Kia Optima Hybrid: Parking Brake System / Parking Brake Assembly Repair procedures

Removal
Parking Brake Pedal
1.
Turn ignition OFF and disconnect the negative (-) battery cable.
2.
Remove the crash pad lower panel and reinforcing panel. (Refer to the Body group - crash pad)
3.
Remove the junction box. (Refer to the Body Electrical System group - Fuses and Relays)
4.
Disconnect the parking brake switch connector (A).

5.
Remove the parking brake cable mounting nut (A).

6.
Remove the parking brake pedal mounting bolts (A) and nuts (B).

7.
Remove the parking brake cable adjusting nut (A) and the fixing clip (B), and then remove the parking brake pedal.

8.
Remove the floor console.
(Refer to the Body group - Console)
9.
Remove the shift lever assembly. (Refer to the Automatic Transaxle group - shift lever)
10.
Remove the paring brake cable (B) after removing the cable retainer (A).

11.
Remove the parking brake cable fixing clip (A) and bolts (B). And then remove the front parking brake cable.

12.
Raise the vehicle, and make sure it is securely supported.
13.
Remove the parking brake cable (B) after removing the fixing clip (A).

14.
Loosen the parking brake cable bracket bolts and remove the rear parking brake cable.
Parking Brake Shoe
1.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the rear tire and wheel.
3.
Remove the rear brake caliper and Rear disc brake.
(Refer to "Rear disc brake removal")
4.
Remove the parking brake cable (B), after removing the fixing clip (A).

5.
Loosen the hub assembly mounting bolts (A), and then remove the hub assembly and parking brake assembly.

6.
Remove the adjuster assembly (B) and the lower return spring (A).

7.
Remove the upper return spring (C) operating lever assembly (D).

8.
Remove the shoe hold down pin (A) and the spring (B) by pressing and rotating the spring.

9.
Remove the brake shoes (C).
Installation
Parking Brake Shoe
1.
Install the shoe hold down pin (A) and spring (B) by pressing and rotating the spring.

2.
Install the operating lever assembly (D) and the upper return spring (C).

3.
Install the adjuster assembly (B) and the lower return spring (A).

4.
Install the hub assembly and the parking brake assembly, and then install mounting bolts (A).

5.
Install the parking brake cable (B), and then install the fixing clip (A).

6.
Install the rear brake disc, then adjust the rear brake shoe clearance.
(1)
Remove the plug from the disc.
(2)
Rotate the toothed wheel of adjuster by a screw driver until the disc is not moving, and then return it by 7~8 notches in the opposite direction.
7.
Install the brake caliper assembly.
(Refer to "Rear brake installation")
8.
Install the tire and wheel, after installing the plug on the disc.
9.
If the parking brake shoe or the brake disc are replaced a newly one, perform the brake shoe bed-in procedure.
(1)
While operating the parking brake lever for 98N (10kgf, 22lbf) effort, drive the vehicle 500 meters (0.31 miles) at the speed of 60kph (37 mph).
(2)
Repeat the above procedure more than three times.
(3)
Must be held on 30% uphill.
   
After adjusting parking brake, notice following matter;
1)
Must be free from troubles when the parking pedal is operated at 980.6 N (100 kgf, 220 lbf).
2)
Check that all parts move smoothly.
3)
The parking brake indicator lamp must be on after the parking pedal is worked and must be off after the pedal is released.
Parking Brake Pedal
1.
Install the parking brake cable.
2.
Install the shift lever assembly.
(Refer to the Automatic Transaxle group - "Shift lever")
3.
Install the floor console.
(Refer to the Body group - "Console")
4.
Install the holding clip (B) and the cable adjusting nut(A) after fixing the parking brake cable.

5.
Install the parking brake pedal, and then install the parking brake pedal mounting bolts (A) and nuts (B).

Tightening torque:
9.8 ~ 14.7 N.m (1.0 ~ 1.5 kgf.m, 7.2 ~ 10.8 lb-ft)

6.
Adjust the parking brake pedal stroke by turning the adjusting nut (A).
(1)
Operate the parking brake pedal through a full stroke over 3 times for setting the parking cables.

(2)
Adjust the adjusting nut (A) for parking brake pedal stroke 4~5notches when operating effort is 196N(20kgf.44lb).
   
1)
The parking brake adjustment must be carried out after adjusting the rear shoe.
2)
After adjusting parking brake, notice following matter.
a.
Must be free from clearance between adjusting nut and pin.
b.
Check securely that the brake is not dragging.
7.
Reconnect the parking brake switch connector (A).

8.
Install the junction box.
(Refer to the Body Electrical System group - "Fuses and Relays")
9.
Install the reinforcing panel and crash pad lower panel.
(Refer to Body group - "Crash pad")
Adjustment
Parking Brake Shoe Clearance Adjustment
1.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the rear tire and wheel.
3.
Remove the plug (A) from the disc.

4.
Rotate the toothed wheel of adjuster by a screw driver until the disc is not moving, and then return it by 7~8 notches in the opposite direction.
5.
Install the rear wheel & tire after installing the plug on the disc.
Parking Brake Pedal Stroke Adjustment
1.
Operate the parking brake pedal through a full stroke over 3 times for setting the parking cables.
2.
Adjust the adjusting nut(A) for parking barke pedal stoke 4~5 notches when operating effort is 196N(20kgf, 44lbf)

   
1)
The parking brake adjustment must be carried out after adjusting the rear shoe.
2)
After adjusting parking brake, notice following matter.
a.
Must be free from clearance between adjusting nut and pin.
b.
Check securely that the brake is not dragging.
Parking Brake Assembly Components and Components Location

Components (1) 1. Parking brake pedal2. Parking brake cable3. Equalizer assembly Components (2) 1. Backing plate2. Operating lever3. Upper spring4. Lower spring5. Adjuster6. Shoe hold down spring7. Shoe ...

Electric Parking Brake (EPB) Components and Components Location

Components 1. EPB Unit2. EPB Switch3. Brake Caliper 4. EPB Warning Lamp5. AUTO HOLD Lamp ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Troubleshooting


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Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Engine And Transaxle Assembly Repair procedures


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