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Home >> Kia >> 2008 >> Optima EX, 2.4 3 >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Brake System - General >> Specifications >> Notes
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Brake System - General: Specifications: Notes

GENERAL BRAKE SYSTEM SPECIFICATIONS CHART

Item Specification
Master cylinder  
Type Tandem type
I.D. 23.81 mm (0.937 in)
Piston stroke 30-31 mm (1.18-1.22 in)
Fluid level warning sensor Provided
Proportioning valve (CBS)  
Cut-in pressure (Split point) 35 kg/cm 2 (3.43 MPa, 497.8 psi)
Decompression ratio 0.32: 1
Brake booster  
Type Vacuum
Boosting ratio 9: 1
Front brake (Disc)  
Type Floating type with ventilated disc
Disc O.D. 280 mm (11.02 in)
Disc I.D. 172 mm (6.77 in)
Disc thickness 26 mm (1.02 in)
Pad thickness 11 mm (0.43 in)
Cylinder type Single piston
Cylinder I.D. ø57.2 mm (2.25 in)
Rear brake (Disc)  
Type Floating type with solid disc
Disc O.D. 262 mm (10.31 in)
Disc I.D. 185 mm (7.28 in)
Disc thickness 10 mm (0.39 in)
Pad thickness 10 mm (0.39 in)
Cylinder type Single piston
Cylinder I.D. ø34 mm (1.34 in)
Parking brake  
Actuation DIH (Drum In Hat)
Type Lever
Drum I.D. 168 mm (6.61 in)
NOTE: ABS: Anti-lock Brake System
CBS: Conventional Brake System