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 ...
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Instructions for checking
Checking vacuum generation