Volkswagen Golf / Golf GTI / Jetta. Manual — part 479

47-58

Brake system vacuum pump -
V192-, removing and installing

There are no provisions for servicing
the brake system vacuum pump -
V192-. If a malfunction is detected
the brake vacuum pump -V192-
must be replaced.

The brake system vacuum pump -
V192- is located lower left on the
subframe.

Removing

- Remove bolts -1- on bracket for

brake system vacuum pump -
V192-.

- Pull hose (arrow) off brake

system vacuum pump -V192-.

- Take out brake system vacuum

pump -V192-.

Bracket (arrow) for brake system

vacuum pump -V192-.

- Remove lock nut -2- from bolt -1-.

- Remove bolt -4- .

- Take bracket out.

- Remove bolts -3- to disassemble

the bracket (arrow) further.

Brake booster/brake master cylinder for vehicles with ABS/EDL/ASR/ESP Mark...

47-59

Installing

Install in reverse order.

Tightening torques

Nut -2- to bracket

20

Nm

(15

ft.

lb)

Bolts -3- to bracket

8

Nm

(71

in.

lb)

Bolt -4- to bracket

20

Nm

(15

ft.

lb)

Torx socket head bolt
for brake vacuum
pump -V192- to
bracket

8

Nm

(71

in.

lb)

Brake booster/brake master cylinder for vehicles with ABS/EDL/ASR/ESP Mark...

47-60

Brake system vacuum pump -V192-,
checking

During the start-up sequence the brake system

vacuum pump -V192- must run briefly.

Work sequence

- Position vehicle on a lifting platform, switch

engine off.

- Start engine.

- Check by touch that the brake system vacuum

pump -V192- is running with the assistance of a
second person.

If the brake system vacuum pump -V192- does

not run:

- Read engine control module Diagnostic Trouble

Code (DTC) memory.

Repair Manual, Brake System On Board

Diagnostic (OBD), Repair Group 01; Checking
and erasing engine control module DTC memory

Brake booster/brake master cylinder for vehicles with ABS/EDL/ASR/ESP Mark...

47-61

Brake booster pressure
sensor -G294-, removing and
installing

Removing

- Remove plenum chamber cover.

Installing

Install in reverse order.

- Disconnect connector -1-.

- Remove bolts (arrows).

- Remove brake booster pressure

sensor -G294-.

Brake booster/brake master cylinder for vehicles with ABS/EDL/ASR/ESP Mark...