Preparations For Compressor And Pressure Line Leak Check, KONGSBERG MULTICONTOUR Seat

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Special tools and workshop equipment required

Turbocharger Tester Kit VAG 1397A
Hose Cutting Pliers VAS 6228
Pneumatic Repair Set VAS 6618 A
Vehicle Diagnostic Tester

NOTE:

When an appropriate entry is made in the event memory, you are prompted in "Guided Fault Finding" to perform a leak check using the Vehicle Diagnostic Tester.

Then the preparations for this leak test are described that must be carried out directly in the front seat.

For the connection diagram with assignment of the pneumatic lines to the air cushions, refer to CONNECTION DIAGRAM - PNEUMATIC SYSTEM .

Procedure

The backrest cover is removed. Refer to Removing and Removing .
Front seat released in the vehicle and folded forward with electrical harness connectors connected. Refer to FRONT SEAT, REMOVING AND INSTALLING .

NOTE:

To check, the pneumatic line from the compressor is not disconnected at the connection, but is disconnected by the described procedure. Refer to PNEUMATIC LINES, DISCONNECTING AND CONNECTING .

To connect during the leak test, insert the pneumatic lines into the Connecting Sleeves VAS 6618/2 from both sides -A arrows-.

Fig 1: Attach The Connecting Sleeves

Courtesy of AUDI OF AMERICA, LLC

To release, push release rings -B arrows- and simultaneously remove pneumatic lines -C arrows-.

In one of the test steps in the "Guided Fault Finding", you are prompted to connect the Turbocharger Tester Kit VAG 1397A at the pneumatic line to the Valve Block 2 in Driver Seat - N476- / Valve Block 2 in Front Passenger Seat -N478-.

Fig 2: Disconnect The Pneumatic Line

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the pneumatic line -1- from the valve block.

a - 30 mm

-- Using hose and adapter pieces from the Pneumatic Repair Set VAS 6618 A as well as the Surge Tank VAS 6618/10, connect the Turbocharger Tester Kit VAG 1397A with the pneumatic line -1- coming from the compressor.

Fig 3: Valve Block

Courtesy of AUDI OF AMERICA, LLC

2 - Valve Block 2 in Driver Seat -N476- / Valve Block 2 in Front Passenger Seat -N478-

In one of the test steps in the "Guided Fault Finding", you are prompted to connect the Turbocharger Tester Kit VAG 1397A at the pneumatic line to the Valve Block 3 in Driver Seat - N523- / Valve Block 3 in Front Passenger Seat -N524-.

-- Disconnect the pneumatic line -1- from the valve block.

Fig 4: Disconnect The Pneumatic Line

Courtesy of AUDI OF AMERICA, LLC

a - 315 mm

Fig 5: Valve Block

Courtesy of AUDI OF AMERICA, LLC

2 - Valve Block 3 in Driver Seat -N523- / Valve Block 3 in Front Passenger Seat -N524-

In one of the test steps in the "Guided Fault Finding", you are prompted to connect the Turbocharger Tester Kit VAG 1397A at the pneumatic line to the Valve Block 1 in Driver Seat - N475- / Valve Block 1 in Front Passenger Seat -N477-.

Fig 6: Disconnect Pneumatic Line

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the pneumatic line -1- from the valve block.

a - 30 mm

Fig 7: Valve Block 1

Courtesy of AUDI OF AMERICA, LLC

2 - Valve Block 1 in Driver Seat -N475- / Valve Block 1 in Front Passenger Seat -N477-

In one of the test steps in the "Guided Fault Finding", you are prompted to connect the Turbocharger Tester Kit VAG 1397A directly to the compressor.

Fig 8: Disconnect The Pneumatic Line

Courtesy of AUDI OF AMERICA, LLC

NOTE:

To check, the pneumatic line from the compressor is not disconnected at the connection, but is disconnected by the described procedure. Refer to PNEUMATIC LINES, DISCONNECTING AND CONNECTING .

-- Disconnect the pneumatic line -1- from the compressor at the following locations:

a - 220 mm

NOTE:

Ignore -item 2-.

-- Using line and adapter pieces, as well as the Surge Tank VAS 6618/10, connect the Turbocharger Tester Kit VAG 1397A with the pneumatic line -1- for the compressor -2-.

Fig 9: Pneumatic Line & Compressor

Courtesy of AUDI OF AMERICA, LLC

NOTE:

To connect the pneumatic lines, make an adapter hose form the Pneumatic Repair Set VAS 6618 A.

-- Connect the pneumatic lines and check them with a final tug, whether the coupling is locked in correctly.