Accumulator: Service and Repair

Pressure Reservoir

Special tools, testers and auxiliary items required

• Torque Wrench (V.A.G 1783)

Removing

• The pressure reservoir is installed inside the spare wheel well.

- Switch on ignition.

- Connect the vehicle diagnostic tester and vent the pressure reservoir via "OBD", address "34 - level control system control module".

- Remove the tool box cover.

- Remove the solenoid valve block from the tool box and then remove the tool box.

• Make sure no dirt gets into the pressure air system.

• Clean the area before removing connecting pieces for the air pipe lines or other components of the pressured air system.

• Seal off any open air lines and connections in the pressure system immediately with plugs or cover them.

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






- Remove the solenoid valve block - 2 - and move it to the side.

- Remove the nuts - arrows - and the pressure reservoir.

Installing

Install in reverse order of removal. Note the following:

Refer to => [ Air Line Connecting Pieces Tightening Specification ] Air Line Connecting Pieces Tightening Specification.

- Fill the pressure reservoir using "OBD" address "34 - level control system control module" with the vehicle diagnostic tester.