Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 716
4.2
Overview - Intake Manifold Lower Sec‐
tion with Fuel Rail
⇒ “4.2.1 Overview - Intake Manifold Lower Section with Fuel Rail,
Direct Fuel Injection”, page 300
4.2.1
Overview - Intake Manifold Lower Section with Fuel Rail, Direct Fuel Injec‐
tion
1 - Fuel Injector
❑ With combustion cham‐
ber seal (Teflon
®
seal),
always replace
❑ Replace the O-rings.
❑ Make sure it is installed
in the correct position.
❑ Removing and instal‐
ling. Refer to
2 - Support Ring
❑ Replace after removing
3 - Fuel Rail for Combustion
Chamber Fuel Injector
❑ 9 Nm
❑ Removing and instal‐
ling. Refer to
4 - Roller Tappet
5 - Fuel Pressure Regulator
Valve - N276-
6 - 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.
❑ Pay attention when installing the high pressure pump, that no dirt enters the fuel system.
❑ 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
.
7 - High Pressure Pump Bolts
❑ 20 Nm
❑ Replace after removing
❑ Tighten uniformly
8 - High Pressure Line Connection On High Pressure Pump
9 - High Pressure Line Union Nut
❑ 27 Nm
❑ Lubricate the high pressure line with engine oil
10 - High Pressure Line Union Nut
❑ 27 Nm
❑ Lubricate the high pressure line with engine oil
11 - Connections for High Pressure Line On Fuel Rail
12 - Bolts
❑ 9 Nm
13 - Channel Separating Plate
14 - Seal
❑ Check and replace if damaged
15 - Charge-Motion Valve Adjusters (Intake Manifold Flap)
16 - Channel Separating Plate Vacuum Diaphragm (Intake Manifold Flaps)
17 - Intake Manifold Runner Control Valve - N316-
18 - Intake Manifold Sensor - GX9-
❑ 5 Nm
❑ Consists of:
Intake Air Temperature Sensor - G42-
Manifold Absolute Pressure Sensor - G71-
19 - Throttle Valve Control Module - GX3-
❑ Consists of:
EPC Throttle Drive - G186-
EPC Throttle Drive Angle Sensor 1 - G187-
EPC Throttle 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- using the Vehicle Diagnostic Tester .
20 - Intake Manifold Stud Bolt
❑ 9 Nm
21 - Intake Manifold Runner Position Sensor - G336-
❑ After replacing or removing and installing, the Intake Manifold Runner Position Sensor - G336- must be
readapted to the Engine Control Module - J623- using the Vehicle Diagnostic Tester .
22 - Intake Manifold
❑ Removing and installing. Refer to
⇒ “4.3 Intake Manifold, Removing and Installing”, page 304
23 - 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
.
4.2.2
Overview - Intake Manifold Lower Sec‐
tion with Fuel Rail, Multiport Fuel Injec‐
tion
Note
Only for vehicles with engine codes CHHB and CXDA
1 - Bolt
❑ 9 Nm
❑ For the intake manifold-
fuel injector fuel rail
2 - Intake Manifold- Fuel Injec‐
tor Fuel Rail
3 - O-Ring
❑ Replace after removing
4 - Fuel Injector
❑ Replace the O-rings.
❑ Make sure it is installed
in the correct position.
❑ Removing and instal‐
ling. Refer to
.
5 - O-Ring
❑ Replace after removing
6 - Clip
7 - Spring Clamp
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.
❑ Pay attention when in‐
stalling the high pres‐
sure pump, that no dirt enters the fuel system.
❑ 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 - High Pressure Line Connection
❑ 30 Nm
❑ If the connection was loosened, it must be replaced.
10 - High Pressure Line Union Nut
❑ 27 Nm
❑ 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 Connections
❑ 20 Nm
❑ On vehicles without multiport fuel injection, a sealing plug is installed
12 - Clamp
❑ Replace after removing
13 - Bolt
❑ 5 Nm
14 - Fuel Line
❑ Fuel line to the intake manifold fuel injector fuel rail
15 - Vacuum Diaphragm for Channel Separating Plate
16 - Vacuum Hose
17 - Intake Manifold Runner Control Valve - N316-
18 - Intake Manifold Sensor - GX9-
❑ Consists of:
Intake Air Temperature Sensor - G42-
Manifold Absolute Pressure Sensor - G71-
19 - Bolt
❑ 5 Nm
20 - Intake Manifold
❑ Removing and installing. Refer to
⇒ “4.3 Intake Manifold, Removing and Installing”, page 304
21 - Intake Manifold Runner Position Sensor - G336-
❑ After replacing or removing and installing, the Intake Manifold Runner Position Sensor - G336- must be
adapted to the Engine Control Module - J623- using the ⇒ Vehicle diagnostic tester.
22 - Intake Manifold Nut
❑ 9 Nm
23 - Intake Manifold Bolts
❑ 9 Nm
24 - Seal
❑ Check and replace if damaged
25 - Low Fuel Pressure Sensor - G410-
❑ 15 Nm
❑ Must be bolted with the adapter -26-
❑ Removing and installing. Refer to
⇒ “5.4 Low Fuel Pressure Sensor G410 , Removing and Installing”, page 318
26 - Adapter
❑ 15 Nm
❑ Must be bolted with the Low Fuel Pressure Sensor - G410-
❑ Replace O-ring
27 - O-Ring
❑ Replace after removing
28 - Clip
❑ For the locating point of the Low Fuel Pressure Sensor - G410- in the fuel rail.
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