Hyundai Sonata: Brake System / Brake Pedal Repair procedures

Removal

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

2.	Remove the crash pad lower panel. (Refer to Body - "Crash Pad")

3.	Remove the knee air bag. (Refer to Restraint - "Knee Airbag(KAB) Module")

4.	Disconnect the stop lamp switch connector (A), and than remove stop lamp switch.

5.	Pull down steering column shaft after removing bolts and nuts (Refer to - "Steering System - "Steering Column and Shaft")

Remove the brake pedal member mounting nut (A).

Tightening torque :

9.8 ~ 14.7 N.m (1.0 ~ 1.5 kgf.m, 7.2 ~ 10.8 lb-ft)

7.	Remove the snap pin (A) and clevis pin (B).

Remove the brake pedal member assembly mounting nuts and then remove the brake pedal assembly.

Tightening torque:

9.8 ~ 14.7 N.m (1.0 ~ 1.5 kgf.m, 7.2 ~ 10.8 lb-ft)

Inspection

1.	Check the bushing for wear.

2.	Check the brake pedal for bending or twisting.

3.	Check the brake pedal return spring for damage.

Installation

Installation is the reverse of removal.

•	Before installing the pin, apply the grease to the clevis pin.

•	Use a new snap pin whenever installing.

2.	Adjust the brake pedal height and free play.

3.	Check the brake pedal operation.

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

Components 1. Guide rod bolt2. Bleed screw3. Caliper bracket 4. Caliper body5. Inner pad shim6. Brake pad7. Pad retainer ...

Hyundai Sonata LF 2014-2019 Service Manual: Knee Airbag (KAB) Module Description and Operation
Description The Knee Airbag (KAB) is installed inside the crash pad lower panel and protects the driver in the event of a frontal crash. The SRSCM determines if and when to deploy the KAB. Never attempt to measure the circuit resistance of the airbag module (squib) ev ...