Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 715
4
Intake Manifold
⇒ “4.1 Overview - Intake Manifold”, page 296
.
⇒ “4.2 Overview - Intake Manifold Lower Section with Fuel Rail”,
page 300
⇒ “4.3 Intake Manifold, Removing and Installing”, page 304
⇒ “4.4 Fuel Rail, Removing and Installing, Direct Fuel Injection”,
.
⇒ “4.5 Throttle Valve Control Module GX3 , Removing and In‐
.
⇒ “4.6 Throttle Valve Control Module, Cleaning”, page 311
4.1
Overview - Intake Manifold
⇒ “4.1.1 Overview - Intake Manifold, without Intake-Manifold Fuel
4.1.1
Overview - Intake Manifold, without Intake-Manifold Fuel Injection
1 - Intake Manifold
❑ Removing and instal‐
ling. Refer to
2 - Intake Manifold Runner Po‐
sition Sensor - G336-
❑ The Intake Manifold
Runner Position Sensor
- G336- needs to be
adapted to the Engine
Control Module - J623-
each time the sensor is
removed and installed
or replaced. See “Gui‐
ded Functions”; to do
so, use a Vehicle Diag‐
nostic Tester .
3 - Bolt
❑ 5 Nm
❑ Intake Air Temperature
Sensor - G42-
4 - Intake Air Temperature Sensor - G42- with Manifold Absolute Pressure Sensor - G71-
❑ 5 Nm
5 - O-Ring
❑ Replace after removing
6 - Intake Manifold Bolt
❑ 9 Nm
7 - Outer Intake Manifold Threaded Pin
❑ 9 Nm
❑ Installed on the outer positions as a guide
8 - Seal
❑ Check and replace if damaged
9 - Channel Separating Plate Vacuum Diaphragm (Intake Manifold Flaps)
10 - Fuel Injector Fuel Rail
11 - Fuel Injectors
❑ Replace the O-ring and Teflon
®
ring
❑ Note correct installation position
❑ Removing and installing. Refer to
⇒ “2.2 Fuel Injectors, Removing and Installing”, page 285
.
12 - Bolt
❑ 9 Nm
❑ High pressure line to intake manifold
13 - Bracket
❑ Connectors
14 - Bolt
❑ 5 Nm
15 - Bolt
❑ 20 Nm
❑ For the intake manifold bracket
16 - Throttle Valve Control Module - J338- Bolts
❑ 7 Nm
17 - Nut For The Intake Manifold Support
❑ 10 Nm
18 - Intake Manifold Support
19 - Rubber Bushing
❑ 5 Nm
20 - Throttle Valve Control Module - J338- , EPC Throttle Drive - G186- ,
❑ EPC Throttle Drive Angle Sensor 1 - G187- and EPC Throttle Drive Angle Sensor 2 - G188-
❑ The Throttle Valve Control Module - J338- must be adapted to the Engine Control Module - J623- when
it is removed and installed or replaced. See “Guided Functions”; to do so, use Vehicle Diagnostic Tester
21 - Seal
❑ Replace after removing
22 - Fuel Pressure Sensor - G247-
❑
⇒ “5.2 Fuel Pressure Sensor G247 , Removing and Installing”, page 314
.
❑ Coat the sealing point and thread with clean engine oil.
23 - Bolts
❑ 9 Nm
❑ Fuel rail to cylinder head
4.1.2
Overview - Intake Manifold, with Intake-Manifold Fuel Injection
1 - Intake Manifold
❑ Removing and instal‐
ling. Refer to
2 - Intake Manifold Bolt
❑ 9 Nm
3 - Intake Manifold Runner
Control Valve - N316-
4 - Channel Separating Plate
Vacuum Diaphragm (Intake
Manifold Flaps)
5 - High Pressure Pump Bolts
❑ 20 Nm
❑ Replace after removing
❑ Tighten uniformly
6 - Connector
❑ For the Fuel Pressure
Regulator Valve - N276-
7 - Fuel Pressure Regulator
Valve - N276-
8 - High Pressure Pump
❑ With Fuel Pressure
Regulator Valve - N276-
❑ There is an electric fuel
pump located in the fuel
tank that supplies the
fuel to the mechanical
high pressure pump.
❑ When installing, make
sure that no dirt enters
the fuel system.
❑ Must not be subjected to knocks and impacts
❑ The fuel system must be without pressure to install the high-pressure pump, releasing fuel pressure.
Refer to
⇒ “1.2 High Fuel Pressure, Reducing”, page 283
❑ Install the fuel lines free of tension
❑ Removing and installing. Refer to
⇒ “7.2 High Pressure Pump, Removing and Installing”, page 328
.
9 - Roller Tappet
❑ May remain in the vacuum pump after removing the high pressure pump, removable
10 - High Pressure Line
❑ To the combustion chamber fuel injectors fuel rail
❑ Lubricate the high pressure line with engine oil
❑ Do not install a tensioned high pressure line (pay attention to cleanliness).
11 - Fuel Line
❑ To the fuel rail intake manifold fuel injectors
12 - High Pressure Line Union Nut
❑ 27 Nm
❑ Lubricate the high pressure line with engine oil
13 - High Pressure Line Connection
❑ 40 Nm
❑ Replace after removing
❑ Coat the threads with clean engine oil.
14 - Fuel Injectors
❑ Replace the O-ring and Teflon
®
ring
❑ Note correct installation position
❑ Removing and installing. Refer to
⇒ “2.2 Fuel Injectors, Removing and Installing”, page 285
.
15 - Combustion Chamber Fuel Injector Fuel Rail
16 - Fuel Pressure Sensor - G247-
❑ 27 Nm
❑ Coat the sealing point with clean engine oil.
❑ Removing and installing. Refer to
⇒ “5.2 Fuel Pressure Sensor G247 , Removing and Installing”, page 314
.
17 - Seal
❑ Replace after removing
18 - Throttle Valve Control Module - GX3-
❑ Consists of:
EPC Throttle Drive - G186-
EPC Throttle Drive Angle Sensor 1 - G187-
EPCThrottle Drive Angle Sensor 2 - G188-
❑ After replacing or removing and installing the Throttle Valve Control Module - GX3- must be adapted to
the Engine Control Module - J623- . Refer to Vehicle Diagnostic Tester
19 - Throttle Valve Control Module - GX3- Bolts
❑ 7 Nm
20 - Intake Manifold Support
21 - Bolt
❑ 20 Nm
❑ For the intake manifold bracket
22 - Intake Manifold Support Nut
❑ 10 Nm
23 - Rubber Bushing
❑ 5 Nm
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