Kia Optima: Brake System / Rear Brake Caliper

Kia Optima DL3 2019-2022 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.

Front Brake Disc
Components and components location Components 1. Front Brake Caliper 2. Front Brake Disc 3. Front Axle Repair procedures ...

Rear Brake Disc
Components and components location Components 1. Rear brake disc 2. Hub bearing assembly 3. Dust cover 4. Rear carrier Repai ...

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