13 - Union
❑ To loosen and tighten union nut, counterhold with a wrench on connection.
❑ Before installing high-pressure pipe, first tighten connection to 40 Nm.
14 - Fuel distributor
❑ the lower part of the intake manifold must be removed to remove the fuel rail
❑ For cylinders 1, 3 and 5
❑ If the fuel rail is removed, the injector O-ring, support washer, spring element and combustion chamber
❑ Tighten evenly from inside to outside.
15 - Union
❑ To loosen and tighten union nut, counterhold with a wrench on connection.
❑ Before installing high-pressure pipe, first tighten connection to 40 Nm.
16 - Connecting pipe
❑ 28 Nm
❑ Make sure that fuel pipe does not touch other components!
❑ Install free of tension.
❑ To install, first tighten union nuts hand tight.
❑ To loosen and tighten the union nut, counterhold with a wrench at high-pressure pump connection.
❑ Before installing: first tighten connection at high-pressure pump to 40 Nm.
17 - Union
❑ To loosen and tighten union nut, counterhold with a wrench on connection.
❑ Before installing high-pressure pipe, first tighten connection to 40 Nm.
18 - Fuel distributor
❑ For cylinders 2, 4 and 6
❑ If the fuel rail is removed, the injector O-ring, support washer, spring element and combustion chamber
❑ Tighten evenly from inside to outside.
❑ Removing and installing
19 - Fuel pressure sender - G247-
❑ Before installing, coat front sealing taper and threads with clean engine oil.
❑ 22 Nm
20 - 22 Nm
21 - Pressure limiting valve
❑ Before installing lightly moisten O-rings with clean engine oil.
❑ Renew removed valve.
❑ Press in by hand using an 8 mm hexagon key.
22 - Bolt
❑ 30 Nm + 90° (
1
/4 turn) further
❑ Renew
❑ Tighten fuel rails evenly from inside to outside.
23 - Injector, cylinder 2 - N31-
❑ Injector, cylinder 4 - N33-
❑ Injector, cylinder 6 - N84-
❑ Removing and installing
24 - Support washer
❑ Renewing
CC 2012 ➤ , Passat 2011 ➤ , Passat Variant 2011 ➤
6-cylinder direct-injection engine (3.6 l engine, 4V) - Edition 06.2019
164
Rep. gr.24 - Mixture preparation - injection