Exhaust manifold, component overview
WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
1 - 25 Nm
- Replace
- Lubricate with hot bolt paste; Hot bolt paste
- Observe tightening sequence: Fasten exhaust manifold together with heat shield bracket in 2 steps according to the indicated tightening sequence, as follows. under Left exhaust manifold, removing and installing , Fasten exhaust manifold together with heat shield bracket in 2 steps according to indicated tightening sequence, as follows. under Right exhaust manifold, removing and installing
2 - Bracket for heat shield
3 - Exhaust manifold
- Removing and installing: Left → Left exhaust manifold, removing and installing , right → Right exhaust manifold, removing and installing
4 - Gasket
- Replace
5 - Heat shield
6 - 10 Nm
7 - Oxygen sensor, 55 Nm
- Before catalytic converter
- The threads of new oxygen sensors are coated with assembly paste; the paste must not get into slots of oxygen sensor body
- When re-using old oxygen sensor, grease threads with hot bolt paste; the paste must not get into slots of oxygen sensor body. Hot bolt paste
8 - Front exhaust pipe
- With decoupling element; Decoupling element must not be bent more than 10 ° otherwise it may be damaged
- Protect from shocks and impact stress
- Removing and installing: Left, Vehicles with manual transmission → Left front exhaust pipe with catalytic converter (vehicles with manual transmission), removing and installing , Vehicles with automatic transmission → Left front exhaust pipe with catalytic converter (vehicles with automatic transmission 09L), removing and installing , Right, Vehicles with manual transmission → Right front exhaust pipe with catalytic converter (vehicles with manual transmission), removing and installing , Vehicles with automatic transmission → Right front exhaust pipe with catalytic converter (vehicles with automatic transmission 09L), removing and installing
- Individual components of mounting: Left, Vehicles with manual transmission Individual left mounting components - vehicles with manual transmission , Vehicles with automatic transmission Individual left mounting components - vehicles with automatic transmission ; Right, Vehicles with manual transmission Individual right mounting components - vehicles with manual transmission , Vehicles with automatic transmission Individual right mounting components - vehicles with automatic transmission
- Install exhaust system free of stress → Exhaust system, installing free of tension
9 - 27 Nm
- Replace
- Lubricate with hot bolt paste; Hot bolt paste
10 - Gasket
- Replace