Hyundai i-30: Brake System / Master Cylinder

Hyundai i30 (PD) 2018-2024 Service Manual / Brake System / Brake System / Master Cylinder

Components and components location

Components

[LHD]

1. Reservoir cap
2. Reservoir
3. Brake booster

4. Master cylinder
5. Push rod

[RHD]

1. Reservoir cap
2. Reservoir
3. Brake booster

4. Master cylinder
5. Push rod

Repair procedures

Removal

[LHD]

1.	Turn ignition switch OFF and disconnect the negative (-) battery cable.

2.	Disconnect the brake fluid level switch connector.

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.

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)

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)

6.	Separate the reservoir by loosening the screw.

[RHD]

1.	Turn ignition switch OFF and disconnect the negative (-) battery cable.

2.	Disconnect the brake fluid level sensor connector (A).

3.	Disconnect the vacuum hose from the brake booster.

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.

5.	Remove the brake fluid hose from the reservoir. [M/T only]

Disconnect brake tube.

Tightening torque

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

ESP : 18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)

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)

8.	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)

Vacuum Pump

Components and components location Components [KAPPA PE 1.0, MHEV] 1. Vacuum pump assembly 2. Wiring bracket Components [NEW-U 1...

Brake Line

Components and components location Components Repair procedures Removal Brake Tube (Engine Room) [LHD] [RHD] 1...

Other information:

Hyundai i30 (PD) 2018-2024 Owner's Manual: Door, Bonnet, Tailgate open. Sunroof open

Door, Bonnet, Tailgate open This warning is displayed indicating which door, or bonnet, or tailgate is open. CAUTION Before driving the vehicle, you should confirm that the door/ bonnet/tailgate is fully closed. Also, check there is no door/ bonnet/tailgate open warning light or message displayed on the instrument cluster...

Hyundai i30 (PD) 2018-2024 Owner's Manual: Smart key precautions

The smart key may not work if any of the following occur: The smart key is close to a radio transmitter such as a radio station or an airport which can interfere with normal operation of the smart key. The smart key is near a mobile two way radio system or a mobile phone...