COMPONENT LOCATION OVERVIEW Audi TT 8J

COMPONENT LOCATION OVERVIEW

Components A through N are not depicted in the exploded view illustration.

Scheme 604

1. Wastegate Bypass Regulator Valve -N75- Installed directly on turbocharger (Scheme 627)
2. Turbocharger Recirculating Valve -N249- Installed directly on turbocharger (Scheme 627)
3. Ignition Coils with Power Output Stages Removing and installing. Refer to «IGNITION COILS WITH POWER OUTPUT STAGES»(/audi/tt/8j-2006-2010/remont/ignition-system/#20l-ignitionglow-plug-system-engine-codes-bpy-cdma-roadster-as-of-012008__ignition-coils-with-power-output-stages). Ignition Coil 1 with Power Output Stage -N70- Ignition Coil 2 with Power Output Stage -N127- Ignition Coil 3 with Power Output Stage -N291- Ignition Coil 4 with Power Output Stage -N292- The ignition coils must be pulled out of the cylinder head using the ignition coil puller T40039
4. Heated Oxygen Sensor -G39- and Oxygen Sensor Heater -Z19- Component location (Scheme 624) Removing and installing, refer to «HEATED OXYGEN SENSOR AND OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__heated-oxygen-sensor-and-oxygen-sensor)
5. Engine Control Module -J623- Removing and installing, refer to «ENGINE CONTROL MODULE»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__engine-control-module)
6. Single Piston High Pressure Pump Removing and installing, refer to «HIGH PRESSURE PUMP»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__high-pressure-pump)
7. Fuel Pressure Regulator Valve -N276
8. Camshaft Adjustment Valve 1 -N205- Removing and installing, refer to «Removal and Installation»(/audi/tt/8j-2006-2010/remont/mechanical/#20l-cylinder-head-valvetrain-engine-codes-bpy-roadster)
9. 6-Pin Harness Connector For Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) Heater -Z19- (black) (Scheme 623)
10. Low Fuel Pressure Sensor -G410- 15 Nm
11. Engine Coolant Temperature Sensor -G62- Component location (Scheme 609)
12. Engine Speed Sensor -G28- Oil Pressure Sensor -G10- Electrical connectors on Knock Sensor (KS) 1 -G61- and Knock Sensor (KS) 2 -G66- Component location (Scheme 618)
13. Intake Flap Motor -V157- with Intake Manifold Runner Position Sensor -G336- The intake manifold runner position sensor -G336- must be adapted to the engine control module -J623- after removing or replacing the fuel rail vehicle diagnosis, testing and information system VAS 5052 "Guided Function". Removing and installing, refer to «INTAKE FLAP MOTOR AND INTAKE MANIFOLD RUNNER POSITION SENSOR»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__intake-flap-motor-and-intake-manifold)
14. EVAP Canister Purge Regulator Valve 1 -N80
15. Charge Air Pressure Sensor -G31- Component location (Scheme 620)
16. Connector For Camshaft Position (CMP) Sensor -G40- and Fuel Pressure Sensor -G247- Component location (Scheme 619)
17. Fuel Injector 8-Pin Harness Connector Component location (Scheme 619)
18. Throttle Valve Control Module -J338-, Throttle Drive for Electronic Power Control -G186-, Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC)) -G187- and Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) -G188- After replacing the throttle valve control module -J338-, it must be adapted to the engine control module -J623- see vehicle diagnosis and service system VAS 5052 "Guided Function".
