Oil Check Valve And Spray Nozzle Valve: Removing

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the intake manifold. Refer to INTAKE MANIFOLD, REMOVING AND INSTALLING .

-- Remove bolts -1, 4, 5, 6, 7- on high pressure line retaining clamps.

Fig 1: Identifying Bolts On High Pressure Line Retaining Clamps, Fuel Injectors Electrical Harness Connectors & High Pressure Lines

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect electrical harness connectors at fuel injectors.

-- Remove high pressure lines -2 and 9- from connections on fuel rail.

-- Remove high pressure lines -3 and 8- from connections on fuel rail. To do this, counter hold at hex head with and open-end wrench and loosen the union nut.

-- Remove high pressure lines.

-- Remove bolts -arrows-.

Fig 2: Identifying Bolts & Cover With Crankcase Ventilation Hose

Courtesy of AUDI OF AMERICA, LLC

-- Remove cover -2- with crankcase ventilation hose -1-.

-- Remove seal.

-- Remove oil check valve -1- and spray nozzle valve -2-.

Fig 3: Identifying Oil Check Valve And Spray Nozzle Valve

Courtesy of AUDI OF AMERICA, LLC