Overview - Exhaust Temperature Regulation, Vehicles With Two Turbochargers With Selective Catalytic Reduction System
WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Overview Of Exhaust Temperature Regulation, Vehicles With Two Turbochargers With Selective Catalytic Reduction System
- NOx Sensor 2 -G687- with NOx Sensor Control Module 2 -J881-
- Removing and installing, refer to NOX SENSOR 2 -G687-, REMOVING AND INSTALLING .
- Exhaust Gas Temperature Sensor 4 -G648-
- Removing and installing, refer to EXHAUST GAS TEMPERATURE SENSOR 2/4 -G648- / -G649-, REMOVING AND INSTALLING, VEHICLES WITH TWO TURBOCHARGERS .
- 45 Nm
- Catalytic Converter Heater 1 -Z119- /Catalytic Converter Heater 2 -Z120-
- Wire
- Remove using Puller T40317.
- Nut
- Tightening specification, refer to OVERVIEW - HEATED OXYGEN SENSOR, VEHICLES WITH TWO TURBOCHARGERS WITH SELECTIVE CATALYTIC REDUCTION SYSTEM .
- Exhaust Gas Temperature Sensor 2 -G448-
- Removing and installing, refer to EXHAUST GAS TEMPERATURE SENSOR 2 -G448-, INSTALLING AND REMOVING, VEHICLES WITH TWO TURBOCHARGERS .
- 45 Nm
- NOx Sensor -G295- with NOx Sensor Control Module -J583-
- Removing and installing, refer to NOx SENSOR -G295-, REMOVING AND INSTALLING, VEHICLES WITH TWO TURBOCHARGERS .
- Heated Oxygen Sensor -G39- with Oxygen Sensor Heater -Z19-
- Removing and installing, refer to HEATED OXYGEN SENSOR -G39-, REMOVING AND INSTALLING, VEHICLES WITH TWO TURBOCHARGERS .
- Exhaust Gas Temperature Sensor 1 -G235-
- Removing and installing, refer to EXHAUST GAS TEMPERATURE SENSOR 1 -G235-, INSTALLING AND REMOVING, VEHICLES WITH TWO TURBOCHARGERS .
- Coat the thread with hot bolt paste
- 45 Nm
- Exhaust Gas Temperature Sensor 3 -G495-
- Removing and installing, refer to EXHAUST GAS TEMPERATURE SENSOR 3 -G495-, REMOVING AND INSTALLING, VEHICLE WITH TWO TURBOCHARGERS .
- Coat the thread with hot bolt paste
- 45 Nm
- Pressure line for Differential Pressure Sensor -G505-
- Differential Pressure Sensor -G505-
- Removing and installing, refer to DIFFERENTIAL PRESSURE SENSOR -G505-, REMOVING AND INSTALLING .
- Bank 2 Exhaust Gas Temperature Sensor 4 -G649-
- Removing and installing, refer to EXHAUST GAS TEMPERATURE SENSOR 2/4 -G648- / -G649-, REMOVING AND INSTALLING, VEHICLES WITH TWO TURBOCHARGERS .
- Coat the thread with hot bolt paste
- 45 Nm