Brake System
Special Service Tools
Special Service Tools
| Tool Name/Number | Illustration | Description |
| Piston Spreader 09581-11000 |
 |
Front Disc Brake Piston Compression |
Brake Bleeding Procedures
Adjustment
Brake Bleeding
Make sure the brake fluid in the reservoir is filled to the MAX (upper) level line.
Have someone slowly depress the brake pedal several times, then apply pressure.
Loosen the bleeder screw of the rear right brake (A) to allow air to escape from the system. Then tighten the bleeder screw securely.
[Normal Brake]
Front
Rear
[Brembo Brake]
Front
Rear
Repeat the procedure for all wheels in the sequence shown below until no more air bubbles appear in the fluid.
[Normal Brake]
[Brembo Brake]
Fill the master cylinder reservoir to the MAX (upper) level mark.
ESP Brake Bleeding System
Follow this procedure to ensure proper air bleeding and filling of the ESP unit, brake lines and master cylinder with brake fluid.
Remove the reservoir cap and fill the reservoir with brake fluid.
Connect a clear plastic tube to the wheel cylinder bleeder screw and insert the other end of the tube into a clear plastic bottle half-filled with brake fluid.
Connect the KDS to the data link connector located under the instrument panel.
Select and follow the instructions on the KDS screen.
Select the vehicle model name.
Select the ABS/ESP system.
Select the HCU air bleeding mode.
Depress the brake pedal several times, then loosen the bleeder screw to bleed air until fluid flows out without bubbles. Then close the bleeder screw (A).
[Normal Brake]
Front
Rear
[Brembo Brake]
Front
Rear
Repeat step 5 in the sequence shown below until no air bubbles remain in the fluid for each wheel.
[Normal Brake]
[Brembo Brake]
Tighten the bleeder screw.
Bleeder screw tightening torque:
17 inch: 6.9–12.7 N·m
18 inch: 16.7–19.6 N·m
Troubleshooting
Troubleshooting
Symptom Table
Use the table below to find the cause of the problem. The numbers indicate the priority of the likely cause.
Check each part in order.
If necessary, replace these parts.
| Symptom | Possible Cause | Countermeasure |
| Low or Spongy Pedal | Brake System (Fluid Leak) | Repair |
| Brake System (Air Intrusion) | Bleeding Procedure | |
| Piston Seal (Worn or Damaged) | Replace | |
| Rear Brake Shoe Clearance (Incorrect Adjustment) | Adjust | |
| Master Cylinder (Malfunction) | Replace | |
| Brake Drag | Brake Pedal Free Travel (Minimum) | Adjust |
| Parking Brake Cable Length (Adjustment Problem) | Adjust | |
| Parking Brake Cable (Seized) | Repair | |
| Rear Brake Shoe Clearance (Adjustment Problem) | Adjust | |
| Lining and Backing Plate (Twisted or Cracked) | Replace | |
| Piston (Trapped) | Replace | |
| Piston (Seized) | Replace | |
| Anchor or Return Spring (Malfunction) | Replace | |
| Brake Booster (Vacuum Leak) | Repair | |
| Master Cylinder (Malfunction) | Replace | |
| Uneven Braking | Piston (Trapped) | Replace |
| Lining and Backing Plate (Oil Stains, Cracks or Warpage) | Replace | |
| Heavy Pedal Effort and Brake Problems | Brake System (Fluid Leak, Air Intrusion) | Perform the Bleeding Procedure |
| Brake Shoe or Lining (Worn) | Replace | |
| Pad Shim or Backing Plate (Cracked or Twisted) | Replace | |
| Rear Brake Shoe Clearance (Adjustment Problem) | Adjust | |
| Pad Shim or Backing Plate (Oil Stain) | Replace | |
| Pad Shim or Backing Plate (Slippery) | Replace | |
| Disc (Scored) | Replace | |
| Brake Booster (Vacuum Leak) | Repair | |
| Brake noise | Pad Shim or Backing Plate (Cracked or Twisted) | Replace |
| Loose Wheel Bolt and Caliper | Adjust | |
| Pad Sliding Problems (Uneven Pad Wear) | Replace | |
| Lining or Backing Plate (Dirty) | Cleaning | |
| Pad Shim or Backing Plate (Slippery) | Brake Pad Replacement | |
| Anchor or Return Spring (Malfunction) | Replace | |
| Brake Pad Shim (Damaged) | Replace | |
| Retaining Spring (Damaged) | Replace | |
| Foreign Object Caught Between Disc and Pad | Cleaning | |
| Corrosion on Disc | Brake Road Test and Cleaning * Remove friction corrosion by performing a brake road test |
|
| Cave-in Disc | Replace | |
| Brakes Not Fully Effective (at high driving speed) |
Brake Shoe or Lining (Worn) | Replace |
| Master Cylinder (Malfunction) | Replace | |
| Brake Vibration | Brake Booster (Vacuum Leak) | Repair |
| Pedal Free Separation | Adjust | |
| Master Cylinder (Malfunction) | Replace | |
| Master Cylinder Cap Damaged | Replace | |
| Brake Line Damaged | Replace | |
| Caliper Return Problem (while wheel rotates, check for noise) | Replace | |
| Converted Disc | Replace |
Test yourself
A quick Kia Stinger CK quiz: every answer comes with an explanation and a link to the manual page.