Contents Wiring diagrams Section: Mechanical - Hydraulic All sections

Brake System - General: Other Kia Optima II

SERVICE STANDARD

ItemStandard value
Standard value
Brake pedal height171 mm (6.73 in)
Brake pedal stroke128 mm (5.04 in)
Adjustable brake pedal stroke76.2 +/- 2 mm (3.00-0.08 in)
Stop lamp switch outer case to pedal stopper clearance0.5-1.0 mm (0.02-0.04 in)
Brake pedal free play3-8 mm (0.11-0.31 in)
Booster push rod to master cylinder piston clearance0 (at 500 mmHg vacuum)
Parking brake lever stroke when lever assembly is pulled with 235N (24Kg, 53lb force)8 clicks
Front disc brake pad thickness11 mm (0.43 in)
Front disc thickness26 mm (1.02 in)
Rear disc brake pad thickness15 mm (0.59 in)
Rear disc brake disc thickness10 mm (0.4 in)
Rear brake lining thickness4.3 mm (0.17 in)

SERVICE STANDARDS CHART

LUBRICANT

ItemRecommended lubricantQuantity
Brake fluidDOT 3As required
Brake pedal bushing and brake pedal boltChassis greaseAs required
Parking brake shoe and backing plate contact surfacesBearing greaseAs required
Caliper guide rod bolt and bootRX-2 grease0.8-1.3 g
Rear caliper guide rod bolt and bootRubber grease0.8-1.3 g

LUBRICANT CHART