5.8 N·m

Inspection

Inspect Front Brake Disc Thickness

  1. Inspect the brake disc for damage and cracks.

  2. Remove all rust and contaminants from the surface and measure the disc thickness at no fewer than 8 points at equal distances (5 mm) from the outer edge of the brake disc.

    Front brake disc thickness

    - 16 inch Standard: 25 mm (0.98 in.)

    - 16 inch Service Limit: 23 mm (0.90 in.)

    - 17 inch Standard: 30 mm (1.18 in.)

    - 17 inch Service Limit: 28 mm (1.10 in.)

    - Deviation: Less than 0.005 mm (0.0002 in.)

  3. If wear exceeds the service limit, replace the discs and pads as a set, left and right of the vehicle.

Inspect Front Brake Disc Runout

  1. Position the dial indicator approximately 5 mm (0.20 in.) from the outer edge of the brake disc and measure the disc runout.

    Brake disc runout Limit: 0.040 mm (0.0016 in.) or less (new)

  2. If brake disc runout exceeds the limit, replace the disc, then measure the runout again.

  3. If the runout is not more than the limit, install the brake disc by rotating it 180°, then check the brake disc runout again.

Installation

  1. Install in the reverse order of removal.

  2. Use SST (09581-11000) when installing the brake caliper assembly.

  3. After installation, bleed the brake system.

    (Refer to Brake System - "Brake Bleeding Procedures")

  4. Check for brake fluid leakage and pedal condition.

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.