Hyundai Elantra: Brake System / Master Cylinder Repair procedures

Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the battery.
(Refer to Engine Electrical System - "Battery")
3.
Remove the ECM (A).

4.
Loosen the mounting bolts (A) and then remova the ECM bracket (B).

5.
Disconnect the brake fluid level switch connector.

6.
Remove the wiring fixed clip.

7.
Remove the brake fluid from the master cylinder reservoir 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.
8.
Remove the clutch brake hose (A). [M/T Only]

9.
Disconnect the brake tube (A) from the master cylinder by loosening the tube flare nut.

Tightening torque:
ESP : 18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 16.6 lb-ft)
ABS : 12.7 ~ 16.7 N.m (1.3 ~ 1.7 kgf.m, 9.4 ~ 12.3 lb-ft)

10.
Remove the master cylinder from the brake booster after loosening the mounting nuts (A).

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

11.
Separate the reservoir by loosening the screw.

Installation
1.
To install, reverse the removal procedure.
2.
After installing, bleed the brake system.
(Refer to Brake System -"Brake System Bleeding")
(Refer to Brake system - "ABS System Bleeding)
(Refer to Brake system - "ESP System Bleeding)
Master Cylinder Components and Components Location
Components 1.Reservoir cap2. Reservoir3.Reservoir4. Grommet5. Master cylinder ...

Brake Line Components and Components Location
Components [DISC TYPE] [DRUM TYPE] ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Rear Seat Cushion Cover Components and Components Location
Component Location 1. Rear seat cushion cover ...

Hyundai Elantra AD (2016-2020) Service Manual: Front Door Module Components and Components Location
Component Location 1. Front door module ...

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