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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (3.0L - Fuel Supply - Engine Code: CPNB) >> 20 Fuel Supply >> Fuel Cooler >> Fuel Cooler, Removing And Installing >> Removing

Fuel Cooler, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

-- Follow the guidelines for clean working conditions, refer to CLEAN WORKING CONDITIONS .

-- Remove the right underbody trim panel, refer to UNDERBODY PANELS, REMOVING AND INSTALLING .

WARNING:

There is a risk of burns due to hot fuel.

  • The temperature of the fuel lines or fuel may reach 100 °C (212 °F) after stopping the engine. Let the fuel cool down before opening any line connections otherwise there is a danger of scalding.
  • Wear safety gloves
  • Wear protective eyewear.

There is a risk of injury because the fuel is under pressure.

  • Place rags around the connection before opening the system. Then release pressure by carefully loosening the connection.

-- Place the catch tray under the fuel cooler.

Fig 1: Unclipping Fuel Lines -1 And 5- From Fuel Cooler -Arrows-
GWWA20-11241Courtesy of AUDI OF AMERICA, LLC

-- Remove the fuel return line -7- on the front of the fuel cooler.

-- Remove the fuel return line -3- on the back of the fuel cooler. Disconnect the connector couplings, refer to CONNECTOR COUPLINGS, SEPARATING .

-- Remove the bolts -2, 4 and 6-.

-- Unclip the fuel lines -1 and 5- from the fuel cooler -arrows- and remove the fuel line.