Overview - Vacuum Pump, 2.0L TDI EVO Engine

Fig 1: Exploded View Of Vacuum Pump, 2.0L TDI EVO Engine

Courtesy of AUDI OF AMERICA, LLC

1. Seal
2. Vacuum Pump
   • VACUUM PUMP, REMOVING AND INSTALLING, 2.0L TDI ENGINE 
3. Bolt
   • Tightening specification and sequence. Refer to Fig 2.
4. Vacuum Line
   • With integrated check valve; cannot be replaced separately
   • CHECK VALVE, CHECKING 
   • CHECK VALVE, REMOVING AND INSTALLING, WITH VACUUM LINE IN PLENUM CHAMBER 
5. Vacuum Sensor -G608-
   • BRAKE BOOSTER PRESSURE SENSOR, REMOVING AND INSTALLING 
6. O-Ring
   • Cannot be replaced separately
   • If damaged, replace the Vacuum Sensor -G608-
7. To the Brake Booster
8. Vacuum Line
   • Insert until it engages audibly

Vacuum pump - tightening specification and sequence

Fig 2: Vacuum Pump - Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -1 to 5- in stages in the sequence shown.