Skoda Octavia II 2004 Workshop Manual page 188

Octavia II 2004 ➤ , Octavia II 2010 ➤
Brake systems - Edition 11.2017
– Place brake servo vacuum gauge - VAS 6721- between them
-see following illustrations-.
Posi‐ Com‐ Meaning
tion po‐
nent
A Cut- In direction of vacuum hose, non-return valve and,
off if included, vacuum pump
valve
B Cut- ♦ Open to facilitate removal of brake servo vac‐
off uum gauge - VAS 6721-
valve
♦ Open to simulate a fault source
♦ Connection of manual vacuum pump - VAS
6213-
C Cut- In direction of brake servo
off
valve
– Push hose -A- of brake servo vacuum gauge - VAS 6721- onto
vacuum hose and press adapter -C- into brake servo.
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5.7.2 Checking vacuum generation
unless authorised by ŠKODA AUTO A. S. ŠKODA AUTO A. S. does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by ŠKODA AUTO A. S.�
Note
The average air pressure of the earth's atmosphere at sea
♦
level is 1013 mbar and decreases steeply as the altitude in‐
creases (approx. 100 mbar/1,000 m altitude). Local and time
variations also influence the vacuum generation.
A cold engine, a switched-on air-conditioning system as well
♦
as engine idling have an adverse influence on generation of a
vacuum.
– Before starting work, check all vacuum hoses for damage (e.g.
cracks or marten bite) and to check that they are correctly and
firmly attached
– Place vacuum gauge for brake servo - VAS 6721- in between
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