Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2008A3 BASE, 2.0 E, AUTOMATIC DCTREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 8 (2.0L - EXHAUST SYSTEM, EMISSION CONTROLS - ENGINE CODE(S): CBEA)26 EXHAUST SYSTEM, EMISSION CONTROLSDESCRIPTION AND OPERATIONEXHAUST TEMPERATURE CONTROL ASSEMBLY OVERVIEWNOTES
2008 Audi A3 Base, 2.0 E, Automatic DCT
Exhaust Temperature Control Assembly Overview: Notes
2008 Audi A3 Base, 2.0 E, Automatic DCTSECTION Notes
WARNING: This page is about a different car, the 2013 Audi A3, 2012 Audi A3, 2011 Audi A3, and 2010 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
- Bolt
- Tightening specifications, refer to Description and Operation
- Bolt
- Tightening specifications, refer to Description and Operation
- Differential Pressure Sensor -G505-
- Removing and installing, refer to Removal and Installation
- Control Pipe
- Control pipe from the exhaust gas return cooler to exhaust pressure sensor 1
- Exhaust Pressure Sensor 1 -G450-
- Removing and installing, refer to Removal and Installation
- Bolt
- Tightening specifications, refer to Description and Operation
- Bolt
- Tightening specifications, refer to Description and Operation
- Exhaust Gas Temperature Sensor 3 -G495-
- 45 Nm
- Removing and installing, refer to EXHAUST GAS TEMPERATURE SENSOR 3Β
- Note installation position EXHAUST TEMPERATURE CONTROL ASSEMBLY OVERVIEWΒ
- Coat with hot bolt paste; Hot bolt paste,
- Exhaust Gas Temperature Sensor 2 -G448-
- 45 Nm
- Removing and installing, refer to EXHAUST GAS TEMPERATURE SENSOR 2Β
- Note installation position EXHAUST TEMPERATURE CONTROL ASSEMBLY OVERVIEWΒ
- Coat with hot bolt paste; Hot bolt paste,
- Exhaust Gas Temperature Sensor 1 -G235-
- 45 Nm
- Mark the installation position before removing
- Removing and installing, refer to EXHAUST GAS TEMPERATURE SENSOR 1Β
- Coat with hot bolt paste; Hot bolt paste,
- Turbocharger
- Heated Oxygen Sensor -G39- with Oxygen Sensor Heater -Z19-
- Removing and installing, refer to Removal and Installation
- Exhaust Gas Temperature Sensor 4 -G648-
- 45 Nm
- Mark the installation position before removing
- Coat with hot bolt paste; Hot bolt paste,
- Lines, Routing, refer to LINE ROUTING, EXHAUST SYSTEM COMPONENTSΒ
- Particulate Filter
- Oxygen Sensor after Three Way Catalytic Converter -G130-
- Removing and installing, refer to Removal and Installation
- Lines, Routing, refer to LINE ROUTING, EXHAUST SYSTEM COMPONENTSΒ
- NOx Reduction Catalytic Converter
- Clamp
- Gasket
- Control Pipe
- Tightening specifications, refer to Description and Operation
- Do not change the angles of the control pipe
- Install without tension
- Nut
- 9 Nm
- Bracket
- For the control wire
- Bracket
- For the differential pressure sensor -G505-
- Bolt
- Tightening specifications, refer to Description and Operation
- Bracket
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.