19. Intake Air Temperature Sensor -G42
20. Fuel Pressure Sensor -G247- 22 Nm Component location (Scheme 611) Removing and installing, refer to «FUEL PRESSURE SENSOR»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__fuel-pressure-sensor)
21. Camshaft Position Sensor -G40- Electrical harness connector (Scheme 612)
22. A - Mass Air Flow Sensor -G70- In upper section of air filter (Scheme 613) Removing and installing, refer to «MASS AIR FLOW SENSOR»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__mass-air-flow-sensor)
23. B - Fuel Pump Control Module -J538- (Scheme 615) If Fuel Pump (FP) Control Module -J538- is replaced, a fuel pump adaptation must be performed. Basic setting measured values block 103. Refer to «Diagnosis and Testing»(/audi/tt/8j-2006-2010/remont/fuel-system/#fuel-supply-system-roadster) or via Vehicle Diagnosis and Service System VAS 5052 "Guided Functions".
24. C - Brake Light Switch - F- and Brake Pedal Switch -F63- Component location (Scheme 617) Removing and installing, refer to «Removal and Installation»(/audi/tt/8j-2006-2010/remont/anti-locktraction-control/#anti-lock-brake-system-roadster)
25. D - Throttle Position Sensor -G79- and Accelerator Pedal Position Sensor 2 -G185- Component location (Scheme 608) On accelerator pedal (both sensors are stored in one housing) If the accelerator pedal module or engine control module is replaced in vehicles with automatic transmission, the kick-down function must be adapted. Removing and installing, refer to «Removal and Installation»(/audi/tt/8j-2006-2010/remont/fuel-system/#fuel-supply-system-roadster)
26. E - Clutch Position Sensor -G476- Component location (Scheme 616) Remove and install.
27. F - E-Box Relay and Fuse Carrier Relay and fuse assignment.
28. G - Coolant Fan Control Module -J293- Component location (Scheme 621)
29. H - Fuel Injector In fuel rail pipe Removing and installing, refer to «FUEL INJECTORS»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__fuel-injectors) Cylinder 1 Fuel Injector -N30- Cylinder 2 Fuel Injector -N31- Cylinder 3 Fuel Injector -N32- Cylinder 4 Fuel Injector -N33- Fuel injectors referred to here are high pressure fuel injectors. They inject fuel directly into the cylinder under high pressure (max. approximately 110 bar).
30. I - Oxygen Sensor After Catalytic Converter -G130- and Oxygen Sensor Heater 1 After Catalytic Converter -Z29- Component location (Scheme 626) Removing and installing, refer to «OXYGEN SENSOR AFTER CATALYTIC CONVERTER AND OXYGEN SENSOR 1 HEATER»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__oxygen-sensor-after-catalytic-converter-and)
31. J - Knock Sensor I -G61- For cylinder 1 and 2 20 Nm Component location (Scheme 619)
32. K - Knock Sensor 2 -G66- For cylinder 3 and 4 20 Nm Component location (Scheme 619)
33. L - Oil Pressure Switch -F1- Component location (Scheme 619) Checking, removing and installing, refer to «Removal and Installation»(/audi/tt/8j-2006-2010/remont/lubrication-system/#20l-lubrication-engine-codes-bpy-roadster)
34. M - Engine Coolant Temperature Sensor (on Radiator) -G83- Component location (Scheme 610)
35. N - After-Run Coolant Pump -V51- Component location (Scheme 622)

