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Using the 10mm spanner, ‘crack o’ the nipple about half of a turn.
Ask your assistant to pump the pedal a few times. You should see bubbly fluid flowing through the
pipe. When the bubbles die down, ask them to hold the pedal down, then tighten the nipple back up.
Check and top of the fluid level in the reservoir as necessary.
Ask them to lift o, then pump it a couple of times, then press the pedal down and hold it down.
Crack o the nipple again and let the fluid and bubbles flow. It will stop flowing as soon as your
assistant has run out of brake pedal travel. Tighten the nipple.
Repeat steps 8 and 9 until you get 100% bubble free fluid passing through the pipe, remembering to
check and top up the reservoir. You will waste quite a lot of brake fluid during this process.
Once you are satisfied that there are no more bubbles (no more air in the caliper), then you can
remove the washer hose and refit the dust cover.
Repeat steps 5 to 10 for the remaining brakes in this order, right rear next, then right front and lastly
left front. The front brake nipples use an 11mm spanner.
Although tedious, getting all the air out of the braking system is important and will give you a good,
firm brake pedal, which is what you need; not a soft spongy one like you have in a regular car. You
may need to repeat the whole process after the first drive or two (or even after the car has had a ride
on a trailer); air in the braking system is very good at hiding.
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