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4A-2 HYDRAULIC BRAKES Check Dirty or Lack of Fluid Air in Brake System Faulty Brake Booster Poor Contact of Pad or Lining Oil or Grease on Pad Faulty Auto Adjuster Over Heated Rotor Due to Dragging Pad or Lining Clogging Brake Line Faulty Proportioning Valve Check Incorrect Tire Pressure Between Left and Right Poor Contact of Pad or Lining Oil or Grease is Applied to Pad or Lining Bent or Uneven Wear of Drum Incorrectly Mounted Wheel Cylinder Faulty Auto Adjuster Action Repair Retighten Replace Replace Repair Repair Lubricate Retighten Check Incorrectly Mounted Back Plate or Caliper Loosened Bolt of Back Plate or Caliper Crack or Uneven Wear of Brake Drum or Disc Pad or Lining Sticking to Contact Surface Excessive Clearance Between Caliper and Pad Uneven Contact of Pad Lack of Lubrication Loosened Suspension DIGNOSIS NOISE OR VEHICLE VIBRATION WHEN APPLIED BRAKE PULLS TO ONE SIDE WHEN BRAKING Action Adjust Repair Replace Replace Repair Replace Action Replenish or Replace(Check eventual leakage) Bleeding Replace Repair Replace Replace Repair Repair Repair POOR BRAKING ( If low cut-in : Adjust ) ( If Leakage : Replace ) |