Brake system of the car Hyundai Sonata 3

Technical characteristics of the brake system
Master brake cylinder Inner diameter - 25.4 mm Brake Fluid Level Sensor - Yes Brake booster Type - Vacuum Front brake Type - Disc with floating bracket and ventilated...

Tightening torques for connections
Nut for fastening the master brake cylinder to the booster - 13.6-21.7 Brake booster mounting nut - 21-28 Brake cylinder hose fastening - 15-18 Drain plug (front) - 7-13...

Working fluid and lubricant
Component Recommended fluid or lubricant Brake fluid DOT 3 or equivalent Brake pedal bushing and bolt Grease SAE J310, NLGI No.0 Pin with head and hole for cotter pin...

Possible malfunctions of the brake system

Adjusting the brake pedal
1. Pedal height Height from top of pedal to floor "A" - 176 mm If the pedal height is not as required, adjust it using the following recommendations. 1) Pull back the...

Checking the operation of the brake booster
A simplified method for checking the operation of the brake booster is to perform the following operations. 1. Let the engine run for 1 or 2 minutes and then turn it...

Bleeding the brake system
1. Unscrew the brake reservoir cap and fill it with brake fluid. Warning: Do not allow brake fluid to come into contact with painted surfaces of the vehicle. Rinse the...

Adjusting the travel of the parking brake lever
1. Press the brake pedal 20 times with a force of about 196 N. 2. Pull the parking brake lever towards you with a force of approximately 196 N and count the number of...

Brake pedal

Master brake cylinder

Brake booster
Note: The brake booster must not be disassembled. It is a non-serviceable component.

Brake line
Dosing valve The proportioning valve must not be disassembled. This valve distributes pressurized brake fluid to the front and rear brakes, preventing slippage in the...

Front Disc Brake — Removal, Checking and Installation
Replacing brake pads If the front brake mechanism squeals while the vehicle is moving and braking, check the brake linings. Removal 1. Remove the wheel with the tire. 2....

Brake caliper assembly — removal, disassembly, inspection, assembly and installation
Removal 1. Remove the wheel with the tire. 2. Remove the brake hose from the brake caliper. 3. Remove the brake caliper assembly after removing the plate. Disassembly 1....

Rear Drum Brake — Removal, Checking and Installation
Removal 1. Remove the wheel and tire, and then remove the brake drum. 2. After unscrewing the nut, remove the rear hub together with the brake drum. 3. Remove both...

Rear disc brake

Brake linings
Removal 1. Remove the ring. 2. Remove the screw that holds the driven brake shoe key to the mounting plate. 3. Loosen the adjusting nut of the parking brake cable. 4....

Disc brake caliper
Disassembly 1. Loosen the bracket mounting bolts and remove the bracket assembly. 2. Loosen the bolt and remove the shoe together with the brake lining. 3. Remove the...

Parking brake
Removal 1. Remove the main shield. 2. Remove the cable adjuster, pin, equalizer and nut holder. 3. Disconnect the parking brake warning switch. 4. Remove the parking...

Anti-lock braking system — general information
Anti-lock Brake System Control Module (ABSCM) Operating voltage range: 9.0-16.2 V Power consumption - 150 mA Controller fuse - 10A Operating temperature range: from -40...

Anti-lock braking system — tightening torques for connections
Sensor mounting bolt Front - 8-9.5 Rear - 15.5-16.5 Hydraulic block mounting bolt - 17-26 Hydraulic Block Bracket Bolt - 17-26 Six pipelines on the hydraulic block -...

Components of the anti-lock braking system

Anti-lock braking system — ABS modulator and relay
Removal and installation 1. Remove the air cleaner. 2. Disconnect the harnesses of the ABS relay unit, pump with drive and modulator. 3. Disconnect the brake system...

Anti-lock Brake System — Wheel Speed Sensor — Removal and Testing
Removal and inspection 1. Disconnect the wheel speed sensor connector and remove the bolts. 2. Connect an ammeter between the terminals of the wheel speed sensor and...

Anti-lock braking system — bleeding the brake system
1. Remove the reservoir cap and fill it with brake fluid. Note: When bleeding with pressurized fluid, do not press the brake pedal back down. 2. Connect the PVC tube to...

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