Volkswagen Golf Service & Repair Manual: Bleeding hydraulic system following standard procedure

Volkswagen Golf Service & Repair Manual / Brake system (hybrid) / Brakes, hydraulics, regulator, servo / Hydraulic system / Bleeding hydraulic system following standard procedure

Note

Bleeding the hydraulic system using brake filling and bleeding equipment -VAS 5234- is described.

A pre-pressure of 2 bar is required for bleeding the ABS hydraulic unit -N55-.

Special tools and workshop equipment required

Brake filling and bleeding equipment -VAS 5234-

Bleeding hydraulic system following standard procedure

Tool set for brake bleeding -VAS 6564-

Carry out the following work:

–	On vehicles with 15-inch rims, remove rear wheels.

Note

Adhere strictly to work sequence when bleeding brake system.

–	Connect brake filling and bleeding equipment -VAS 5234-.

–	Open bleeder valves in specified order and bleed brake calipers.

1 -	Front left brake caliper

2 -	Front right brake caliper

3 -	Rear left wheel brake cylinder

4 -	Rear right wheel brake cylinder

5 -	Brake system pressure accumulator -VX70-, LHD vehicles

Use suitable bleeder hose. It must sit tightly on bleeder valve so that no air can enter brake system:

–	Leave bleeder valve of each brake caliper open with bleeder hose fitted until brake fluid discharges free of air bubbles.

Bleeding hydraulic system following standard procedure

Hydraulic system

General notes on brake fluid Only use new brake fluid conforming to VW standard (VW 501 14). Note ...

Subsequent bleeding of hydraulic system

Note Carry out subsequent bleeding when: brake pedal travel is too long or so-called »soft brake pedal« ...

Other materials:

Assembly overview - manually operated anti-dazzle interior mirror, without rain and light sensor -G397- and front camera for driver assist systems -R242-
1 - Retaining plate Retaining plate for mirror base Glued to windscreen Removing and installing → Chapter 2 - Interior mirror Manually operated Removing and installing → Chapter ...

Changing headlights over from driving on left to driving on right, LED headlights
If a right-hand drive vehicle is driven in a left-hand drive country, or vice versa, the headlights must be converted. This is necessary in order to avoid dazzling oncoming traffic with the asymmetric low beam headlights. Note ...

Overview of fitting locations – lights in rear doors
1 - Door warning lamp and entry light Driver side door warning lamp -W30- and front passenger entry light -W93- Front passenger side door warning lamp -W36- and driver side entry light -W92- Removing and installing ...