Volkswagen Golf Service & Repair Manual: Vacuum system

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

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

Removing and installing brake master cylinder, RHD vehicles

Note If there are problems with the brake servo, first check the brake servo vacuum system → Chapter. Special tools a ...

Removing and installing vacuum sender -G608

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

Other materials:

Overview of fitting locations - aerial systems
1 - Frequency modulation (FM) frequency filter in positive wire -R179- On window frame to the left of the rear lid FM trap circuit (+) Has the task of preventing the aerial signals being shorted to earth R ...

Overview of fitting locations - front control motors, LHD vehicles
1 - Temperature flap control motor -V68- Checking: with vehicle diagnostic tester Removing and installing → Chapter Renewing: initiate basic setting using vehicle diagnostic tester. 2 -&nbs ...

General information
Fig. 155 In the tailgate: location of the camera for the reverse assist system (Rear Assist) Fig. 156 Reverse assist system display First read and observe the introductory information and safety warnings Function Action in vehicles without the ParkPilot o ...