High-Pressure Test

2013 Mini Cooper Countryman, Standard TransSECTION High-Pressure Test
WARNING: This page is about a different car, the 2004 BMW Z4 and 2003 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Perform test on both brake circuits, front and rear.
  1. Unscrew bleeder screw, connect pressure tester and bleed. See Figure .
  2. Load brake pedal with a force of approximately 112 lbs. (500 N), and block pedal with pedal support.
  3. After 2 minutes, pressure must not drop by more than 8 percent.
  4. Perform low-pressure test. See LOW PRESSURE TEST  .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.