Pressure Reservoir, Removing and Installing

Fig 1: Identifying Special Tools - Pressure Reservoir, Removing And Installing

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Special tools, testers and auxiliary items required 

• Torque wrench V.A.G 1331
• Torque wrench V.A.G 1783
• Insert tool 10 V.A.G 1783/1

Removing 

• Place vehicle on a hoist → POSITIONING VEHICLE ON HOIST AND WHEELS .
• Vent system → System, Venting or Filling .
• Remove rear portion of exhaust system →
  • for 4.2 LITER V8 4V ENGINE MECHANICAL, ENGINE CODE(S): BVJ
  • for 4.2 LITER V8 5V ENGINE MECHANICAL, ENGINE CODE(S): BFM
  • for 5.2 LITER 10-CYL. 4V ENGINE MECHANICAL, ENGINE CODE(S): BSM
  • for 6.0 LITER 12-CYL. 4V ENGINE MECHANICAL, ENGINE CODE(S): BSB
  .
• Remove heat shield from left of the vehicle underbody below the pressure reservoir.

Fig 2: Pressure Reservoir & Air Line

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Slowly loosen air line - 1  - on pressure reservoir - 2  - and allow air pressure to escape. When air pressure has escaped, remove air line - 1  -.
• Remove nuts - arrows  - and pressure reservoir - 2  -.

Installing 

Installation is in reverse order of removal. Observe the following when doing so:

Fig 3: Pressure Reservoir & Air Line

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Insert pressure reservoir - 2  - and tighten the nuts - arrows  - to 9 Nm.
• Tighten air line connection on the pressure reservoir - 1  - to 5 Nm.
• Switch on ignition.
• Switch "vehicle lift mode" off → Vehicle Lift Mode  or → Owners Manual.

• Fill system using VAS 5051 A → System, Venting or Filling .
• Install heat shield on left of the vehicle underbody below the pressure reservoir.
• Install and adjust exhaust system free of stress →
  • for 4.2 LITER V8 4V ENGINE MECHANICAL, ENGINE CODE(S): BVJ
  • for 4.2 LITER V8 5V ENGINE MECHANICAL, ENGINE CODE(S): BFM
  • for 5.2 LITER 10-CYL. 4V ENGINE MECHANICAL, ENGINE CODE(S): BSM
  • for 6.0 LITER 12-CYL. 4V ENGINE MECHANICAL, ENGINE CODE(S): BSB
  .