Volkswagen Golf Quiz
Fuel supply system - Petrol engines

Plug-in connectors

In this manual: Fuel supply system - Petrol engines
General body repairs, exterior — 230General body repairs, interior — 279General information, paint — 133Vechile- specific paint information — 27Heating, air conditioning — 156Auxiliary heater — 58Air conditioning system with refrigerant R134a — 1297- speed dual clutch gearbox 0CW — 544- cylinder injection engine(1.4 1 direct inction. turbocharger) — 182Fuel supply system - Petrol engines — 59Running gear, axles, steering — 221Brake system — 92Wheels and Tyres guide — 12Guide for using trailers — 11Wheels and Tyres Guide - General Information — 121Brake system (hybrid) — 73Electrical system — 326Communication — 65Electrical system, general information — 111
~3min read

Separating plug-in connectors

Special tools and workshop equipment required

Lever -T10468-

Assignment of plug-in connectors

Note The plug-in connectors for fuel, vacuum and breather lines are colour coded. There is either a coloured dot on the plug-in connector or the release button is of the respective colour → Anchor.

Plug-in connectors for fuel lines must engage »audibly« when joined.

Ensure plug-in connector is secured properly by pulling it.
Separating plug-in connectors

Colour assignment

Plug-in connector Colour code on plug-in connector
Fuel supply Black
Fuel return line Blue
Breather White, beige
Vacuum Green
The fuel system is pressurised.Risk of injury due to fuel which may spurt out.Wear eye protection.Wear protective gloves.Release pressure: place clean cloth around connection and carefully open connection.

Variant 1

Plug-in connector with release buttons -arrows- on right and left
Separating plug-in connectors

Opening

It is necessary to counterhold the fuel connection -1- in the engine compartment.
  • Insert lever between heat shield and stop -T10468--arrow- of fuel line -2- and counterhold.
Separating plug-in connectors

Continuation for all coupling points of fuel system:

  • Push plug-in connector -1- in -direction of arrow A-.
  • Press and hold release buttons.
  • Pull plug-in connector -1- off fuel line -2- in -direction of arrow B-.

Take note of colour assignment during installation → Anchor

Plug-in connectors for fuel lines must engage »audibly« when joined.

  • Ensure plug-in connector is secured properly by pulling it.
Separating plug-in connectors

Variant 2

Push-fit coupling with pull-release mechanism -arrow-.
Separating plug-in connectors

Opening

  • Push plug-in connector -1- in -direction of arrow A-.
  • Pull pull-release mechanism -2- in -direction of arrow B-.
  • Pull plug-in connector -1- off fuel line -3- in -direction of arrow B-.

Take note of colour assignment during installation → Anchor

Plug-in connectors for fuel lines must engage »audibly« when joined.

  • Ensure plug-in connector is secured properly by pulling it.
Separating plug-in connectors

Variant 3

Push-fit coupling with front button -arrow-

Opening

  • Press release button -arrow- and pull off plug-in connectors.

Take note of colour assignment during installation → Anchor.

Plug-in connectors for fuel lines must engage »audibly« when joined.

  • Ensure plug-in connector is secured properly by pulling it.
Separating plug-in connectors

Variant 4

Push-fit coupling with release button -arrows- on right and left

Opening

  • Push plug-in connector in -direction of arrow A-.
  • Press release buttons -arrows- and pull off plug-in connector.

Take note of colour assignment during installation → Anchor.

Plug-in connectors for fuel lines must engage »audibly« when joined.

  • Ensure plug-in connector is secured properly by pulling it.
Separating plug-in connectors

Variant 5

Push-fit coupling with release buttons -arrows- on right and left

Opening

  • Press release buttons -arrows- and pull off plug-in connector.

Take note of colour assignment during installation → Anchor.

Plug-in connectors for fuel lines must engage »audibly« when joined.

  • Ensure plug-in connector is secured properly by pulling it.
Separating plug-in connectors

Variant 6

Push-fit coupling with release buttons -arrows- on right and left

Opening

  • Push plug-in connector -1- in -direction of arrow- and maintain pressure.
  • Press release buttons -arrows- and pull off plug-in connector.

Take note of colour assignment during installation → Anchor.

Plug-in connectors for fuel lines must engage »audibly« when joined.

  • Ensure plug-in connector is secured properly by pulling it.
Separating plug-in connectors

Variant 7

Plug-in connector -1- with release buttons -2- on right and left:

Opening

  • Press plug-in connector -1- in -direction of arrow A- and maintain pressure.
  • Press release button -2- in -direction of arrow B- and pull off plug-in connector -1-.

Take note of colour assignment during installation → Anchor.

Plug-in connectors for fuel lines must engage »audibly« when joined.

  • Ensure plug-in connector is secured properly by pulling it.
Separating plug-in connectors

Fuel filter
Pressure limiting valve and fuel filter are integrated in fuel delivery unit and cannot be renewed individually → Chapter.

Test yourself

A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.