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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (3.0L - Fuel Supply System - Engine Code(S): CATA & CNRB) >> 20 Fuel Supply >> Regulator Valve, 6.0L (V12) >> Regulator Valve, Removing And Installing, 6.0L (V12) >> Removing

Regulator Valve, Removing And Installing, 6.0L (V12): Removing

WARNING: This page is about a different variant/trim than selected.
Fig 1: Regulator Valve Components Location
GWWA20-10490Courtesy of AUDI OF AMERICA, LLC

Follow all safety precautions, refer to WORKING ON FUEL SYSTEM .

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

-- Open the clamps -3- and unclip the fuel lines -2-.

-- Remove the bolts -1, 4, 5, 8- and the nut -7-.

-- Remove the fuel filter -9- with the fuel hoses still connected and move it to the side.

-- Remove the bracket -6- with the clamps.

-- Place a clean cloth under the separating location to catch any fuel that may leak out.

WARNING:

Very hot fuel can burn your skin.

  • In extreme cases, the fuel lines and the fuel itself in vehicles with a common rail engine can be as hot as 100 °C after the engine has been turned off. 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.

  • To reduce pressure in fuel system, lay a clean cloth around the connector and carefully loosen connector.

-- Cut the cable tie and remove foam bracket -1- from the regulator valve.

Fig 2: Regulator Valve Components Location
GWWA20-10549Courtesy of AUDI OF AMERICA, LLC

-- Mark the installed position of the fuel hoses.

-- Remove the fuel hoses -2, 3, 4 and 5- from the regulator valve -6- and then remove the regulator valve.

-- Repeat the process on the regulator valve -7-.