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 Denso belt pulley
Note The pulley is sensitive to impact and should therefore be treated with extreme care. If the belt pulley overload protection has deployed, check freedom of movement of air conditioner compressor before rene ...

Removing and installing mounting bracket, LHD vehicles
Remove dash panel end cover on driver side → General body repairs, interior; Rep. gr.70. – Remove footwell cover on driver side → General body repairs, interior; Rep. gr.68. � ...

Removing and installing washer fluid reservoir, »R«
Special tools and workshop equipment required Drip tray Removing – Remove front right wheel → Running gear, axles, steering; Rep. gr.44. � ...