TSB : Fuel Injection System, Component Location Overview, Vehicles With The Engine Code CGQB

Details

Engine Compartment NOTE: Heated oxygen sensor and exhaust gas temperature sensor component locations, refer to OVERVIEW - HEATED OXYGEN SENSOR, VEHICLES WITH ENGINE CODE CGQB . Fig 1: Fuel Injection System Component Location Courtesy of AUDI OF AMERICA, LLC Air Filter Bypass Door Valve -N275- Overview, refer to OVERVIEW - AIR FILTER HOUSING . Mass Airflow Sensor -G70- Overview, refer to OVERVIEW - AIR FILTER HOUSING . Structure Borne Sound Control Module -J869- Overview, refer to STRUCTURE BORNE SOUND ACTUATOR AND CONTROL MODULE ASSEMBLY OVERVIEW . Structure-Borne Sound Actuator -R214- Overview, refer to STRUCTURE BORNE SOUND ACTUATOR AND CONTROL MODULE ASSEMBLY OVERVIEW . Accelerator Pedal Position Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185- Component location Figure . Brake Booster Pressure Sensor -G294- Brake Lamp Switch -F- /Idle Air Control Thermal Switch -F74- Component location Figure . Clutch Position Sensor -G476- with Clutch Pedal Switch - F36- and Clutch Pedal Starter Interlock Switch - F194- Only for vehicles with manual transmissions Engine Control Module -J623- Component location Figure . Removing and installing, refer to Engine Control Module -J623-, REMOVING AND INSTALLING . Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42- Overview, refer to OVERVIEW - CHARGE AIR SYSTEM . Left Electrohydraulic Engine Mount Solenoid Valve -N144- Component location Figure . Control Valve Position Sensor -G584- Component location Fig 5 . Overview, refer to OVERVIEW - TURBOCHARGER, VEHICLES WITH ENGINE CODE CGQB . Engine Speed Sensor -G28- Component location Figure . Overview, refer to OVERVIEW - GLOW PLUG SYSTEM . Differential Pressure Sensor -G505- Overview, refer to OVERVIEW - HEATED OXYGEN SENSOR . Right Electrohydraulic Engine Mount Solenoid Valve -N145- Component location Figure . Engine Coolant Temperature Sensor on Radiator Outlet -G83- Version 1 component location Figure , Version 2 component location Fig 4 Overview, refer to OVERVIEW - RADIATOR/COOLANT FAN . Engine Top Fig 2: Engine top Replacement Components Courtesy of AUDI OF AMERICA, LLC Fuel Pressure Regulator Valve -N276- Overview, refer to OVERVIEW - HIGH PRESSURE PUMP . Cylinder 1 Fuel Injector -N30- Overview, refer to OVERVIEW - HIGH PRESSURE PUMP . Glow Plug 1 -Q10- Overview, refer to OVERVIEW - GLOW PLUG SYSTEM . Cylinder 2 Fuel Injector -N31- Overview, refer to OVERVIEW - HIGH PRESSURE PUMP . Camshaft Position Sensor -G40- Overview, refer to OVERVIEW - GLOW PLUG SYSTEM . Glow Plug 2 -Q11- Overview, refer to OVERVIEW - GLOW PLUG SYSTEM . Cylinder 3 Fuel Injector -N32- Overview, refer to OVERVIEW - HIGH PRESSURE PUMP . Glow Plug 3 -Q12- Overview, refer to OVERVIEW - GLOW PLUG SYSTEM . Fuel Temperature Sensor -G81- Exhaust Gas Temperature Sensor 1 -G235- Overview, refer to OVERVIEW - EXHAUST TEMPERATURE REGULATION, VEHICLES WITH ENGINE CODE CGQB . Fuel Metering Valve -N290- Component location Figure . Charge Air Pressure Sensor 2 -G447- Overview, refer to OVERVIEW - TURBOCHARGER, VEHICLES WITH ENGINE CODE CGQB . Turbocharger Control Module 1 -J724- At turbocharger