Hyundai Sonata: Brake System / Brake Line Repair procedures

Removal
1.
Disconnect the brake fiuid level switch connector, and remove the reservoir cap.
2.
Remove the brake fluid from the master cylinder reservior with a syringe.
   
Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water.
3.
Remove the wheel & tire.
4.
Disconnect the brake tube by loosening the tube flare nut (B).

Tightening torque:
12.7 ~16.7 N.m (1.3 ~1.7 kgf.m, 9.4 ~12.3 lb-ft)

Front

Rear

5.
Remove the brake hose clip (A).
6.
Disconnect the brake hose from the brake caliper by loosening the bolt (C).

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

[Front]

[General]

[EPB]

Inspection
1.
Check the brake tubes for cracks, crimps and corrosion.
2.
Check the brake hoses for cracks, damage and fluid leakage.
3.
Check the brake tube flare nuts for damage and fluid leakage.
4.
Check brake hose mounting bracket for crack or deformation.
Installation
1.
Installation is the reverse of removal.
   
Use a new washer (A) whenever installing.

2.
After installation, bleed the brake system.
(Refer to Brake System - "Brake System Bleeding")
(Refer to ABS - "ABS System Bleeding")
(Refer to ESP (Electronic Stability Program) System - "ESP System Bleeding")
3.
Check the spilled brake oil.
Brake Line Components and Components Location
Components ...

Brake Pedal Components and Components Location
Components 1. Brake member assembly2. Stop lamp switch3. Bolt4. Return spring5. Brake pedal assembly6. Locking plate ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Stop Signal Electronic Module Schematic Diagrams
System Circuit Diagram Terminal Function TeminalDescription1Ground 2HAC/DBC Signal (Active Low)3ESS Signal (Active Low)4Stop lamp5Stop lamp switch6ECU/ SMK7ESS Signal (Active High)8Battery ...

Hyundai Sonata LF 2014-2019 Service Manual: Battery Description and Operation
Description [AGM Battery] AGM battery is used for especially heavy load on the vehicle network depending on equipment and requirements. AGM stands for Absorbent Glass Material Battery; that is absorbent glass fibre fleece. AGM batteries are fitted in models with electrical loads/consumers ...

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