Hyundai Elantra: ABS(Anti-Lock Brake System) / ABS Control Module Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Brake System / ABS(Anti-Lock Brake System) / ABS Control Module Repair procedures

Removal

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

2.	Pull up the lock of the HECU connector (A) , then disconnect the connector.

Remove the brake fluid from the master cylinder reservoir with a syringe.

•	Be sure to completely remove foreign substances from around brake fluid reservoir and cap before opening the reservoir cap. If not, it may cause contamination of brake fluid and deterioration in braking performance.

•	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 tubes from the HECU by unlocking the nuts counterclockwise with a spanner.

Tightening torque:

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

5.	Disconnect connectors and then remove the bracket.

Loosen the HECU bracket bolts (A), then remove HECU and bracket.

Tightening torque :

16.7 ~ 25.5 N.m (1.7 ~ 2.6 kgf.m, 12.3 ~ 18.8 lb-ft)

Remove the 3 bolts, then remove the bracket from HECU.

Tightening torque :

7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)

Installation

1.	To install, reverse the removal procedure.

2.	Tighten the HECU mounting bolts and nuts to the specified torque.

3.	After installation, bleed the brake system. (Refer to ABS - "ABS System Bleeding")

ABS Control Module Components and Components Location

Components 1. Front - right tube2. Rear - left tube3. Rear - right tube4. Front - left tube5. MC SEC 6. MC PRI7. ABS control module(HECU)8. Bracket ...

Front Wheel Speed Sensor Components and Components Location

Components 1. Front wheel speed sensor2. Front wheel speed sensor connector ...

Other information:

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Hyundai Elantra AD (2016-2020) Service Manual: Rear Seat Belt Buckle Repair procedures
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