Component Location Overview - Engine Compartment: Notes

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Cylinder Head Coolant Valve -N489-
   • Component location. Refer to Cylinder Head Coolant Valve N489 Component Location 
2. Fuel Injectors
   • Cylinder 1 Fuel Injector -N30-
   • Cylinder 2 Fuel Injector -N31-
   • Cylinder 3 Fuel Injector -N32-
   • Cylinder 4 Fuel Injector -N33-
   • Overview. Refer to OVERVIEW - FUEL INJECTORS .
3. Differential Pressure Sensor -G505-
   • Equipped depending on the exhaust gas standard
   • Overview. Refer to OVERVIEW - HEATED OXYGEN SENSOR .
4. Exhaust Pressure Sensor 1 -G450-
   • Depending on the vehicle
   • Overview. Refer to OVERVIEW - HEATED OXYGEN SENSOR .
5. Charge Air Pressure Actuator Position Sensor -G581-
6. Engine Coolant Temperature Sensor -G62-
   • Overview. Refer to OVERVIEW - ENGINE COOLANT TEMPERATURE SENSOR .
7. Wastegate Bypass Regulator Valve -N75-
   • Wastegate Bypass Regulator Valve -N75- Connector. Refer to COMPONENT LOCATION OVERVIEW - ELECTRICAL CONNECTORS .
8. Mass Airflow Sensor -G70-
   • Component location. Refer to COMPONENT LOCATION OVERVIEW - ELECTRICAL CONNECTORS .
   • Overview. Refer to OVERVIEW - AIR FILTER HOUSING .
9. Engine Control Module -J623-
   • Removing and installing. Refer to Engine Control Module -J623-, REMOVING AND INSTALLING, ENGINE CONTROL MODULE WITH METAL RETAINER .
10. Charge Air Pressure Sensor -G31-
    • Overview. Refer to OVERVIEW - CHARGE AIR SYSTEM .
11. Intake Air Temperature Sensor -G42-
    • Overview. Refer to OVERVIEW - INTAKE MANIFOLD .
12. Fuel Pressure Regulator Valve -N276-
    • Overview. Refer to OVERVIEW - HIGH PRESSURE RESERVOIR (RAIL) .
13. Charge Air Temperature Sensor after Charge Air Cooler -G811-
    • Overview. Refer to OVERVIEW - INTAKE MANIFOLD .
14. Camshaft Position Sensor -G40-
    • Camshaft position sensor
    • Overview. Refer to OVERVIEW - GLOW PLUG SYSTEM .
15. Glow Plugs
    • Glow Plug 1 -Q10-
    • Glow Plug 2 -Q11-
    • Glow Plug 3 -Q12-
    • Glow Plug 4 -Q13-
    • Depending on the vehicle the glow plug are integrated in the combustion chamber pressure sensor.
      • Glow Plug 1 -Q10- with Cylinder 1 Combustion Chamber Pressure Sensor -G677-
      • Glow Plug 2 -Q11- with Cylinder 2 Combustion Chamber Pressure Sensor -G678-
      • Glow Plug 3 -Q12- with the Cylinder 3 Combustion Chamber Pressure Sensor -G679-
      • Glow Plug 4 -Q13- with the Cylinder 4 Combustion Chamber Pressure Sensor -G680-
    • Overview. Refer to OVERVIEW - GLOW PLUG SYSTEM .
16. Fuel Temperature Sensor
    • Depending on the vehicle different sensors can be installed.
      • Fuel Temperature Sensor -G81-
      • Fuel Low Pressure Temperature and Pressure Sensor -GX20-
    • Refer to Fuel Temperature Sensor -G81-, REMOVING AND INSTALLING 
    • Refer to Fuel Low Pressure Temperature and Pressure Sensor -GX20-, REMOVING AND INSTALLING 
17. Fuel Pressure Sensor -G247-
    • Overview. Refer to OVERVIEW - HIGH PRESSURE RESERVOIR (RAIL) .
18. High Pressure Pump
    • With Fuel Metering Valve -N290- (not open)
    • Overview. Refer to OVERVIEW - HIGH PRESSURE PUMP .