34 31 505 Removing and installing / replacing master brake cylinder for DSC: Notes
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Necessary preliminary tasks:
- Read and comply with GENERAL INFORMATION .
- Remove EXPANSION TANK .
- Remove BRAKE BOOSTER .
After completing repair work, bleed BRAKE SYSTEM WITH DSC .
IMPORTANT:
Before beginning work, fully press the brake pedal several times to reduce the vacuum pressure in the brake servo.
Set brake booster down on a suitable surface.
Release nuts (1) and withdraw brake master cylinder (2) from brake booster (3).
Installation note:
Replace self-locking nuts.
Tightening torque: see 1AZ in 34 31 MASTER BRAKE CYLINDER .
Installation note:
Replace sealing ring (1).
When inserting the brake master cylinder into the brake servo, make sure the pushrod of the brake servo and the brake master cylinder are in perfect alignment.