Volkswagen Golf Service & Repair Manual: Instructions for checking

Volkswagen Golf Service & Repair Manual / Brake system / Brakes, hydraulics, regulator, servo / Vacuum system / Instructions for checking

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 event of a so-called »hard brake pedal«.

This check relates to the following components:

Brake servo

Oil seal between brake master cylinder and brake servo.

Non-return valve

Vacuum hoses with connectors

Vacuum pump (if fitted)

When evaluating the measuring results, bear in mind that they will be influenced by the geographical location. The higher your location is above sea level, the lower the air pressure will be.

Before checking the vacuum system, please take note of the following prerequisites for checking:

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

Removing and installing vacuum sender -G608

Note The vacuum sender -G608- is only installed in selected petrol engines. Removing ...

Connecting vacuum gauge for brake servo -VAS 6721-

Special tools and workshop equipment required Vacuum gauge for brake servo -VAS 6721- ...

Other materials:

Using Sentry Mode
When Sentry Mode is turned on, the cameras and sensors remain powered on and ready to record suspicious activity around your vehicle when Model X is locked and in Park. To store and retrieve Sentry Mode footage, ensure that Dashcam is on and a properly formatted USB flash drive is inserted into ...

Tyre pressure
Fig. 201 On the inside of the tank flap: tyre inflation pressure label First read and observe the introductory information and safety warnings The correct tyre pressure for factory-fitted tyres is shown on a sticker and applies to all-season, summer and winter tyres. The sticker is l ...

Removing and installing mounting bracket for backrest release mechanism
Special tools and workshop equipment required Special pop rivet pliers -V.A.G 1753B- Hand drill Safety goggles ...