Connecting Piece, Replacing

Special tools and workshop equipment required 

• Torque Wrench 1783 - 2-10Nm:V.A.G 1783 
  Fig 1: Identifying Torque Wrench

  Courtesy of AUDI
• Torque Wrench 1783 - Open Jaw - 10mm:V.A.G 1783/1 
  Fig 2: Identifying V. A. G 1783/1

  Courtesy of AUDI
• Hose Cutting Pliers:VAS 6228 
  Fig 3: Air Hose Pliers VAS 6228

  Courtesy of AUDI

Procedure

If the connector leaks, the air line can be shortened by 10 mm (if it is long enough) and a new connecting piece can be installed.

• Replace the connecting piece after removing
• Clean separation point area before disconnecting air line connector.
• Contaminants entering the lines can lead to system malfunction.

-- Remove the connector piece and the air line.

-- Remove the cutting ring from the air line.

-- Using the Hose Cutting Pliers:VAS 6228  , cut the air line behind the pressure point from cutting ring at right angle.

Courtesy of AUDI

-- Mark the air line ends of the air line in the vehicle with a waterproof felt-tip marker -arrows-.

• With 17 mm or 22 mm marks, it is checked whether the connector piece is inserted far enough in air line.

-- Install the new connecting piece -1- by hand and tighten.

Courtesy of AUDI

-- Route the air line with the applicable clips/grommets in the vehicle. If necessary replace the cut cable tie.

-- Remove the transportation protection cap -2- from the connecting piece -1-.

-- Remove the transportation protection cap -3- from the air line -4-.

-- Slide the air line -4- in with some force as far as stop in the connector piece -1-.

• Air lines are installed correctly when only one of the two markings is visible -arrow A-.

Tightening Specifications

• Refer to OVERVIEW - AIR LINES