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:

Removing and installing upper rear lid trim
Special tools and workshop equipment required Wedges -T10383 Removing – Detach retaining straps for rear shelf on left and right from window ...

Removing and installing tyre pressure sensor, Beru tyre pressure monitoring system
View of Beru system WARNING After tyre sealant has been used, the tyre pressure sensor of the respective wheel must be renewed. ...

Checking electromechanical parking brake, vehicles with four-wheel drive
Activate »TЬV mode«: Seat belt is fitted Rear axle on single-axle roller dynamometer Engine is switched off and ignition is switched on Auto-hold is switched o ...