Volkswagen Golf / Golf GTI / Jetta. Manual — part 418

45-56

Location:

The control module is bolted to the hydraulic unit
and is located on left in the engine compartment.

WARNING!

Do not bend the brake lines in the area of the
hydraulic unit!

Removing:

- Request radio code on vehicles with coded radio

if necessary.

- Disconnect battery.

Remove air cleaner

- Pull connector -2- off mass air flow sensor.

- Release spring-type clip -1- on air duct hose

with pliers VAG 1921 and pull hose off air
cleaner.

- Remove air cleaner bolts -3- and take out air

cleaner -4-.

Hydraulic unit, brake booster/brake master cylinder Mark 60, assembly overview

45-57

- Release control module

connector (arrow -1-) and pull off
(arrow -2-).

- Install brake pedal loading device

VAG 1869/2.

- Connect bleeder bottle hose to

left front brake caliper and left
rear caliper bleed screw and open
bleed screws.

- Depress brake pedal at least 60

mm. (2.36 in.) with brake pedal
depressor VAG 1869/2.

Hydraulic unit, brake booster/brake master cylinder Mark 60, assembly overview

45-58

- Close left front and left rear caliper bleeder

screws.

- Do not remove brake pedal depressor VAG

1869/2 from brake pedal.

- Place sufficient lint-free cloths under the control

module and hydraulic unit.

Make sure no brake fluid gets on contacts.

- Disconnect brake lines -1- from hydraulic unit to

brake master cylinder and tie up

- Disconnect remaining brake lines on hydraulic

unit.

- Seal brake lines and threaded holes with plugs

from repair kit Part No. 1H0 698 311 A.

- Remove bolts (arrows) from hydraulic

unit/control module bracket.

- Remove hydraulic unit with control module.

Hydraulic unit, brake booster/brake master cylinder Mark 60, assembly overview

45-59

Removing control module from hydraulic
unit.

- Place the hydraulic unit with control module

down on a clean flat surface.

CAUTION!

The hydraulic pump must not be separated
from the hydraulic unit.

- Remove E 5 hex socket head bolt -arrows

hydraulic pump.

- For this reason, tighten the hydraulic pump with

the red bracket -1- from the repair kit and two
sealing plugs -2- on the hydraulic unit.

Hydraulic unit, brake booster/brake master cylinder Mark 60, assembly overview