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Home >> Jaguar >> 2014 >> XK Base, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different car >> Section 58 (Brake System - General Information) >> Brake System - General Information >> Diagnostic Procedures >> Brake System >> Pinpoint Tests >> Pinpoint Test I: BRAKES DRAG

Pinpoint Test I: BRAKES DRAG

WARNING: This page is about a different car, the 2011 Jaguar XKR, 2011 Jaguar XK, 2010 Jaguar XKR, and 2010 Jaguar XK. However, it is still accessible from the selected car via links, so may be relevant.
  1. ROAD TEST VEHICLE 
    1. Road test the vehicle and apply the brakes.

    Are the brakes functioning correctly? 

    YES:  Vehicle is OK.

    NO:  Go to step  2.

  2. CHECK BRAKE CALIPERS 
    1. Check the front caliper pistons and pins for binding, leaking or sticking. Refer to Brake Caliper - Vehicles With: Standard Brakes information. Check the rear caliper pistons and pins for binding, leaking or sticking. and Refer to Brake Caliper - Vehicles With: Standard Brakes information.

    Do the disc brake caliper pistons and pins bind, leak or stick? 

    YES:  INSPECT the brake calipers and parking brake cables. INSTALL new components as necessary. Test the system for normal operation. Road test vehicle if necessary.

    NO:  Go to step  3.

  3. CHECK BRAKE BOOSTER 
    1. Check the brake booster connecting rod alignment and travel.

    Is the connecting rod OK? 

    YES:  Vehicle is OK.

    NO:  INSTALL a new brake booster. Refer to Brake Booster - RHD and Brake Booster - LHD information. TEST the system for normal operation.

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