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Home >> Jaguar >> 2010 >> XFR >> Repair and Diagnosis >> External Pages >> Different car >> Section 150 (Brake System - General Information -- XF/X250) >> Brake System - General Information >> Diagnosis And Testing >> Brake System >> Pinpoint Tests >> Pinpoint Test E: The Pedal Goes Down Fast

Pinpoint Test E: The Pedal Goes Down Fast

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2015 Jaguar XFR-S, 2015 Jaguar XFR, 2015 Jaguar XF, 2014 Jaguar XFR-S, and 2014 Jaguar XFR. However, it is still accessible from the selected car via links, so may be relevant.
  1. E1: ROAD TEST VEHICLE 
    1. Road test the vehicle and apply the brake pedal.

    Is the brake pedal effort and brake pedal travel normal?

    • Yes  : No action required, vehicle is OK.
    • No  : GO to   E2 . 
  2. E2: CHECK BRAKE PEDAL TRAVEL-PRESSURIZE SYSTEM 
    1. Pump the brake pedal rapidly (five times).

    Does the brake pedal travel build up and then hold?

    • Yes  : Bleed the brake system.

      Refer To: Brake System Bleeding  (- General Information, General Procedures).

      Re-test the system for normal operation.

    • No  : GO to   E3 . 
  3. E3: CHECK FOR BRAKE SYSTEM LEAKS 
    1. Check for external brake system leaks. For additional information, refer to brake master cylinder component test in this section.

    Is there a leak present?

    • Yes 

      Repair as necessary, add fluid and bleed brake system.

      Refer To: Brake System Bleeding  (- General Information, General Procedures).

      Re-test the system for normal operation.

    • No  : No action required, system is OK.