CC 2010 β€ , Eos 2006 β€ , Golf 2004 β€ , Golf 2009 β€ , Passat 2006 β€ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
2
Injection system
Assembly overview - air filter β page 466 .
Removing and installing air filter housing β page 467 .
Removing and installing air filter element β page 468 .
Removing and installing air mass meter - G70- β page 469 .
Assembly overview - intake manifold β page 469 .
Assembly overview - fuel rail β page 472 .
Removing and installing intake manifold with fuel rail
β page 473 .
Removing and installing injectors β page 481 .
Renew Teflon seal on injector β page 484 .
Clean injectors β page 485 .
Removing and installing fuel pressure sender - G247-
β page 486 .
Removing and installing throttle valve module - J338-
β page 488 .
Cleaning throttle valve module - J338- β page 489 .
Assembly overview - high-pressure pump with fuel pressure regβ
ulating valve - N276- β page 490 .
Removing and installing high-pressure pump β page 491 .
2.1
Technical data
Engine code
BZB, CAWA, CAWB, CBFA, CCTA, CCTB, CGYA,
CCZA, CCZB, CCZC, CCZD, CDAA, CDAB
Idling check
1)
rpm
rpm
640 β¦ 800
Idling speed
Governed speed
approx. 6500
1)
If voltage supply to engine control unit drops below 12 volt,
idling speed will be raised incrementally up to 990 rpm. The idling
speed cannot be adjusted.
2.2
Overview of fitting locations
Components A to E are not shown in the exploded view.
460
Rep. gr.24 - Mixture preparation - injection
CC 2010 β€ , Eos 2006 β€ , Golf 2004 β€ , Golf 2009 β€ , Passat 2006 β€ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
1 - Inlet camshaft control valve
1 - N205-
β Removing and installing
β page 91
2 - Charge pressure control
solenoid valve - N75-
β Installed directly on turβ
bocharger β page 465
3 - Turbocharger air recirculaβ
tion valve - N249-
β Installed directly on turβ
bocharger β page 465
4 - Ignition coils with output
stages
β Removing and installing
β page 562
β Ignition coil 1 with output
stage - N70-
β Ignition coil 2 with output
stage - N127-
β Ignition coil 3 with output
stage - N291-
β Ignition coil 4 with output
stage - N292-
β Puller - T40039- is reβ
quired for removing igniβ
tion coils from cylinder
head.
5 - Engine (motor) control unit
- J623-
β Removing and installing
- Passat, CC
β page 499 .
β Removing and installing
- Golf, Eos β page 502
β Removing and installing - Tiguan β page 511
β Removing and installing - Scirocco β page 514
6 - High-pressure pump with fuel pressure regulating valve - N276-
β Fitting location:
Engine codes BZB, CAWA, CAWB, CBFA, CCTA, CCTB, CGYA, CDAA, CDAB β page 463 .
Engine codes CCZA, CCZB, CCZC, CCZD β page 463
β Removing and installing β page 491
β Assembly overview - high pressure pump β page 490 .
7 - Fuel pressure regulating valve - N276-
β Fitting location:
Engine codes BZB, CAWA, CAWB, CBFA, CCTA, CCTB, CGYA, CDAA, CDAB β page 463 .
Engine codes CCZA, CCZB, CCZC, CCZD β page 463
2. Injection system
461
CC 2010 β€ , Eos 2006 β€ , Golf 2004 β€ , Golf 2009 β€ , Passat 2006 β€ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
8 - Radiator outlet coolant temperature sender - G83-
β Passat, CC, Golf, Eos, Scirocco: In lower union on radiator β page 270 .
β Tiguan: in coolant hose β page 272
9 - Vacuum unit for air flow control flaps
β Fitting location β page 464
10 - Intake manifold flap air flow control valve - N316-
β Fitting location β page 464
11 - Engine speed sender - G28-
β Location: Bottom left at front β page 464
12 - Charge air pressure sender - G31-
β Fitting location β page 465
13 - Electrical connector for knock sensor 1 - G61-
β Location: Below intake manifold β page 465
β Knock sensor 1 - G61- specified torque: 20 Nm
14 - Electrical connector for Hall sender - G40-
β Location: Below intake manifold β page 465
15 - 8-pin connector for injectors
β Location: Below intake manifold β page 465
16 - Throttle valve module - J338-
β Including throttle valve drive (electric throttle operation) - G186- , angle sender 1 for throttle valve drive
(electric throttle operation) - G187- and angle sender 2 for throttle valve drive (electric throttle operation)
- G188- .
β After renewing throttle valve module - J338- it must be reprogrammed to engine control unit - J623-
β Vehicle diagnostic tester
17 - Activated charcoal filter solenoid valve 1 - N80-
β One unit with non-return valve/throttle
β To remove and install, remove intake manifold
18 - Intake air temperature sender - G42-
β Bolted to front intake manifold β page 469
19 - Knock sensor 1 - G61-
β Location: Below intake manifold
β Specified torque: 20 Nm
20 - Radiator outlet coolant - G62-
β In coolant pump housing β page 465
21 - Hall sender - G40-
β Bolted to front of cylinder head cover β page 464
22 - Fuel pressure sender - G247-
β On fuel rail β page 472
23 - Intake manifold flap potentiometer - G336-
β On intake manifold on right
β To remove and install, remove intake manifold β page 473 .
24 - Oil pressure switch - F1-
β In bracket for ancillary units
Engine codes CAWA, CAWB, CBFA, CCTA, CCTB, BZB, CGYA β page 225 .
Engine codes CCZA, CCZB, CCZC, CCZD, CDAA, CDAB β page 229
462
Rep. gr.24 - Mixture preparation - injection
CC 2010 β€ , Eos 2006 β€ , Golf 2004 β€ , Golf 2009 β€ , Passat 2006 β€ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
A - Diagnosis connector
β In footwell on driver side
B - Air mass meter - G70- and intake air temperature sender 2 - G299-
β Fitting location β page 464
β Removing and installing β page 469
C - Accelerator position sender - G79- and accelerator position sender 2 - G185-
β On accelerator (both senders are accommodated in one housing)
β If accelerator module or engine control unit is renewed, kick-down function must be taught-in on vehicles
with automatic gearbox.
β Removing and installing β page 390
D - Radiator fan control unit - J293-
β The radiator fan control unit - J293- is integrated into the radiator fan - V7- .
E - Injectors
β In fuel rail
β Removing and installing β page 481
β Injector, cylinder 1 - N30-
β Injector, cylinder 2 - N31-
β Injector, cylinder 3 - N32-
β Injector, cylinder 4 - N33-
High-pressure pump, engine codes BZB, CAWA, CAWB, CBFA,
CCTA, CCTB, CGYA, CDAA, CDAB
1 - Fuel pressure regulating valve - N276-
2 - High-pressure pump
High pressure pump engine codes CCZA, CCZB, CCZC, CCZD
1 - Fuel pressure regulating valve - N276-
2 - High-pressure pump
2. Injection system
463
CC 2010 β€ , Eos 2006 β€ , Golf 2004 β€ , Golf 2009 β€ , Passat 2006 β€ , ...
4-cyl. injection engine (1.8 and 2.0 l engine, chain drive) - Edition 08.2018
Intake manifold flap valve - N316- -2-
1 - Vacuum unit for air flow control flaps
Air mass meter - G70- and intake air temperature sender 2 -
G299- -1-
Engine speed sender - G28- -1-
Hall sender - G40- -1-
464
Rep. gr.24 - Mixture preparation - injection