BLEEDING INSTRUCTIONS
Sect. 3 - USE AND MAINTENANCE
MGS corsa user's manual - page 3-35
Before proceeding, verify the following conditions:
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The master cylinder is above the hose (meaning the total length of the hose) and the brake calliper;
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The brake fluid reservoir is above the master cylinder;
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The calliper is oriented with the bleed valve at the uppermost position;
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The hose is routed smoothly with no "upside-down U-turns".
CAUTION
While bleeding the hydraulic circuit, top up reservoir with brake fluid as required. Make sure that there is
always some brake fluid in the reservoir throughout the process, see 3.1.1 (BRAKE FLUID).
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Place a shim between the pads to keep the pistons from falling out during the bleeding procedure.
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Slip the rubber cap (2) off the bleed valve (3).
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Insert one end of a transparent plastic tubing inside the rear brake calliper bleed valve (3) and the other end in a
container.
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Pump the rear brake lever quickly. Repeat several times, then keep the lever pulled in.
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Slacken the bleed valve (3) by one quarter of a turn to let the brake fluid drain into the container; this will remove
any tension from the lever and help it travel fully home.
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Retighten the bleed valve (3) before the lever is fully squeezed in.
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Repeat process until the fluid draining into the container is totally clear of air bubbles.
CAUTION
While bleeding the hydraulic circuit, top up reservoir with brake fluid as required. Make sure there is always
some fluid in the reservoir throughout the process.
•
Tighten the bleed valve (3) and remove the tubing.
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Add brake fluid to the reservoir until bringing fluid up to correct level.
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Refit the rubber cap (2).
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