Audi A4 Owners & Service Manuals

Audi A4: Instrument Panel Central Tube

Overview - Instrument Panel Central Tube

Overview - Instrument Panel Central Tube

1 - Bolt

  • 20 Nm
  • Quantity: 2
  • The mounting threads and contact surface must be free of paint, coating, and corrosion. The threaded connection serves as the ground connection

2 - Threaded Pin

  • 20 Nm
  • Quantity: 2

3 - Lifter

  • Quantity: 2
  • Clip in on the central tube
  • Check the lifter adjusting nut for ease of movement
  • Turn the adjusting nut all the way downward until the adjuster in the transportation safeguard engages

4 - Bolt

  • 20 Nm
  • Quantity: 2

5 - Plug

  • Quantity: 2

6 - Bolt

  • 20 Nm
  • Quantity: 2

7 - Central Tube

  • For the instrument panel
  • Removing and installing. Refer to → Chapter "Instrument Panel Central Tube, Removing and Installing".

8 - Bolt

  • 20 Nm
  • 9 - Bolt
  • 20 Nm
  • Quantity: 3

10 - Bolt

  • 3.6 Nm
  • Quantity: 5
  • For A/C unit

11 - Nut

  • 20 Nm
  • Replace after removing
  • Quantity: 2

Instrument Panel Central Tube, Removing and Installing

Special tools and workshop equipment required

  • Pry Lever -80-200-

  Caution

This procedure contains mandatory replaceable parts. Refer to component overview and parts catalog prior to starting procedure.

Mandatory Replacement Parts

  • Nut - Central Tube to Threaded Pin

Removing

- Remove the windshield wiper motor. Refer to → Electrical Equipment; Rep. Gr.92; Windshield Wiper System; Windshield Wiper MotorV Removing and Installing.

- Remove the plugs -2- and remove the bolt -1- for the central tube on the plenum chamber bulkhead.

- Remove the windshield. Refer to → Body Exterior; Rep. Gr.64; Windshield; Windshield, Removing and Installing.

- Remove the instrument panel. Refer to → Chapter "Instrument Panel, Removing and Installing".

- Equipped on some models: Remove the Windshield Projection Head Up Display Control Module -J898-. Refer to → Electrical Equipment; Rep. Gr.90; Instrument Cluster; Windshield Projection Head Up Display Control Module, Removing and Installing.

- Remove the air guide and air duct to the instrument panel vent from the instrument panel central tube. Refer to → Heating, Ventilation and Air Conditioning; Rep. Gr.87; Air Routing; Overview - Air Routing and Air Distribution in Vehicle Interior.

- Remove the air duct center piece to the center defroster vent. Refer to → Heating, Ventilation and Air Conditioning; Rep. Gr.87; Air Duct; Overview - Air Ducts and Air Distribution in Passenger Compartment.

- Remove the left A-pillar fuse panel from the instrument panel central tube. Refer to → Electrical Equipment; Rep. Gr.97; Relay Panels, Fuse Panels and E-Boxes; Component Location Overview - Relay Panels, Fuse Panels and E-Boxes.

- Remove the Access/Start System Antenna 1 in Vehicle Interior -R138-. Refer to → Electrical Equipment; Rep. Gr.94; Access/Start Authorization; Component Location Overview - Keyless Access Authorization System.

- Equipped on some models: Remove the rear air duct. Refer to → Heating, Ventilation and Air Conditioning; Rep. Gr.87; Air Routing; Overview - Air Routing and Air Distribution in Vehicle Interior.

A70-12343

- Cut through the carpet connecting piece -1- at the position shown in the illustration -arrow A- using scissors.

- Remove the nut -arrows B-.

- Unclip the control module cover -2- from the threaded pin.

- Unclip the wiring harness from the cover using the -80-200- and free it up.

- Pull the control module cover out from under the carpet and remove it.

A68-10759

- Push aside the carpet in the area of the threaded connection, remove the nut -1- and free up the ground wires.

- Unclip the wiring harness from the center tunnel and free it up.

- Unclip the wiring harness for the instrument panel central tube -2- and free it up.

- Remove the steering column from the instrument panel central tube and lay it on the floor of the vehicle. Refer to → Suspension, Wheels, Steering; Rep. Gr.48; Steering Column; Steering Column, Removing and Installing.

A70-12495

- Remove the bolts -arrows-.

A70-12344

- Remove the bolt -1-.

- Remove the bolt -arrow- for the A/C unit.

A70-12258

  Note

For reinstallation, mark the vertical and lengthwise position on the instrument panel central tube.

- Push aside the carpet in the area near the threaded connection and remove the bolts -1-.

- Remove the bolt -2- for the A/C unit.

- Repeat the procedure on the opposite side.

A70-12257

- Remove the bolt -1- and nut -2- for the instrument panel central tube

- Repeat the procedure on the opposite side.

- Unclip the wire for the instrument panel central tube disengage and free up.

  Note

Two technicians are needed to remove the instrument panel central tube.

- Disengage the instrument panel central tube from the A/C unit and remove from the vehicle interior toward the rear.

Installing

- Carefully insert the instrument panel central tube in the body.

- Align the instrument panel central tube according to the marks applied to the A-pillar during removal.

- Tighten the nuts and bolts for the instrument panel central tube near the A-pillar on both the driver and front passenger sides.

Further installation is performed in reverse order of removal, while noting the following:

- Install the steering column. Refer to → Suspension, Wheels, Steering; Rep. Gr.48; Steering Column; Overview - Steering Column.

- Mounting bracket for pedal assembly. Refer to → Brake System; Rep. Gr.46; Brake Pedal; Overview - Brake Pedal.

Installation Position of Instrument Panel Central Tube, Checking

- Insert the instrument panel to test.

- Secure the instrument panel on the left and right side to the instrument panel central tube.

- Close the doors.

- Check whether the gap dimension between the instrument panel and the left and right door is even.

- Check whether the height of instrument panel aligns with the moldings in the door trim panels.

- If the adjustment is incorrect, note lateral and/or vertical deviation.

- Loosen the instrument panel central tube threaded connections.

- Adjust the instrument panel central tube according to the noted deviations.

A70-12345

- Tighten the bolt -1- and nut -2- for the instrument panel central tube at the A-pillar on both the driver and front passenger sides.

A70-12345

  WARNING

Repairing pyrotechnic components (For example the airbag and seat belt tensioner) incorrectly increases the risk of injuries due to unintentional deployments when the battery is connected.

  • The ignition must be on when connecting the battery.
  • Make sure that no one is inside the vehicle at the time when the battery is connected.

- Equipped on some models: Install the Windshield Projection Head Up Display Control Module -J898-. Refer to → Electrical Equipment; Rep. Gr.90; Instrument Cluster; Windshield Projection Head Up Display Control Module, Removing and Installing.

- Install the windshield. Refer to → Body Exterior; Rep. Gr.64; Windshield; Windshield, Removing and Installing.

- Connect the battery ground cable with the ignition switched on. Refer to → Electrical Equipment; Rep. Gr.27; Battery; Battery, Disconnecting and Connecting.

  Note

If the Airbag Indicator Lamp -K75- indicates a fault, check the DTC memory, erase it and check it again using the Vehicle Diagnostic Tester.

Installation instructions: For example tightening specifications, replacing components. Refer to → Chapter "Overview - Instrument Panel Central Tube".

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