A4 Quattro Sedan L4-2.0L Turbo (CAEB) (2009)
‹› 23 Nm
5
Bracket
6
Retaining loop
‹› Replace if damaged
7
Nut
‹› 25 Nm
8
Front clamping sleeve
‹› Before tightening, align exhaust system tension-free, refer to => [ Exhaust System, Installing ] See: Service and Repair/Exhaust System
Components, A4 Sedan and A5 Coupe
‹› Installed location => [ Installed position of front clamping sleeve ]
‹› Tighten bolts evenly
9
Gasket
‹› Replace
10
Nut
‹› 25 Nm
11
Catalytic converter
‹› Protect catalytic converter from shocks and impact stress
‹› Removing and installing, refer to => [ Catalytic Converter ] See: Service and Repair/Exhaust System Components, A4 Sedan and A5 Coupe
‹› Install exhaust system free of stress, refer to => [ Exhaust System, Installing ] See: Service and Repair/Exhaust System Components, A4 Sedan
and A5 Coupe
12
Nut
‹› 40 Nm
‹› Replace
‹› Coat turbocharger stud bolts with hot bolt paste.
‹› Hot bolt paste.
13
Gasket
‹› Replace
14
Heated Oxygen Sensor (HO2S) (G39) and Oxygen Sensor (O2S) Heater (Z19)
‹› Threads on new oxygen sensors are coated with assembly paste
‹› When re-installing a used oxygen sensor, coat threads with hot bolt paste
‹› Assembly paste or hot bolt paste must not get onto slots of sensor body.
15
Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) and Oxygen Sensor (O2S) Heater 1 (behind Three Way
Catalytic Converter (TWC)) (Z29)
‹› Threads on new oxygen sensors are coated with assembly paste