Overview - Emissions Control System
WARNING: This page is about a different car, the 2024 Audi Q3 and 2023 Audi Q3. However, it is still accessible from the selected car via links, so may be relevant.
- Bolt
- 20 Nm
- Bracket
- Replace if damaged
- Catalytic Converter
- There are different versions. Refer to the appropriate Electronic Parts Information.
- Depending on the emissions standard with integrated particulate filter
- Protect from shocks and impact stress
- Catalytic Converter, Removing and Installing. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .
- Particulate Filter, Removing and Installing. Refer to PARTICULATE FILTER, REMOVING AND INSTALLING .
- Exhaust System, Installing without Tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
- Bolt
- 23 Nm
- Nut
Tightening specification and sequence. Refer to Fig 3.
- Bracket
- For catalytic converter
- Bracket
- For catalytic converter
- Screw-Type Clamp
- Seal
- Always replace after removing
- Turbocharger
- Overview. Refer to OVERVIEW - TURBOCHARGER .
- Nut
Tightening specification and sequence. Refer to Fig 3.
- Clamping Sleeve
- Before tightening, align the exhaust system without tension. Refer to Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .
- Installation position. Refer to Figure.
- Tighten threaded connections evenly.
- Nut
- 23 Nm
Installation Position Of The Catalytic Converter Screw-Type Clamp
- Angle -α- = 30°.
Catalytic Converter - Tightening Specification and Sequence
-- Tighten the threaded connections in steps in the sequence shown:
| Step | Screw-type clamp/nuts | Tightening Specification |
|---|---|---|
| 1. | -1, 3 and 4- | Install all the way by hand
|
| 2. | -2- | Tighten the screw-type clamp to 15 Nm. |
| 3. | -1, 3 and 4- | Tighten to 20 Nm |