Scheme 605

1. Mass Air Flow Sensor -G70- Removing and installing, refer to «MASS AIR FLOW SENSOR»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__mass-air-flow-sensor)
2. 3 Nm
3. Upper Air Filter Housing/Engine Cover Clean air filter housing-upper section of salt residue, dirt and leaves
4. Spring-Type Clip
5. Intake Air Guide To air filter housing Clean dirt and leaves from intake air guide
6. Filter Element Always use a genuine air filter element Removing and installing, refer to «ENGINE COVER WITH AIR FILTER»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__engine-cover-with-air-filter) Observe change intervals
7. Lower Air Filter Housing Clean air filter housing-lower section of salt residue, dirt and leaves
8. 3 Nm
9. Heat Shield
10. Rubber Boot Note installation marking
11. Air Guide Hose Note installation marking To turbocharger Check air duct hose for dirt and leaves

Components A through L are not shown in the exploded view illustration.

Scheme 606

1. Wastegate Bypass Regulator Valve -N75- Installed directly on turbocharger (Scheme 627)
2. Ignition Coils with Power Output Stages Removing and installing, refer to «IGNITION COILS WITH POWER OUTPUT STAGES»(/audi/tt/8j-2006-2010/remont/ignition-system/#20l-ignitionglow-plug-system-engine-codes-bpy-cdma-roadster-as-of-012008__ignition-coils-with-power-output-stages) Ignition Coil 1 with Power Output Stage -N70- Ignition Coil 2 with Power Output Stage -N127- Ignition Coil 3 with Power Output Stage -N291- Ignition Coil 4 with Power Output Stage -N292- The ignition coils must be pulled out of the cylinder head using the ignition coil puller T40039
3. Heated Oxygen Sensor -G39- and Oxygen Sensor Heater -Z19- Component location (Scheme 624) Removing and installing, refer to «HEATED OXYGEN SENSOR AND OXYGEN SENSOR HEATER BEFORE CATALYTIC CONVERTER»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__heated-oxygen-sensor-and-oxygen-sensor)
4. Engine Control Module -J623- Removing and installing, refer to «ENGINE CONTROL MODULE»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__engine-control-module)
5. Low Fuel Pressure Sensor -G410- 15 Nm
6. Single Piston High Pressure Pump Removing and installing, refer to «HIGH PRESSURE PUMP»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__high-pressure-pump)
7. Fuel Pressure Regulator Valve -N276
8. Camshaft Adjustment Valve 1 -N205- Removing and installing, refer to «Removal and Installation»(ref-505813-S30772019442012100100000)
9. 6-Pin Harness Connector For Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) Heater -Z19- (black) (Scheme 623)
10. Mass Air Flow Sensor -G70- Removing and installing, refer to «MASS AIR FLOW SENSOR»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster)
11. Engine Coolant Temperature Sensor -G62- Component location (Scheme 609)
12. Engine Speed Sensor -G28- Eectrical connectors on Knock Sensor (KS) 1 -G61- and Knock Sensor (KS) 2 -G66- Component location (Scheme 618)
13. Intake Flap Motor -V157- with Intake Manifold Runner Position Sensor -G336- The intake manifold runner position sensor -G336- must be adapted to the engine control module -J623- after removing or replacing the fuel rail vehicle diagnosis, testing and information system VAS 5052 "Guided Function". Removing and installing, refer to «INTAKE FLAP MOTOR AND INTAKE MANIFOLD RUNNER POSITION SENSOR»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__intake-flap-motor-and-intake-manifold)
14. Charge Air Pressure Sensor -G31- Component location (Scheme 620)
15. Electrical Harness Connectors For the fuel injectors, camshaft position sensor -G40- and fuel pressure sensor -G247- Component location (Scheme 619)
