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Home >> Audi >> 2015 >> S6 >> Repair and Diagnosis >> External Pages >> Different car >> Section 1625 (1.8L, 2.0L & 2.5L - Fuel Supply - Engine Code(S): CBTA, CBUA, CCTA, CPKA, CPLA, CPPA & CPRA (Convertible)) >> 20 Fuel Supply >> Description And Operation >> Connector Couplings, Separating >> Coupling Allocation

Coupling Allocation

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NOTE:

The connectors for fuel, vacuum and ventilation lines are marked with colors. There is either a colored dot on the connector or the release button is the corresponding color.

The connector couplings must >>audibly<< engage when locking.

Pull on the connector coupling to make sure it is secure.

Connector Color Marking on the Connector Coupling
Fuel Supply Black
Fuel Return Line Blue
Ventilation White Beige
Vacuum Green

Version 1

Fig 1: Identifying Coupling
GWWN20-10884Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Right and left coupling with release buttons -arrows-.

Opening

Fig 2: Identifying Lever
GWWN20-10907Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

It is necessary to counterhold the fuel separating point -1- inside the engine compartment.

-- Insert the Lever - Fuel Line T10468 between the heat shield and the fuel line stop -arrow- -2- and counterhold it.

Continue for all separation points on the fuel system:

Fig 3: Identifying Coupling
GWWN20-10883Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

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

-- Press the release button and hold it down.

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

Follow the color coding when installing. Refer to CONNECTOR COUPLINGS, SEPARATING .

The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to make sure it is secure.

Version 2

Fig 4: Identifying Coupling With A Pull Release
GWWN20-10882Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Coupling with pull release -arrow- :

Opening

Fig 5: Removing Coupling -1- Off The Fuel Line
GWWN20-10885Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

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

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

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

Follow the color coding when installing. Refer to CONNECTOR COUPLINGS, SEPARATING .

The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to make sure it is secure.

Version 3

Fig 6: Coupling With A Release Button
GWWN20-10898Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Coupling with the button on the front -arrow- :

Opening

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

Follow the color coding when installing. Refer to CONNECTOR COUPLINGS, SEPARATING .

The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to make sure it is secure.

Version 4

Fig 7: Coupling With The Release Buttons On The Right And Left Sides
GWWN20-10897Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Right and left coupling with release button -arrows- :

Opening

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

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

Follow the color coding when installing. Refer to CONNECTOR COUPLINGS, SEPARATING .

The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to make sure it is secure.

Version 5

Fig 8: Coupling With The Release Buttons On The Right And Left Sides
GWWN20-10899Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Right and left connector coupling with release buttons -arrows- :

Opening

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

Follow the color coding when installing. Refer to CONNECTOR COUPLINGS, SEPARATING .

The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to make sure it is secure.

Version 6

Fig 9: Identifying Coupling
GWWN20-10946Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Right and left connector coupling with release buttons -arrows- :

Opening

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

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

Follow the color coding when installing. Refer to CONNECTOR COUPLINGS, SEPARATING .

The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to make sure it is secure.

Version 7

Fig 10: Connector Coupling With Right And Left Unlock Buttons
GWWA20-10880Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

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

Opening

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

-- Push the release buttons -2- in direction of -arrow B- and remove the connector coupling -1-.

Follow the color coding when installing. Refer to CONNECTOR COUPLINGS, SEPARATING .

The connector couplings must >>audibly<< engage when locking.

-- Pull on the connector coupling to make sure it is secure.

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