Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMINI2013COOPER COUNTRYMAN, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 135 (BRAKES - REPAIR)TESTINGSERVICE BRAKELOW-PRESSURE TEST
2013 Mini Cooper Countryman, Standard Trans
Low-Pressure Test
2013 Mini Cooper Countryman, Standard TransSECTION Low-Pressure Test
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 BMW M5, 2003 BMW 540i, 2003 BMW 530i, 2003 BMW 525i, and 2002 BMW M5. 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.
- Unscrew vent plug, connect pressure tester and vent. See Fig 1.
- Load brake pedal with a force of 30-72 psi (2-5 bar), and block pedal with pedal support. Vehicle and measuring equipment must remain perfectly still as vibrations will distort the result.
- Pressure should remain constant during five minute test.
- Check all rubber parts in case of excessive pressure drop.
- Bleed brake calipers and wheel brake cylinders after finishing test.
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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.