LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2009 >> Taurus X SEL, FWD >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Brake System - General Information >> Diagnostic Tests >> Brake System >> Pinpoint Tests >> Pinpoint Test D: Vibration When the Brakes are Applied >> Pinpoint Test D: Vibration When The Brakes Are Applied

Pinpoint Test D: Vibration When The Brakes Are Applied

  1. D1 ROAD TEST THE VEHICLE - LIGHT BRAKING 
    • Road test the vehicle. Warm the brakes by slowing the vehicle from 80 to 32 km/h (50 to 20 mph) using light brake force. At highway speeds of 89-97 km/h (55-60 mph), apply the brake using light pedal force.
    • Is there a vibration/shudder felt in the steering wheel, seat or brake pedal? 
    1. YES  : Go to  D3.
    2. NO  : Go to  D2.
  2. D2 ROAD TEST THE VEHICLE - MODERATE TO HEAVY BRAKING 
    • Road test the vehicle. At highway speeds of 89-97 km/h (55-60 mph), apply the brake using a moderate to heavy pedal force.
    • Is there a vibration/shudder? 
    1. YES  : Go to  D3.
    2. NO  : The concern is not present at this time.
  3. D3 CHECK ABS OPERATION 
    • Road test the vehicle and apply the brakes on a dry, firm surface, then apply the brakes on a wet, snowy or loose surface (such as gravel).
    • Is the vibration/shudder only present on a wet, snowy or loose surface? 
    1. YES  : This is a normal operating condition of the ABS.
    2. NO  : Go to  D4.
  4. D4 CHECK THE FRONT SUSPENSION 
    1. YES  : Go to  D5.
    2. NO  : REPAIR or INSTALL new components as necessary. TEST the system for normal operation.
  5. D5 RESURFACE THE FRONT BRAKE DISCS 
      NOTE: Do not use a bench lathe to machine the brake discs. A bench lathe may cause brake disc on-vehicle lateral runout and brake roughness.
      NOTE: Follow the brake lathe manufacturer's instructions to machine the brake discs. After machining, make sure the brake disc meets the thickness specification.
    • Resurface the front brake discs. Refer to Brake Disc Machining .
    • Road test the vehicle.
    • Is the vibration/shudder present? 
    1. YES  : Go to  D6.
    2. NO  : The concern has been repaired.
  6. D6 CHECK THE REAR SUSPENSION 
    1. YES  : RESURFACE the rear brake discs. REFER to Brake Disc Machining .
    2. NO  : REPAIR or INSTALL new components as necessary. TEST the system for normal operation.
scientia non olet · About LEMON Manuals