Vacuum Pump: Service and Repair

Vacuum Pump

Special tools, testers and auxiliary items required

• Torque Wrench (5-50 Nm) (V.A.G 1331)


Do not disassemble the vacuum pump under any circumstances because it can cause the vacuum part to malfunction. The result would be brake booster failure.

Removing

- Remove the engine cover. Refer to => [ Engine Cover ] Engine Cover.

- Remove the air filter housing. Refer to => [ Air Filter Housing ] Air Filter Housing.

- Remove the vacuum hose - 1 - from the vacuum pump - 4 -.






- Remove the charge air pipe bolts and then press the pipe down slightly to reach the rear threaded connection on the vacuum pump.

- Remove the vacuum pump bolts - arrows -.

- Remove the vacuum pump - 4 - from the cylinder head.

Installing

Install in reverse order of removal. When doing this note the following:

• Make sure the vacuum pump coupling is seated correctly in the camshaft.

• Always replace the vacuum pump gasket.

• Make sure lines connections are securely fastened.

- Install the vacuum pump - 4 - and tighten the bolts - arrows -.






• Tightening specifications, refer to - item 8 - in => [ Cylinder Head Overview ] Cylinder Head Overview.

- Tighten the charge air pipe bolts.

• Tightening specifications, refer to - item 11 - in => [ Charge Air Cooler Component Overview ] Service and Repair.

- Connect the vacuum hose - 1 - from the brake booster to the vacuum pump.

- Install the air filter housing. Refer to => [ Air Filter Housing ] Air Filter Housing.

- Install the engine cover. Refer to => [ Engine Cover ] Engine Cover.