16. EVAP Canister Purge Regulator Valve -N80- Component location (Scheme 630)
17. Turbocharger Recirculating Valve -N249- Component location (Scheme 630) Removing and installing, refer to «Removal and Installation»(ref-505805-S25714808202012100100000)
18. Throttle Valve Control Module -J338- and Throttle Drive for EPC -G186- Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC)) -G187- and Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) -G188- After replacing the throttle valve control module -J338-, it must be adapted to the engine control module -J623- see vehicle diagnosis and service system VAS 5052 "Guided Function".
19. Intake Air Temperature Sensor -G42
20. After-Run Coolant Pump -V51- Component location (Scheme 622)
21. Engine Coolant Temperature Sensor (on Radiator) -G83- Component location (Scheme 610)
22. Fuel Pressure Sensor -G247- 22 Nm Component location (Scheme 611) Removing and installing, refer to «FUEL PRESSURE SENSOR»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__fuel-pressure-sensor)
23. Camshaft Position Sensor -G40- Component location (Scheme 612)
24. A - Fuel Pump Control Module -J538- Component location (Scheme 615) If Fuel Pump (FP) Control Module -J538- is replaced, a fuel pump adaptation must be performed. Basic setting measured values block 103. Refer to «Diagnosis and Testing»(/audi/tt/8j-2006-2010/remont/fuel-system/#fuel-supply-system-roadster) or via Vehicle Diagnosis and Service System VAS 5052 "Guided Functions"
25. B - Brake Light Switch - F- and Brake Pedal Switch -F63- Component location (Scheme 617) Removing and installing, refer to «Removal and Installation»(/audi/tt/8j-2006-2010/remont/anti-locktraction-control/#anti-lock-brake-system-roadster)
26. C - Throttle Position Sensor -G79- and Accelerator Pedal Position Sensor 2 -G185- Component location (Scheme 608) On accelerator pedal (both sensors are stored in one housing) If the accelerator pedal module or engine control module is replaced in vehicles with automatic transmission, the kick-down function must be adapted. Removing and installing, refer to «Removal and Installation»(/audi/tt/8j-2006-2010/remont/fuel-system/#fuel-supply-system-roadster)
27. D - Clutch Position Sensor -G476- Component location (Scheme 616) Remove and install.
28. E - E-Box Relay and Fuse Carrier Relay and fuse assignment
29. F - Coolant Fan Control Control Module -J293- Component location (Scheme 621)
30. G - Fuel Injector In fuel rail pipe Removing and installing, refer to «FUEL INJECTORS»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__fuel-injectors) Cylinder 1 Fuel Injector -N30- Cylinder 2 Fuel Injector -N31- Cylinder 3 Fuel Injector -N32- Cylinder 4 Fuel Injector -N33- Fuel injectors referred to here are high pressure fuel injectors. They inject fuel directly into the cylinder under high pressure (max. approximately 110 bar).
31. H - Oxygen Sensor After Catalytic Converter -G130- and Oxygen Sensor Heater 1 After Catalytic Converter -Z29- Component location (Scheme 626) Removing and installing, refer to «OXYGEN SENSOR AFTER CATALYTIC CONVERTER AND OXYGEN SENSOR 1 HEATER»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__oxygen-sensor-after-catalytic-converter-and)
32. I - Knock Sensor I -G61- For cylinder 1 and 2 20 Nm Component location (Scheme 619)
33. J - Knock Sensor 2 -G66- For cylinder 3 and 4 20 Nm Component location (Scheme 619)
34. K - Oil Pressure Switch -F1- Component location (Scheme 619) Checking, removing and installing, refer to «Removal and Installation»(ref-505814-S32886081642012100100000)
35. L - Exhaust Flap Valve 1 -N321- Component location (Scheme 632)

