Volkswagen Golf Service & Repair Manual: Connecting vacuum gauge for brake servo -VAS 6721-
| Special tools and workshop equipment
required |
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| 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 removal of the vacuum hose. |
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| – |
Place brake servo vacuum gauge -VAS 6721- between them
-see following illustrations-. |
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| Item number |
Component |
Explanation |
| A |
Cut-off valve |
In direction of vacuum hose,
non-return valve and, if fitted, vacuum pump |
| B |
Cut-off valve |
| Open to facilitate removal of brake servo vacuum gauge -VAS
6721- |
| Open to simulate a fault source |
| Connection of manual vacuum pump -VAS 6213- |
|
| C |
Cut-off valve |
In direction of brake servo |
| – |
Push hose -A- of brake servo
vacuum gauge -VAS 6721- onto vacuum hose and press adapter
-C- into brake servo. |
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|
The following instructions are intended to help you find the
causes of problems effectively and objectively in the event of
complaints about the brake servo or in the ...
Note
The average air pressure of the earth's atmosphere at sea
level is 1013 mbar and decreases steeply as the altitude
increases (approx. 100 mb ...
Other materials:
Evacuation and charging valve with Schrader valve
Note
Torque wrench -V.A.G 1783- with 1/4" ratchet adapter -VAS
6234-
Appropriate insert -T10364- to remove Schrader valve core
→ Fig.
A -
Service port (soldered in)
...
Displays, warning and indicator lamps
Fig. 166 In the instrument cluster display:
ACC deactivated temporarily; vehicle detected ahead, time interval set
Fig. 167 In the instrument cluster display:
ACC active: vehicle detected ahead, time interval is being set
First read and observe the introductory information
and safety warni ...
Layout - infotainment system, Discover Pro version
Control unit 1 for information electronics -J794-
Display unit for control device of front display and
information control panel -J685-
CD/DVD drive
SD memory card reader: 2 SD card slo ...
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Instructions for checking
Checking vacuum generation