34 33 071 Replacing vacuum hose for brake booster
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IMPORTANT:
Before beginning repair work, fully press the brake pedal several times to reduce the vacuum pressure in the brake booster. This makes it easier to remove the vacuum hose.
Vacuum hose and non-return valve are welded together and are replaced together as a single unit.
Vacuum hose and non-return valve are welded together and are replaced together as a single unit.
Necessary preliminary tasks:
- Read and comply with GENERAL INFORMATION .
- Remove CONSOLE FOR WINDSCREEN WIPER SYSTEM .
- Remove RIGHT SUSPENSION CROSS-BRACE .
- Remove INTAKE SILENCER HOUSING .
IMPORTANT:
Do not kink vacuum line.
Vacuum line and brake lines must not come into contact with each other around the brake booster.
Contact with surrounding components is only permitted at the designated toothed rings.
Check vacuum line for ease of movement after reinstalling mounting bracket for windscreen wiper system.
Vacuum line and brake lines must not come into contact with each other around the brake booster.
Contact with surrounding components is only permitted at the designated toothed rings.
Check vacuum line for ease of movement after reinstalling mounting bracket for windscreen wiper system.
Detach vacuum line (1) from brake booster (2).
Installation note:
Check gasket (3), replace if necessary.
Remove gasket (1).
Release screws (2) and remove bulkhead upper section (3).
Release screws (4).
Gently pull bulkhead upper section middle (1) upwards and feed out line feed-through (2) towards top.
Disconnect vacuum line (1) from vacuum pump (2).
Unclip vacuum line (1) in radiator tank from holders and remove.