Scheme 607

2 - Accelerator pedal module, electrical connector

Removing and installing. Refer to Removal and Installation

Scheme 608

Scheme 609

Scheme 610

1. Removing and installing, refer to «FUEL PRESSURE SENSOR»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__fuel-pressure-sensor)

Scheme 611

Scheme 612

Scheme 613

Scheme 614

1. If Fuel Pump Control Module -J538- is replaced, a fuel pump adaptation must be performed. Basic setting, measuring value block 103. Refer to «Diagnosis and Testing»(/audi/tt/8j-2006-2010/remont/fuel-system/#fuel-supply-system-roadster) .

Scheme 615

Remove and install. .

Scheme 616

Removing and installing. Refer to Removal and Installation .

Scheme 617

1 - 3-pin harness connector (green) for Knock Sensor (KS) 1 -G61

2 - 3-pin harness connector (brown) for Knock Sensor (KS) 2 -G66

3 - Oil pressure switch -F1

4 - Engine speed (RPM) sensor -G28

5 - 3-pin connector (gray) for Engine Speed (RPM) Sensor -G28

Scheme 618

1 - Knock Sensor (KS) I -G61

2 - Knock Sensor (KS) II -G66

3 - Oil pressure switch -F1

4 - 3-pin harness connector (brown) for Knock Sensor (KS) 2 -G66

5 - 3-pin connector (gray) for Engine Speed (RPM) Sensor -G28

6 - Electrical connector for Camshaft Position (CMP) Sensor -G40- and Fuel Pressure Sensor -G247

7 - 8-pin harness connector for fuel injectors

Scheme 619

Scheme 620

1 - Coolant Fan Control Module -J293-, connector

Note. The Coolant Fan Control Module -J293- is integrated in the Coolant Fan -V7-.

Scheme 621

Scheme 622

Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) Heater -Z19

Scheme 623

Scheme 624

Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) -Z29- on right of vehicle floor

Scheme 625

Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) -Z29

Scheme 626

1 - Turbocharger, removing and installing, refer to Removal and Installation

2 - Tighten wastegate bypass regulator valve -N75- to 3 Nm.

3 - Tighten turbocharger recirculating valve -N249- to 7 Nm (observe installation location, next illustration)

Scheme 627

Scheme 628

1 - Turbocharger, removing and installing, refer to Removal and Installation

2 - Tighten wastegate bypass regulator valve -N75- to 3 Nm.

Scheme 629

1 - Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80

2 - Turbocharger Recirculating Valve -N249

Scheme 630

Markings -arrows- must align.

Scheme 631

1 - Exhaust flap valve 1 -N321- connector

Check vacuum diaphragm for the exhaust flap. Refer to Diagnosis and Testing .

Scheme 632

1. Gasket Secured in bottom part of air filter housing
2. Front Air Guide Clean off dirt, leaves and salt residue
3. Bolt 2 Nm
4. Air Duct Lower Section Clean off dirt, leaves and salt residue
5. Air Duct Cover
6. Bolt 5 Nm
7. Bolt 3 Nm
8. Air Guide Hose
9. Mass Air Flow Sensor -G70- Removing and installing, refer to «MASS AIR FLOW SENSOR»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster)
10. Seal Replace if damaged
11. Air Filter Housing Upper Section Clean air filter housing-upper section of salt residue, dirt and leaves
12. Air Filter Element Removing and installing, refer to «AIR FILTER»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__air-filter) Always use a genuine air filter element Observe change intervals
13. Air Filter Housing Lower Section Clean air filter housing-lower section of salt residue, dirt and leaves Removing and installing, refer to «AIR FILTER HOUSING»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__air-filter-housing) Clean off dirt, leaves and salt residue
14. Bolt 10 Nm
15. Rubber Grommet
16. Bolt 10 Nm
17. Air Filter Housing Bracket
18. Retaining Pin 10 Nm
19. Rubber Grommet

