Fuel Pressure Regulator Valve -N276-, REMOVING AND INSTALLING: Installing

WARNING: This page is about a different car, the 2016 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal. Note the following:

NOTE:

The Fuel Pressure Regulator Valve -N276- does not have sealing ring, but rather a biting edge and therefore cannot be used again.

Check the new Fuel Pressure Regulator Valve -N276- for damage to biting edge and thread.

Check the sealing surface on the hole inside the fuel rail.

Coat the biting edge of the threaded insert and the O-ring for the Fuel Pressure Regulator Valve -N276- with diesel fuel.

-- Align the Fuel Pressure Regulator Valve -N276- so that connecting the connector -arrow- does not cause the electrical wiring to be placed under tension.

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the union nut using the :T10553 to do so counterhold on the housing hex fitting at the same time.

-- Replace gaskets on fuel return line banjo bolts and tighten to 25 Nm.

-- Install the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Check the fuel system for leaks. Refer to FUEL SYSTEM LEAK TEST .

Perform an adaptation after replacing the high pressure pump and / or the Fuel Pressure Regulator Valve -N276-. Refer to Vehicle Diagnostic Tester.