Published: 11-May-2011

2007.0 Range Rover Sport (LS), 206-03

Front Disc Brake (G553455)

DIAGNOSIS AND TESTING
Overview

The front disc brake system is a fairly straightforward design requiring no specialized techniques for diagnosis.

For information on the description and operation of the system: REFER to: Front Disc Brake (206-03 Front Disc Brake, Description and Operation).

Inspection and Verification
  1. Verify the customer concern.
      • If a road test is necessary make sure the vehicle is safe to do so.
  1. Visually inspect for obvious mechanical faults.

Visual inspection

Mechanical
  • Brake caliper(s) condition and fitment
  • Brake pad(s) condition and fitment
  • Brake disc(s) condition and fitment
  • Fluid leaks
  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the symptom chart.

Symptom Chart

SymptomPossible causesAction
Brake noise
  • Debris
  • Brake pads
  • Brake discs
Inspect for debris, remove as necessary. Check for excessive brake pad wear. Check for brake disc damage. REFER to: Brake Pads - Vehicles Without: Brembo Brakes (206-03 Front Disc Brake, Removal and Installation) / Brake Pads - Vehicles With: Brembo Brakes (206-03 Front Disc Brake, Removal and Installation).
Brake vibration
  • Suspension components
  • Brake discs
Check for worn or damaged suspension components. REFER to: Front Suspension (204-01 Front Suspension, Diagnosis and Testing). Check for brake disc distortion or runout. REFER to: Front Brake Disc Runout Check - Vehicles With: Standard Brakes (206-00 Brake System - General Information, General Procedures) / Front Brake Disc Runout Check - Vehicles With: High Performance Brakes (206-00 Brake System - General Information, General Procedures).