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Home >> Audi >> 2014 >> A5 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Hydraulic Components - Brake System (Coupe)) >> 47 Hydraulic Components >> Description And Operation >> Brake System Vacuum Pump -V192- Overview

Brake System Vacuum Pump -V192- Overview

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The construction of the brake system vacuum pump -- depends on the engine.

The electrical brake system vacuum pump -- is switched on by the engine control module depending on the intake line pressure.

Fig 1: Identifying Vacuum Pump Assembly Overview
GWWA47-10053Courtesy of AUDI OF AMERICA, LLC
  1. Vacuum Line
  2. Electrical Connector
  3. Brake System Vacuum Pump -V192-
  4. Check Valve
  5. Brake System Vacuum Pump -- Bracket
  6. Bracket Nut
    • 20 Nm


The electrical vacuum pump -- is switched on by the engine control module depending on the intake line pressure.

NOTE:

It is necessary to remove the left front wheel housing liner in order to remove the vacuum pump, refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

NOTE:

View brake system vacuum pump -- from underneath after removing the left front wheel housing liner.

Fig 1: Brake System Vacuum Pump -V192- Overview
GWWA47-10072Courtesy of AUDI OF AMERICA, LLC
  1. Bracket
  2. Bracket Bolt
    • 20 Nm
  3. Electrical Connector
  4. Brake System Vacuum Pump --
NOTE:

View brake system vacuum pump -- inside the engine compartment, in the front on the left side.

Fig 2: Brake System Vacuum Pump Components
GWWA47-10071Courtesy of AUDI OF AMERICA, LLC
  1. Bracket Bolt
    • 20 Nm
  2. Brake System Vacuum Pump --
  3. Check Valve
  4. Nut
    • Secondary pump hose bracket.
    • 20 Nm
  5. Bracket Bolt
    • 20 Nm