Accumulator: Service and Repair

Pressure Reservoir

Special tools, testers and auxiliary items required

• Torque Wrench 5-50 Nm (V.A.G 1331)

• Torque Wrench (V.A.G 1783)

• Standard socket open end 12 mm

Remove Front Pressure Reservoir at Underbody

- Place vehicle on hoist. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.

- Perform pressure reservoir system vent using (VAS 5051 B). Refer to => [ System, Venting or Filling ] System, Venting or Filling.

- Remove left underbody trim.

- Slowly loosen air line - 1 - on pressure reservoir - 2 - and allow air pressure to come down. When air pressure has escaped, remove air line - 1 -.






- Remove bolt - 3 - and guide out pressure reservoir - 2 - and remove,

Pressure Reservoir in Luggage Compartment, Removing

- Place vehicle on hoist. Refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.

- Perform pressure reservoir system vent using (VAS 5051B). Refer to => [ System, Venting or Filling ] System, Venting or Filling.

- Remove the luggage compartment floor covering and the compressor on the left side.

- Slowly loosen air line - 1 - on pressure reservoir - 2 - and allow air pressure to come down. When air pressure has escaped, remove air line - 1 -.






- Remove bolts - 3 - and pressure reservoir - 2 -.

Front Pressure Reservoir, Installing on Underbody

Install in reverse order of removal. Note the following:

Tightening specifications, refer to => [ Air Supply Unit and Solenoid Valve Block Overview ] Air Supply Unit and Solenoid Valve Block Overview

- Place vehicle on wheels, refer to => [ Positioning Vehicle on Hoist and Wheels ] Positioning Vehicle on Hoist and Wheels.