Bleeding the slave cylinder
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Bleeding the slave cylinder
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The gearbox must first be removed from the vehicle. If the gearbox is still in the car, see
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1.
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Attach a clean 8 mm transparent plastic hose, approx. 450 mm long, to the delivery pipe connection on the slave cylinder.
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2.
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Press the release bearing to the bottom once and then release it. The slave cylinder seat will remain at its inner position.
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3.
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Fill the plastic hose with brake fluid to a height of approx. 350 mm.
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4.
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Connect pressure/vacuum pump 30 14 883 to the plastic hose. Use 6 mm plastic hose (this is used because it makes a tight fit).
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5.
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Pump up pressure until the slave cylinder seal moves outwards and the brake fluid drains into the slave cylinder. The pressure increases when the seal has reached its outer end position.
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6.
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Remove the pressure/vacuum pump and slowly press in the release bearing until it stops. Observe the air bubbles in the plastic hose.
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7.
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Repeat points 5 and 6 several times until no air bubbles are visible in the hose.
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8.
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Leave the slave cylinder seal at its inner position. Drain and remove the plastic hose.
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