Audi A4: Trailer Hitch

Trailer Hitch Socket, Removing and Installing - Version 1

Removing

- Turn off the ignition and remove the key.

- Remove the bolts -arrows-.

- Detach the socket from the retaining plate.

Socket with Rear Fog Lamp Shut-Off Contact Switch -F216-:

- Remove harness connector -2- for the Rear Fog Lamp Shut-Off Contact Switch -F216- and harness connector -1- from the Trailer Socket -U10-.

Socket without a Rear Fog Lamp Shut-Off Contact Switch -F216-:

- Press multiple connector -1- in direction of -arrow- out of socket -2-.

Version 1

- Release securing tabs in direction of -arrows- and then release retainer clips -1 and 3 through 5-.

- Remove the retainer from the connectors -2-.

Version 2

- First release securing tabs in direction of -arrows- and then retaining clips -1, 2, 3, 4, 6, and 7-.

- Remove the retainer from the multi-pin connector -5-.

Installing

Install in reverse order of removal. Note the following:

  Note

Make sure the O-rings -1 and 3- are not damaged.

- Slide the connectors -4- into the retainer -2- until they click into place.

Trailer Hitch Socket, Removing and Installing - Version 2

Removing

  Note

During installation, install the cable ties at the same location.

- Turn off the ignition and remove the key.

- Unfold and engage the trailer hitch.

- Cut the cable tie -1- and remove the screws -2 and 4-.

- Press the socket out of trailer hitch -3- in direction of -arrow-.

- Turn cap -1- counterclockwise -arrow- and remove it from socket -3-.

- Remove rubber cover -2-.

- Release the retaining clips -arrows- and press multiple connector -2- out of socket -1-.

- Release the retaining clips -arrows- and remove retainer -1- from multiple connector -3-.

  Note

Carefully remove the retainer so that contacts -2- of the multiple connector are not disconnected from the wiring harness.

Installing

Install in reverse order of removal. Note the following:

- The retainer -1- can be pushed onto multiple connector -3- in only one position.

• Guide pins -4- can be inserted into the retainer in only one position. Contacts -2- must be inserted in the retainer for this purpose.

- Insert the retainer into the multiple connector until it engages audibly.

Trailer Hitch Socket, Removing and Installing - Version 3

Removing

- Fold out the trailer hitch. Refer to the vehicle Owner's Manual.

- Switch off the ignition and remove the ignition key.

- Remove the bolts -arrows-.

- Remove the socket from the retaining plate.

- Remove the rubber cover from the socket.

- Release the retaining clips in direction of -arrows- and press multiple connector -1- out of socket -2-.

- Release the retaining clips in direction of -arrows- and remove retainer -2- from multiple connector -3-.

  Note

Carefully remove the retainer so that contacts -2- of the multiple connector are not disconnected from the wiring harness.

Installing

Install in reverse order of removal. Note the following:

- The retainer -1- can be pushed onto multiple connector -3- in only one position.

• Guide pins -4- can be inserted into the retainer in only one position. Contacts -2- must be inserted in the retainer for this purpose.

- Insert the retainer into the multiple connector until it engages audibly.

Trailer Hitch Socket, Removing and Installing - Version 4

Removing

  Note

During installation, install the cable ties at the same location.

- Turn off the ignition and all electrical equipment.

- Move out the trailer hitch.

- Cut through the cable tie -3-.

- Remove the bolts -2-.

- Remove the socket from the trailer hitch -1-.

- Release the retainers -arrows-.

- At the same time remove the cap -1- from the socket.

- Remove rubber cover -2-.

- Release the clips -arrows- and press multiple connector -2- out of socket -1-.

- Release the clips -arrows- and remove retainer -1- from multiple connector -3-.

  Note

Carefully remove the retainer so that contacts -2- of the multiple connector are not disconnected from the wiring harness.

Installing

Install in reverse order of removal. Note the following:

- The retainer -1- can be pushed onto multiple connector -3- in only one position.

• Guide pins -4- can be inserted into the retainer -1- in only one position. Contacts -2- must be inserted in the retainer for this purpose.

- Insert the retainer into the multiple connector until it engages audibly.

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