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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System - General Information (Except HEV) >> Specifications >> Notes

Brake System - General Information (Except HEV): Specifications: Notes

Item Specification
Master cylinder 
Type Tandem
Cylinder I.D. Ø 22.22 mm (0.874 in)
Piston stroke 45 ± 1 mm (1.77 in ± 0.87 in)
Fluid level switch Provided
Brake booster 
Type 11.0" Single
Boosting ratio 10.5: 1
Front brake 16 inch (Disc) 
Type Ventilated disc
Disc O.D. Ø 305 mm (12.00 in)
Disc thickness 25 mm (0.98 in)
Cylinder type Single
Cylinder I.D. Ø 60.6 mm (2.38 in)
Front brake 18 inch (Disc) 
Type Ventilated disc
Disc O.D. Ø 345 mm (13.58 in)
Disc thickness 30 mm (1.18 in)
Cylinder type Single
Cylinder I.D. Ø 60.6 mm (2.38 in)
Rear brake 15 inch (Disc)/Foot pedal parking brake type 
Type Solid disc
Disc O.D. Ø 284 mm (11.18 in)
Disc thickness 10 mm (0.39 in)
Cylinder type Single
Cylinder I.D. Ø 38.15 mm (1.50 in)
Rear brake 15 inch (Disc)/Electirc parking brake type 
Type Solid disc
Disc O.D. Ø 284 mm (11.18 in)
Disc thickness 10 mm (0.39 in)
Cylinder type Single
Cylinder I.D. Ø 38.00 mm (1.49 in)
Rear brake 17 inch (Disc)/Electirc parking brake type 
Type Solid disc
Disc O.D. Ø 325 mm (12.79 in)
Disc thickness 12 mm (0.87 in)
Cylinder type Single
Cylinder I.D. Ø 38.00 mm (1.49 in)
Parking brake 
Type BIR (Ball-in-Ramp)/Electric parking brake
Actuation Foot pedal type/Electric type