Scheme 633

1. Intake Air Temperature Sensor -G42- Bolt 5 Nm
2. Intake Air Temperature Sensor -G42
3. Intake Manifold Removing and installing, refer to «INTAKE MANIFOLD WITH FUEL RAIL»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__intake-manifold-with-fuel-rail)
4. EVAP Canister Purge Regulator Valve -N80
5. Single-Piston High-Pressure Pump Bolt 3 pieces 10 Nm
6. Fuel Pressure Regulator Valve -N276
7. Mechanical Single-Piston High-Pressure Pump With Fuel Pressure Regulator Valve -N276- and Low Fuel Pressure Sensor -G410- An electrical fuel pump, located in the fuel tank, supplies fuel to the mechanical high-pressure pump at a pressure of approximately 6 bar. When installing the high-pressure pump, make sure that no dirt enters the fuel system. The fuel system must be pressureless, releasing fuel pressure. Refer to «BEFORE OPENING HIGH PRESSURE FUEL INJECTION SYSTEM»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__before-opening-high-pressure-fuel-injection) . Do not install fuel lines with tension Removing and installing, refer to «HIGH PRESSURE PUMP»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__high-pressure-pump)
8. Fuel Return Line to Fuel Tank Connection Do not install fuel line with tension (be aware of cleanliness)
9. Fuel Supply Line to Fuel Rail Replace connecting piece Tighten connections to 30 Nm Do not install fuel line with tension (be aware of cleanliness). Torque specification: 27 Nm.
10. Intake Flap Motor -V157- with Intake Manifold Runner Position Sensor -G336- After replacing the fuel rail, the intake manifold runner position sensor -G336- must be adapted to the engine control module vehicle diagnosis and service system VAS 5052 "Guided Function". Removing and installing, refer to «INTAKE FLAP MOTOR AND INTAKE MANIFOLD RUNNER POSITION SENSOR»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__intake-flap-motor-and-intake-manifold)
11. Intake Flap Motor -V157- with Intake Manifold Runner Position Sensor -G336- Bolt 7 Nm
12. Intake Manifold Support
13. Intake Manifold Support Bolt 23 Nm
14. Throttle Valve Control Module -J338-, Throttle Drive for Electronic Power Control -G186-, Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC)) -G187- and Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) -G188- After replacing the throttle valve control module -J338-, it must be adapted to the engine control module -J623- see vehicle diagnosis and service systemVAS 5052 "Guided Function".
15. Throttle Valve Control Module -J338- Bolt 4 pieces 7 Nm
16. Intake Manifold Support Nut 10 Nm
17. Seal Replace
18. Fuel Rail Removing and installing, refer to «INTAKE MANIFOLD WITH FUEL RAIL»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__intake-manifold-with-fuel-rail)
19. Fuel Pressure Sensor -G247- 20 Nm

Scheme 634

1. Radial Adjustment Replace if damaged
2. Fuel Injector With combustion chamber seal (Teflon seal), always replace Replace O-rings Note correct installation position Removing and installing, refer to «FUEL INJECTORS»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__fuel-injectors)
3. Support Ring
4. Fuel Rail Removing and installing, refer to «INTAKE MANIFOLD WITH FUEL RAIL»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__intake-manifold-with-fuel-rail)
5. Fuel Pressure Sensor -G247- 22 Nm Tighten connections to 30 Nm
6. Low Fuel Pressure Sensor -G410
7. Fuel Pressure Regulator Valve -N276
8. Mechanical Single-Piston High-Pressure Pump With Fuel Pressure Regulator Valve -N276- and Low Fuel Pressure Sensor -G410- An electrical fuel pump, located in the fuel tank, supplies fuel to the mechanical high-pressure pump at a pressure of approximately 6 bar. When installing high-pressure pump, make sure that no dirt enters the fuel system. The fuel system must be pressureless to install the high-pressure pump, releasing fuel pressure. Refer to «BEFORE OPENING HIGH PRESSURE FUEL INJECTION SYSTEM»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__before-opening-high-pressure-fuel-injection) . Do not install fuel lines with tension Removing and installing, refer to «HIGH PRESSURE PUMP»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__high-pressure-pump)
9. EVAP Canister Purge Regulator Valve -N80
10. Throttle Valve Control Module -J338-, Throttle Drive for Electronic Power Control -G186-, Throttle Drive Angle Sensor 1 (for Electronic Power Control (EPC)) -G187- and Throttle Drive Angle Sensor 2 (for Electronic Power Control (EPC)) -G188- After replacing the throttle valve control module -J338-, it must be adapted to the engine control module -J623- see vehicle diagnosis and service systemVAS 5052 "Guided Function".
11. Intake Air Temperature Sensor 2 -G299- 5 Nm
12. Intake Manifold Bolts 9 Nm
13. Intake Manifold Removing and installing, refer to «INTAKE MANIFOLD WITH FUEL RAIL»(/audi/tt/8j-2006-2010/remont/fuel-system/#20l-fuel-injection-system-engine-codes-bpy-cdma-roadster__intake-manifold-with-fuel-rail)