Brake System

Specifications

~4min read

Service Data

Service Data

Item Specification
Master Cylinder Type Tandem
Cylinder Inner Diameter Ø 23.81 mm (0.937 in)
Piston Stroke 36 ± 1 mm (1.41 ± 0.039 in)
Fluid Level Sensor Provided
Brake booster Type 8+8" Tandem
Booster Ratio 9 : 1
Front Disc Brake (17 inch) Type Ventilated Disc
Rear Disc Ø 320 mm (12.60 in.)
Disc Thickness 28 mm (1.10 in.)
Caliper Piston Single
Cylinder Inner Diameter Ø 60.0 mm (2.36 in)
Front Disc Brake (18 inch) Type Ventilated Disc
Rear Disc Ø 350 mm (13.78 in)
Disc Thickness 30 mm (1.18 in)
Caliper Piston 4 pistons
Cylinder Inner Diameter Ø 44.0 mm (1.73 in) x 4
Rear Disc Brake (17 inch) Type Solid Disc
Rear Disc Ø 314.0 mm (12.36 in)
Disc Thickness 13 mm (0.51 in)
Caliper Piston Single
Cylinder Inner Diameter Ø 42.84 mm (1.67 in)
Rear Disc Brake (18 inch) Type Ventilated Disc
Rear Disc Ø 340 mm (13.38 in)
Disc Thickness 22 mm (0.87 in)
Caliper Piston 2 pistons
Cylinder Inner Diameter Ø 42.0 mm (1.65 in) x 2
Parking Brake Type DIH (Drum-in-Hat)
Activation 190 mm (7.48 in)

Specifications (ESP)

Part Item Standard Value NOTE
HECU System 4-Channel 4-Sensor (Solenoid) Full Control (ABS, EBD, TCS, ESP)
Type Motor, Integrated Valve Relay Type
Operating Voltage 10 - 16V
Operating Temperature (from -40°C to 125 °C)
Engine Power Non-FCA: 270 W
FCA: 370 W
Active wheel speed sensor Supply Voltage 4.5–20 V DC
Low Output Current 5.9–8.4 mA
High Output Current 11.8-16.8 mA
Output range 1 - 2500 Hz
Tone wheel Front 2WD: 52
Rear AWD: 48
Rear: 47
Air gap Front: 0.4–1.5 mm (0.01–0.05 in)
Rear: 0.4–1.5 mm (0.01–0.05 in)
Steering Wheel Angle Sensor Operating Voltage 8 - 16 V
Current Consumption Max. 150 mA
Output Measurement Range -780 - 799,9°
Operating Angular Rate 0 - 1016°/sec

Service Standard

Items Standard Value
Brake pedal height 184.31 mm (7.25 in)
Brake pedal full travel 103.6 mm (4.07 in)
Stop light switch clearance 1.0–2.0 mm (0.03–0.07 in)
Brake pedal free play 3.0–8.0 mm (0.12–0.31 in)
Front brake pad thickness 17 inch: 11.0 mm (0.43 in)
18 inch: 10.6 mm (0.41 in)
Front brake pad wear limit 2.0 mm (0.08 in)
Front brake disc thickness 17 inch: 28.0 mm (1.10 in)
18 inch: 30.0 mm (1.18 in)
Front brake disc minimum thickness 17 inch: 26.0 mm (1.02 in)
18 inch: 28.0 mm (1.10 in)
Rear brake pad thickness 17 inch: 9.0 mm (0.35 in)
18 inch: 10.6 mm (0.41 in)
Rear brake pad wear limit 17 inch: 2.0 mm (0.08 in)
18 inch: 2.8 mm (0.11 in)
Rear brake disc thickness 17 inch: 13.0 mm (0.51 in)
18 inch: 22.0 mm (0.86 in)
Rear brake disc minimum thickness 17 inch: 11.0 mm (0.43 in)
18 inch: 20.0 mm (0.79 in)

Tightening Torque

Tightening torque

Items N·m kgf·m lbf·ft
Master Cylinder to Brake Booster Nut 12,7 - 16,7 1,3 - 1,7 9,4 - 12,3
Master Cylinder Flare Nut 18,6 - 22,5 1,9 - 2,3 13,7 - 16,6
Brake booster mounting nuts 16,7 -22,5 1,7 - 2,3 12,3 - 16,6
Front Caliper Guide Rod Bolts (17 inch only) 21,6 - 31,4 2,2 - 3,2 15,9 - 23,1
Rear Caliper Guide Rod Bolts (17 inch only) 21,6 - 31,4 2,2 - 3,2 15,9 - 23,1
Bleeder screw 17 inch 6,9 - 12,7 0,7 - 1,3 5,1 - 9,4
18 inch 16,7 - 19,6 1,7 - 2,0 12,3 - 14,5
Front caliper assembly to steering knuckle Standard 78,5 - 98,1 8,0 - 10,0 57,9 - 72,3
Brembo 98,1 - 117,6 10,0 - 12,0 72,3 - 86,8
Rear caliper assembly to steering knuckle Standard 78,5 - 98,1 8,0 - 10,0 57,9 - 72,3
Brembo 98,1 - 117,6 10,0 - 12,0 72,3 - 86,8
Brake hose to caliper 24,5 - 29,4 2,5 - 3,0 18,1 - 21,7
Brake pedal bracket bolts 16,7 - 25,5 1,7 - 2,6 12,3 - 18,8
Brake Disc Screw 4,9 - 5,9 0,5 - 0,6 3,6 - 4,3
Wheel speed sensor mounting bolt 6,9 - 10,8 0,7 - 1,1 5,1 - 7,6
HECU Bracket Mounting Bolts 16,7 - 29,4 2,0 - 3,0 12,3 - 21,7
HECU Brake Tube Flare Nuts Wheel port (4 pcs.) 16,7 - 20,6 1,7 - 2,1 12,3 - 15,2
Main port (2 pcs.) 20,6 - 24,5 2,1 - 2,5 15,2 - 18,1

Lubricants

Lubricants

Items Recommended Quantity
Brake fluid DOT 3 or DOT 4 395 ± 20 cm³
Brake pedal bushing and bolt Chassis grease As required
Parking brake shoe and backing plate contact surface KAMOLI MS243 0.2 - 0.5 g

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