Overview, refer to OVERVIEW - TURBOCHARGER, VEHICLES WITH ENGINE CODE CGQB . EGR Motor -V338- Overview, refer to OVERVIEW - EXHAUST GAS RECIRCULATION . Glow Plug 6 -Q15- Overview, refer to OVERVIEW - GLOW PLUG SYSTEM . Cylinder 6 Fuel Injector -N84- Overview, refer to OVERVIEW - HIGH PRESSURE PUMP . Glow Plug 5 -Q14- Overview, refer to OVERVIEW - GLOW PLUG SYSTEM . Cylinder 5 Fuel Injector -N83- Overview, refer to OVERVIEW - HIGH PRESSURE PUMP . Heated Oxygen Sensor -G39- connector Fuel Pressure Sensor -G247- Removing and installing, refer to Fuel Pressure Sensor -G247-, REMOVING AND INSTALLING . Cylinder 4 Fuel Injector -N33- Overview, refer to OVERVIEW - HIGH PRESSURE PUMP . Glow Plug 4 -Q13- Overview, refer to OVERVIEW - GLOW PLUG SYSTEM . Engine Coolant Temperature Sensor -G62- Overview, refer to OVERVIEW - EXHAUST GAS RECIRCULATION . EGR Temperature Sensor -G98- Overview, refer to OVERVIEW - EXHAUST GAS RECIRCULATION . EGR Cooler Switch-Over Valve -N345- Connector for the Wastegate Bypass Regulator Valve -N75- Connector for the Cylinder Head Coolant Valve -N489- Wastegate Bypass Regulator Valve -N75- Cylinder Head Coolant Valve -N489- Restrictor in the Fuel Return Line Checking, refer to FUEL RETURN LINE RESTRICTOR, CHECKING . Engine front Fig 3: Engine front Replacement Components Courtesy of AUDI OF AMERICA, LLC Oil Level Thermal Sensor -G266- Overview, refer to OVERVIEW - OIL PAN/OIL PUMP, OIL PAN LOWER SECTION AND OIL PUMP . Map Controlled Engine Cooling Thermostat -F265- Overview, refer to OVERVIEW - OIL FILTER HOUSING/OIL PRESSURE SWITCH . Oil Temperature Sensor 2 -G664- Component location Figure . Overview, refer to SEALING FLANGE - BELT PULLEY SIDE ASSEMBLY OVERVIEW . Oil Pressure Switch -F22- Overview, refer to OVERVIEW - OIL FILTER HOUSING/OIL PRESSURE SWITCH . Reduced Oil Pressure Switch -F378- Overview, refer to OVERVIEW - OIL FILTER HOUSING/OIL PRESSURE SWITCH . EGR Cooler Switch-Over Valve -N345- Intake Flap Motor -V157- Overview, refer to OVERVIEW - INTAKE MANIFOLD . Throttle Valve Control Module -J338- Overview, refer to OVERVIEW - INTAKE MANIFOLD . Turbine Switch-Over Valve -N529- Engine Temperature Control Sensor -G694- Oil Pressure Regulation Valve -N428- Overview, refer to OVERVIEW - OIL PAN/OIL PUMP, OIL PAN UPPER SECTION . Fig 4: Engine Coolant Temperature Sensor on Radiator Outlet -G83- component location Courtesy of AUDI OF AMERICA, LLC Removing and installing, refer to Engine Coolant Temperature Sensor on Radiator Outlet -G83-, REMOVING AND INSTALLING . Fig 5: Control Valve Position Sensor -G584- Courtesy of AUDI OF AMERICA, LLC Fig 6: Engine sound generator actuator component location Courtesy of AUDI OF AMERICA, LLC Right Engine Sound Generator Actuator 1 -R257-, left Engine Sound Generator Actuator 2 -R258-. On the rear muffler -arrow-. NOTE: The engine sound generator actuators are integrated in the rear muffler and cannot be replaced separately. Fig 7: Component location Engine Sound Generator Control Module -J943- Courtesy of AUDI OF AMERICA, LLC Rear left luggage compartment floor. Removing and installing, refer to Engine Sound Generator Control Module -J943-, REMOVING AND INSTALLING . Tightening specification: 9 Nm.