Overview - Vacuum Pump, 4.0L TDI Engine

Fig 1: Exploded View Of Vacuum Pump, 4.0L TDI Engine

Courtesy of AUDI OF AMERICA, LLC

Vacuum Pump
- Integrated in the oil pump
- Removing and Installing. Refer to appropriate Lubrication article, Oil Pan/Oil Pump; Oil Pump, Removing and Installing .
Oil Pan Upper Section
O-Ring
- Always replace after removing
Vacuum Hose
Grommet
Vacuum Line
- With integrated check valve; cannot be replaced separately
- Refer to CHECK VALVE, CHECKING
- Refer to CHECK VALVE, REMOVING AND INSTALLING, WITH VACUUM LINE IN PLENUM CHAMBER
O-Ring
- Cannot be replaced separately
- If damaged, replace the Vacuum Sensor -G608-
Vacuum Sensor -G608-
- Refer to BRAKE BOOSTER PRESSURE SENSOR, REMOVING AND INSTALLING
To the Vacuum Brake Booster
To the Solenoid Valve
Check Valve
- Cannot be replaced separately
- Refer to CHECK VALVE, CHECKING
Vacuum Hose
Vacuum Line
Refer to CHECK VALVE, REMOVING AND INSTALLING, WITH VACUUM LINE IN PLENUM CHAMBER
Bolt
- 9 Nm
O-Ring
- Always replace after removing
Bolt
- 20 Nm
Vacuum Line
- With integrated check valve
- Refer to CHECK VALVE, CHECKING
Bolt
- 9 Nm
O-Ring
- Always replace after removing