Connector Couplings, Disconnecting: Procedure

WARNING: This page is about a different car, the 2022 Audi S5, 2021 Audi S5, 2020 Audi S5, and 2020 Audi A5 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

The fuel system is under pressure.

Risk of injury from fuel spraying out.

Wear protective eyewear.
Wear safety gloves.
Reduce the pressure: Place clean cloths around the connection point and carefully open the connection point.

Version 1

Fig 1: Coupling

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Connector coupling with right and left release buttons -arrows-.

Opening

Fig 2: Identifying Coupling

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-- Push the connector coupling -1- in the direction of -arrow A-.

-- Push the release buttons and hold them pressed.

-- Disconnect the connector coupling -1- from the fuel line -2- in the direction of -arrow B-.

Pay attention to the color coding during installation. Refer to Connector Coupling Allocation .
The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to check for secure fit.

Version 2

Fig 3: Coupling With A Pull Release

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Coupling with pull release -arrow-.

Opening

Fig 4: Coupling -1- Off The Fuel Line

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-- Push the connector coupling -1- in the direction of -arrow A-.

-- Pull the pull release -2- in the direction of -arrow B-.

-- Pull the connector coupling -1- off the fuel line -3- in the direction of -arrow B-.

Pay attention to the color coding during installation. Refer to Connector Coupling Allocation .
The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to check for secure fit.

Version 3

Fig 5: Coupling With A Release Button

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Coupling with front button -arrow-

Opening

-- Press the release button -arrow- and remove the connector couplings.

Note the color coding when installing. Refer to Connector Coupling Allocation .
The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to check for secure fit.

Version 4

Fig 6: Coupling With The Release Buttons On The Right And Left Sides

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Connector coupling with right and left release button -arrows- :

Opening

-- Push the connector coupling in the direction of -arrow A-.

-- Press the release buttons -arrows- and remove the connector coupling.

Note the color coding when installing. Refer to Connector Coupling Allocation .
The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to check for secure fit.

Version 5

Connector coupling with right and left release buttons -arrows-.

Fig 7: Coupling With The Release Buttons On The Right And Left Sides
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Opening

-- Press the release buttons -arrows- and remove the connector coupling.

Note the color coding when installing. Refer to Connector Coupling Allocation .
The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to check for secure fit.

Version 6

Fig 8: Identifying Coupling

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Connector coupling with right and left release buttons -arrows-.

Opening

-- Press the connector coupling -1- in the direction of -arrow- and hold it down.

-- Press the release buttons -arrows- and remove the connector coupling.

Note the color coding when installing. Refer to Connector Coupling Allocation .
The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to check for secure fit.

Version 7

Fig 9: Connector Coupling With Right And Left Unlock Buttons

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Connector coupling -1- with right and left unlock buttons -2-.

Opening

Push the connector coupling -1- in the direction of -arrow A- and hold it down.
Push the release buttons -2- in the direction of -arrow B- and remove the connector coupling -1-.
Note the color coding when installing. Refer to Connector Coupling Allocation .
The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to check for secure fit.

Version 8

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Straight connector coupling with right and left connector coupling -1- and cable tie -2-.

Opening

-- Cut through the cable tie for the clip and connector coupling -3-.

-- Release the clip -1- from the connector coupling in the direction of -arrow-.

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-- Press the release buttons in direction of -A arrows- and hold pressed.

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-- Remove the connector coupling in the direction of -arrow B-.

Note the color coding when installing. Refer to Connector Coupling Allocation .
The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to check for secure fit.

-- Push the clip -1- on the connector coupling -2- in direction of -arrow-.

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-- The clip -1- is seated on the connector coupling as shown.

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The release buttons -arrow- of the connector coupling -2- must be accessible through the connector coupling window.

-- Place the fuel line -1- on the connector coupling -2- in direction of -arrow A-.

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-- Pull on the connector coupling to check for secure fit in direction of -B arrows-.

-- Push down the clip -1- in direction of -arrow- the connector coupling is secured by this.

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-- Secure the clip -1- with cable tie -2- on the connector coupling -3-.

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