| 摘要 |
The invention relates to a vacuum brake booster having a chamber arrangement for producing a servo force that supports a brake actuating force, wherein the chamber arrangement comprises a housing, in which a working chamber is separated from a vacuum chamber by a movable wall, wherein the housing has a first housing shell and a second housing shell, which are or can be connected to each other in a sealing manner in a connection area, wherein a flexible section of the movable wall is arranged in a sealing manner in the connection area, and wherein the housing shells of the housing are penetrated by at least two fastening bolts in order to fasten the vacuum brake booster to a vehicle chassis. For easier assembly, at least one of the fastening bolts is provided with an engagement formation, with which one of the housing shells can be brought into engagement during the assembly, and thus said housing shell can be permanently locked in a predetermined position relative to the other housing shell.
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