Kia Optima DL3: Brake System / Rear Brake Caliper

Kia Optima DL3 2019-2026 Service and Repair Manual / Brake System / Brake System / Rear Brake Caliper

Components and components location

Components
[EPB Apply]

1. EPB Actuator
2. Caliper body
3. Caliper carrier
4. Pad retainer
5. Brake pad

[EPB None Apply]

1. Caliper body
2. Guide rod pin
3. Guide rod boot
4. Caliper carrier
5. Pad retainer
6. Brake pad

Repair procedures

Removal

[EPB Apply]

1.

Release the parking brake.
2.

Before removing the rear caliper, perform “Brake Pad Replacement Mode” using the KDS.
3.

Select C2 (Release) on the screen below.
4.

Disconnect the (-) battery terminal.
5.

Remove the rear wheel and tire.

(Refer to Suspension System - "Wheel")

6.

Disconnect the EPB actuator connector (A).
7.

Remove the hose after loosening the brake hose bolt (A) from the caliper.

Tightening torque :

24.5 - 29.4 N.m (2.5 - 3.0 kgf.m, 18.1 - 21.7 lb-ft)

  

Brake hose washer (A) must use the new one.
8.

Remove the caliper body (A) after loosening the guide rod bolt.

Tightening torque :

21.6 - 31.4 N.m (2.2 - 3.2 kgf.m, 15.9 - 23.1 lb-ft)

9.

Remove the brake pad (A).
10.

Remove the pad retainer (A).
11.

Remove the caliper carrier (A) after loosening the caliper mounting bolt.

Tightening torque :

78.5 - 98.1 N.m (8.0 - 10.0 kgf.m, 57.9 - 72.3 lb-ft)

  

Caliper carrier mounting bolts must use the new one.

[EPB None Apply]

1.

Release the parking brake.
2.

Disconnect the (-) battery terminal.
3.

Remove the rear wheel and tire.

(Refer to Suspension System - "Wheel")

4.

Disconnect the parking cable (A) after remove the parking brake cable fixing clip.
5.

Loosen the brake hose bolt (A) from the caliper seperate the brake hose.

Tightening torque :

24.5 - 29.4 N.m (2.5 - 3.0 kgf.m, 18.1 - 21.7 lb-ft)

  

Brake hose washer (A) must use the new one.
6.

Remove the caliper body (A) after loosening the guide rod bolt.

Tightening torque :

21.6 - 31.4 N.m (2.2 - 3.2 kgf.m, 15.9 - 23.1 lb-ft)

7.

Remove the brake pad (A).
8.

Remove the pad retainer (A).
9.

Remove the caliper carrier (A) after loosening the caliper mounting bolt.

Tightening torque :

78.5 - 98.1 N.m (8.0 - 10.0 kgf.m, 57.9 - 72.3 lb-ft)

  

Caliper carrier mounting bolts must use the new one.
Installation
1.

Install in the reverse order of removal.
2.

Use a SST (09580-0U000) when installing the brake caliper assembly.

  
•

Be careful not to tilt the piston when inserting the piston.
•

Do not apply excessive force when inserting the piston.
•

Rotate the piston slowly to prevet damage to the piston boot.

3.

After installation, bleed the brake system.

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

4.

Apply the parking brake several times and check for normal operation.

  

With EPB : After installing the rear caliper, perform “Brake Pad Replacement Mode” using the KDS.

(Refer to Parking Brake System - "Electronic Parking Brake (EPB)")

Without EPB : After disassembling/assembling the caliper body or replacing the brake caliper, parking brake cable or brake disc, re-adjust the parking brake.

(Refer to Parking Brake System - "Parking Brake Cable")

5.

Check the spilled brake oil.
6.

Apply the parking brake several times and check for normal operation.

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