Overview - Exhaust Temperature Regulation

Courtesy of AUDI OF AMERICA, LLC

1. Exhaust Gas Temperature Sensor 4 -G648-
   • 45 Nm
   • Removing and Installing. Refer to EXHAUST TEMPERATURE REGULATION COMPONENTS, REMOVING AND INSTALLING .
2. Dual Exhaust Temperature Sensor 1 -GX41-
   • Removing and Installing. Refer to EXHAUST TEMPERATURE REGULATION COMPONENTS, REMOVING AND INSTALLING .
3. Nut
   • Tightening specification -Item 3- OVERVIEW - HEATED OXYGEN SENSOR => List Item:Nut .
4. Exhaust Gas Temperature Sensor 3 -G495-
   • 45 Nm
   • Removing and Installing. Refer to EXHAUST TEMPERATURE REGULATION COMPONENTS, REMOVING AND INSTALLING .
5. Oxygen Sensor 1 after Catalytic Converter -GX7-
   • -Item 5- OVERVIEW - HEATED OXYGEN SENSOR => List Item:Oxygen Sensor 1 after Catalytic Converter -GX7-
6. Oxygen Sensor 1 Before Catalytic Converter -GX10-
   • -Item 6- OVERVIEW - HEATED OXYGEN SENSOR => List Item:Oxygen Sensor 1 Before Catalytic Converter -GX10-
7. Bolt
   • Tightening specification -Item 7- OVERVIEW - HEATED OXYGEN SENSOR => List Item:Bolt .
8. Particulate Filter Differential Pressure Sensor -G1037-
   • Removing and Installing. Refer to -Item 8- OVERVIEW - HEATED OXYGEN SENSOR => List Item:Particulate Filter Differential Pressure Sensor -G1037- .
9. Bracket
   • With control lines
10. Bolt
    • Tightening specification -Item 10- OVERVIEW - HEATED OXYGEN SENSOR => List Item:Bolt .
11. Bolt
    • Tightening specification -Item 11- OVERVIEW - HEATED OXYGEN SENSOR => List Item:Bolt .
12. Bracket
    • For control lines
13. Union Nut
    • Tightening specification -Item 13- OVERVIEW - HEATED OXYGEN SENSOR => List Item:Union Nut .
14. Union Nut
    • Tightening specification -Item 14- OVERVIEW - HEATED OXYGEN SENSOR => List Item:Union Nut .