Volkswagen Golf Quiz
Brake system

Vacuum system

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

Vacuum pump for brake servo, diesel vehicles

Vacuum pump for 4-cylinder diesel engine (1.6 l, common rail):

The vacuum pump is installed in the oil pump.

  • Removing and installing vacuum pump/oil pump → Rep. gr.17.

Checking non-return valve

Test procedure
  • Carefully pull non-return valve with vacuum line -1- out of brake servo.
  • Blow small amount of air through non-return valve -1- in one direction first, then in other direction.

Air must pass through non-return valve -1- in -direction of arrow-.

The non-return valve -1- must remain closed in the opposite -direction of arrow-. If this is not the case, renew non-return valve or, if necessary, complete vacuum line. Note When installing the vacuum line with non-return valve, ensure the correct installation position relative to the brake servo.
Checking non-return valve

Test yourself

A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.