Skoda Kodiaq 2017 Workshop Manual page 119

The measuring results will be influenced by the geographical lo‐
cation. The higher the location is above sea level, the lower the
air pressure will be.
Take note of the following test requirements:
♦ Visual inspection of all vacuum hoses for damage (e.g. cracks
or marten bite) and to check that they are correctly and firmly
attached
♦ Ensure cleanliness when working on vacuum system.
♦ Before starting work, clean engine compartment if necessary.
4.4.2 Connecting vacuum gauge for brake
servo - VAS 6721-
Special tools and workshop equipment required
♦ Vacuum gauge for brake servo - VAS 6721-
– Pull vacuum hose out of brake servo.
First press the brake pedal several times in order to facilitate re‐
moval of the vacuum hose.
– Place brake servo vacuum gauge - VAS 6721- between them
-see following illustrations-.
Item Com‐ Meaning
num‐ po‐
ber 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.
4.4.3 Checking vacuum generation
Special tools and workshop equipment required
♦ Vacuum gauge for brake servo - VAS 6721-
Kodiaq 2017 ➤ , Kodiaq 2019 ➤
Brake systems - Edition 11.2018
4. Vacuum system
115