Audi Workshop Service and Repair Manuals

Overview of fitting locations Components A to J are not shown in the exploded view.

1 -	Lambda probe -G39- and Lambda probe heater -Z19-

q	Fitting location → Fig.

q	Removing and installing → Chapter

2 -

Connector

q	For Lambda probe -G39- and Lambda probe heater -Z19-

q	Fitting location → Fig.

3 -	Hall sender 3 -G300-

q	Fitting location → Fig.

q

9 Nm

4 -	Lambda probe after catalytic converter -G130- and Lambda probe heater 1 after catalytic converter -Z29-

q	Fitting location → Fig.

q	Electrical connector for Lambda probe after catalytic converter -G130- and Lambda probe 1 heater after catalytic converter -Z29-

q	Removing and installing → Chapter

5 -	Fuel pressure regulating valve -N276-

q	Fitting location → Fig.

6 -	High-pressure pump

q	Removing and installing → Fig.

7 -	Coolant temperature sender -G62-

q	Fitting location → Fig.

8 -	Electrical connector for MPI injectors

9 -	Hall sender -G40-

q	Fitting location → Fig.

q

9 Nm

10 -	Vacuum unit for air flow control flaps (intake manifold flaps)

q	Fitting location → Fig.

11 -	Intake manifold flap valve -N316-

q	Fitting location → Fig.

12 -	Engine speed sender -G28-

q	Fitting location → Fig.

q	Lubricate seal with oil

q	Renew bolt

q	4 Nm + turn 45° further

q	Removing and installing → Chapter

13 -	Electrical connectors for

q	Knock sensor 1 -G61-

q	Intake manifold flap valve -N316-

q	Fuel pressure sender -G247-

q	Intake manifold flap potentiometer -G336-

q	Hall sender -G40-

q	FSI injectors N30 ... N33

q	Fitting location → Fig.

14 -	Throttle valve module -J338-, throttle valve drive (electric throttle operation) -G186-

q	Throttle valve drive angle sender 1 -G187- and throttle valve drive angle sender 2 -G188-

q	Throttle valve module -J338- must always be re-adapted to engine control unit -J623- after removal and installation or if it has been renewed

q	Fitting location → Fig.

15 -	Engine control unit -J623-

q	Fitting location → Fig.

q	Removing and installing → Chapter

16 -	Charge pressure sender -G31-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.21

17 -	Intake air temperature sender -G42- with intake manifold pressure sender -G71-

q	Fitting location → Fig.

18 -	Knock sensor 1 -G61-

q	To remove, first remove coolant pump with thermostat

q

20 Nm

q	Removing and installing → Chapter

19 -	Fuel pressure sender for low pressure -G410-

q	Fuel pressure sender for low pressure -G410- must be installed with an adapter

q

15 Nm

q	Fitting location → Fig.

q	Removing and installing → Chapter

20 -	Fuel pressure sender -G247-

q	Fitting location → Fig.

q

27 Nm

q	Removing and installing → Chapter

21 -	Valve for oil pressure control -N428-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.17

22 -	Oil pressure switch -F22-, oil pressure switch for reduced oil pressure -F378- and piston cooling jet control valve -N522-

q	Fitting location → Fig.

q	Removing, installing and testing → Rep. gr.17

23 -	Intake manifold flap potentiometer -G336-

q	Fitting location → Fig.

24 -	Activated charcoal filter solenoid valve 1 -N80-

q	Fitting location → Fig.

25 -	Camshaft control valve 1 -N205-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.15

26 -	Ignition coils with output stages

q	Fitting location → Fig.

q	Removing and installing → Chapter

27 -	Exhaust camshaft control valve 1 -N318-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.15

28 -	Turbocharger air recirculation valve -N249- and charge pressure positioner -V465-

q	Located directly on turbocharger → Fig.

q	Removing and installing → Rep. gr.21

29 -	Actuators for camshaft adjustment

q	Actuator 1 for camshaft adjustment -F366-

q	Actuator 2 for camshaft adjustment -F367-

q	Actuator 3 for camshaft adjustment -F368-

q	Actuator 4 for camshaft adjustment -F369-

q	Actuator 5 for camshaft adjustment -F370-

q	Actuator 6 for camshaft adjustment -F371-

q	Actuator 7 for camshaft adjustment -F372-

q	Actuator 8 for camshaft adjustment -F373-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.15

A -	FSI injectors

q	In fuel rail

q	Fitting location → Fig.

q	Injector, cylinder 1 -N30-

q	Injector, cylinder 2 -N31-

q	Injector, cylinder 3 -N32-

q	Injector, cylinder 4 -N33-

q	Removing and installing → Chapter

B -	MPI injectors

q	In fuel rail

q	Fitting location → Fig.

q	Injector 2, cylinder 1 -N532-

q	Injector 2, cylinder 2 -N533-

q	Injector 2, cylinder 3 -N534-

q	Injector 2, cylinder 4 -N535-

q	Removing and installing → Chapter

C -	Fuel pump control unit -J538-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.20

D -	Diagnostic connector

q	In driver's knee restraint

E -	Brake light switch - F- and brake pedal switch -F47-

q	Fitting location → Fig.

q	In footwell on brake pedal

q	Removing and installing → Rep. gr.45

F -	Clutch position sender -G476-

q	Only fitted on vehicles with manual gearbox

q	Fitting location → Fig.

