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) Owners Manual: Recommended Cold Tire Inflation Pressures
All tire pressures (including the spare) should be checked when the tires are cold. "Cold tires" means the vehicle has not been driven for at least three hours or driven less than one mile (1.6 km). Warm tires normally exceed recommended cold tire pressures by 4 to 6 psi (28 to 41 k ...

Hyundai Elantra AD (2016-2020) Service Manual: Fuel Filter Repair procedures
Removal 1. Remove the fuel pump. (Refer to Fuel Delivery System - "Fuel Pump") 2. Disconnect the electric pump wiring connector (A) and the fuel sender connector (B). 3. Remove the head assembly (A) after releasing the cushion fixing hooks. 4. Disconnect the fuel tube quick-connect ...

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