Volkswagen Golf Quiz
Brake system

Connecting vacuum gauge for brake servo -VAS 6721-

In this manual: Brake system
General body repairs, exterior — 230General body repairs, interior — 279General information, paint — 133Vechile- specific paint information — 27Heating, air conditioning — 156Auxiliary heater — 58Air conditioning system with refrigerant R134a — 1297- speed dual clutch gearbox 0CW — 544- cylinder injection engine(1.4 1 direct inction. turbocharger) — 182Fuel supply system - Petrol engines — 59Running gear, axles, steering — 221Brake system — 92Wheels and Tyres guide — 12Guide for using trailers — 11Wheels and Tyres Guide - General Information — 121Brake system (hybrid) — 73Electrical system — 326Communication — 65Electrical system, general information — 111
~1min read

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 removal of the vacuum hose.
Connecting vacuum gauge for brake servo -VAS 6721-
  • Place brake servo vacuum gauge -VAS 6721- between them -see following illustrations-.
Connecting vacuum gauge for brake servo -VAS 6721-
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.
Connecting vacuum gauge for brake servo -VAS 6721-

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