G -	Accelerator position sender -G79- and accelerator position sender 2 -G185-

q	Fitting location → Fig.

q	On accelerator pedal (both senders are accommodated in one housing)

q	Removing and installing → Rep. gr.20

H -	Radiator fan control unit -J293-

q	Incorporated in radiator fan

I -	Stage 3 oil pressure switch -F447-

q	Fitting location → Fig.

q	Removing and installing → Rep. gr.17

J -	Left electrohydraulic engine mounting solenoid valve -N144-

q	Not installed in all vehicles (depends on gearbox type)

Engine control unit -J623- t  In left electronics box in engine compartment

Fuel pump control unit -J538--1- Removing and installing → Rep. gr.20

Accelerator position sender -G79- and accelerator position sender 2 -G185- 2 -  Electrical connector

Clutch position sender -G476--2- Integrated functions: clutch pedal switch for engine start -F194- and clutch pedal switch -F36- (manual gearbox only) 1 -  Brake light switch -F- and brake pedal switch -F47-

Ignition coils and actuators 1 -  Ignition coil 1 with output stage -N70- 2 -  Ignition coil 2 with output stage -N127- 3 -  Ignition coil 3 with output stage -N291- 4 -  Ignition coil 4 with output stage -N292- 5 -  Hall sender 3 -G300- 6 -  Actuator 2 for camshaft adjustment -F367- (for cylinder No. 1) 7 -  Actuator 1 for camshaft adjustment -F366- (for cylinder No. 1) 8 -  Actuator 3 for camshaft adjustment -F368- (for cylinder No. 2) 9 -  Actuator 4 for camshaft adjustment -F369- (for cylinder No. 2) 10 -  Actuator 6 for camshaft adjustment -F371- (for cylinder No. 3) 11 -  Actuator 5 for camshaft adjustment -F370- (for cylinder No. 3) 12 -  Actuator 7 for camshaft adjustment -F372- (for cylinder No. 4) 13 -  Actuator 8 for camshaft adjustment -F373- (for cylinder No. 4) 14 -  Activated charcoal filter solenoid valve 1 -N80-

FSI injectors: 1 -  Injector, cylinder 1 -N30- 2 -  Injector, cylinder 2 -N31- 3 -  Injector, cylinder 3 -N32- 4 -  Injector, cylinder 4 -N33- 5 -  Fuel pressure sender -G247-

MPI injectors 1 -  Injector 2, cylinder 1 -N532- 2 -  Injector 2, cylinder 2 -N533- 3 -  Injector 2, cylinder 3 -N534- 4 -  Injector 2, cylinder 4 -N535- 5 -  Fuel pressure sender for low pressure -G410- 6 -  Intake air temperature sender -G42- with intake manifold pressure sender -G71-

View from above 1 -  Fuel pressure sender for low pressure -G410- 2 -  Electrical connector for MPI injectors 3 -  Electrical connector for Lambda probe after catalytic converter -G130- 4 -  Hall sender -G40- 5 -  Intake air temperature sender -G42- with intake manifold pressure sender -G71-

Fuel pressure sender in high-pressure system 1 -  Fuel pressure sender -G247-

Intake manifold change-over 1 -  Vacuum unit for air flow control flaps (intake manifold flaps) 2 -  Intake manifold flap valve -N316-

Intake manifold flap potentiometer -G336--1-

Electrical connectors 1 -  For FSI injectors 2 -  For knock sensor 1 -G61- 3 -  Stage 3 oil pressure switch -F447- 4 -  For intake manifold flap valve -N316-, fuel pressure sender -G247-, intake manifold flap potentiometer -G336-, coolant temperature sender -G62- and Hall sender -G40-

High-pressure pump and Hall sender 1 -  Hall sender 3 -G300- 2 -  Fuel pressure regulating valve -N276- 3 -  Fuel supply line to fuel rail for MPI injectors 4 -  Fuel supply line to fuel rail for FSI injectors 5 -  Fuel supply line from fuel tank  -  -Arrows- denote securing bolts

Engine speed sender -G28--1-

Camshaft control valves 1 -  Electrical connector for exhaust camshaft control valve 1 -N318- 2 -  Exhaust camshaft control valve 1 -N318- 3 -  Electrical connector for camshaft control valve 1 -N205- 4 -  Camshaft control valve 1 -N205-

Coolant temperature sender -G62- 1 -  Electrical connector for coolant temperature sender -G62- 2 -  Bolt 3 -  Coolant temperature sender -G62-

Charge pressure sender -G31- 1 -  Throttle valve module -J338- 2 -  Electrical connector for throttle valve module -J338- 3 -  Charge pressure sender -G31-

Oil pressure switch 1 -  Electrical connector for oil pressure switch -F22- 2 -  Oil pressure switch -F22- 3 -  Electrical connector for oil pressure switch for reduced oil pressure -F378- 4 -  Oil pressure switch for reduced oil pressure -F378- 5 -  Electrical connector for piston cooling jet control valve -N522- 6 -  Bolt 7 -  Piston cooling jet control valve -N522- Removing and installing → Rep. gr.17

Valve for oil pressure control -N428--3- Removing and installing → Rep. gr.17

Lambda probes 1 -  Electrical connector for Lambda probe -G39- 2 -  Lambda probe -G39- and Lambda probe heater -Z19- 3 -  Lambda probe after catalytic converter -G130- and Lambda probe heater 1 after catalytic converter -Z29- 4 -  Electrical connector for Lambda probe after catalytic converter -G130-

Components on turbocharger 1 -  Turbocharger 2 -  Charge pressure positioner -V465- 3 -  Turbocharger air recirculation valve -N249- (note installation position, refer to next illustration) For removing and installing components on turbocharger, refer to → Rep. gr.21.

Pay attention to installation position of turbocharger air recirculation valve -N249-