Audi A4 Owners & Service Manuals

Audi A4: Trailer Hitch

Overview - Trailer Hitch

Overview - Trailer Hitch

1 -  Information Label

  • On the left side of the body at the rear

2 -  Towing Recognition Control Module -J345-

  • Removing and installing. Refer to → Chapter "Towing Recognition Control Module -J345-, Removing and Installing".

3 -  Trailer Hitch Release Button -E754-

  • Removing and installing. Refer to → Electrical Equipment; Rep. Gr.96; Controls; Component Location Overview - Luggage Compartment Controls.

4 -  Trailer Socket -U10-

  • Removing and installing. Refer to → Electrical Equipment General Information; Rep. Gr.96; Trailer Hitch.

5 -  Trailer Hitch

  • Only removable with the impact member
  • Removing and installing. Refer to → Chapter "Overview - Impact Member".

Towing Recognition Control Module -J345-, Removing and Installing

Removing

- Open the left service cover. Refer to → Body Interior; Rep. Gr.70; Luggage Compartment Trim Panels; Overview - Luggage Compartment Side Trim Panel.

- Disconnect the connectors -4 through 7-.

- Release the retainers -1- in the direction of -arrows- and remove the Towing Recognition Control Module -J345--2- from the bracket -3-.

A66-11751

Installing

Install in reverse order of removal.

Special Tools

Special tools and workshop equipment required

  • Engine/Gearbox Jack - Gearbox Support -T10337-

W00-10418

  • Wedge Set -T10383-
  • Wedge 1 -T10383/1-

W00-11251

  • Socket - Torx T50 -T10470-

W00-10985

  • Body Socket -T40078-

W00-10239

  • Double Suction Lifter -VAG1344-

W00-0530

  • Wiring Harness Repair Set - Hot Air Blower -VAS1978/14A-

W00-11403

  • Angled Screwdriver -VAS6416-

W00-10739

  • Engine and Gearbox Jack -VAS6931-

W00-11607

  • Roller -3356-

W00-0202

  • Trim Removal Wedge -3409-

W00-11118

Revision History

DRUCK NUMBER: A005A014621

Revision History

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     Body Interior

     General, Technical data

     Safety Precautions

    Safety Precautions when Working on Vehicles with Start/Stop System There is a risk of injury due to the engine starting unexpectedly. The engine can start unexpectedly on vehicles with an activated

    SEE MORE:

     A/C Pressure/Temperature Sensor

    There are different versions of this sensor with different functions and with different names. For exact name, allocation and notes doe the respective function, refer to → Heating, Ventilation and Air Conditioning; Rep. Gr.87; Refrigerant Circuit; System Overview - Refrigerant C

     Shock Absorber Leaks

    Vehicles with Coil Springs Shock absorbers are frequently rejected and replaced because of leaks. Examinations on the test stand and on the vehicle have shown that the replacement of a large number of rejected shock absorbers was not justified. Slight leaking of oil ("sweating") at piston rod sea

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