A8 Quattro Sedan V8-4.2L (BVJ) (2008)
6
Gasket
‹› Replace
7
Exhaust manifold with catalytic converter
‹› Protect from shocks and impact stress
‹› Removing and installing, refer to: Left => [ Left Exhaust Manifold with Catalytic Converter ] See: Exhaust Manifold/Service and Repair/Left
Exhaust Manifold with Catalytic Converter, right => [ Right Exhaust Manifold with Catalytic Converter ] See: Exhaust Manifold/Service and
Repair/Right Exhaust Manifold With Catalytic Converter
8
Front exhaust pipe
‹› With flex joint
CAUTION!
Risk of damaging decoupling elements in front exhaust pipe.
‹› Do not bend decoupling elements in front exhaust pipe more than 10°.
‹› In original equipment as one unit with front muffler. For repairs, replace each separately.
‹› Removing and installing, refer to: Left => [ Left Front Muffler ] See: Left Front Muffler, right => [ Right Front Muffler ] See: Right Front
Muffler
‹› Separating point => [ Separate the exhaust pipes at the separating point using at a right angle. ] See: Exhaust Pipe/Service and Repair/Front
Exhaust Pipe and Front Muffler, Separating
‹› Install exhaust system free of stress, refer to => [ Exhaust System, Installing ] See: Service and Repair/Removal and Replacement
9
Front muffler
‹› In original equipment as one unit with front exhaust pipe. For repairs, replace each separately.
‹› Removing and installing, refer to: Left => [ Left Front Muffler ] See: Left Front Muffler, right => [ Right Front Muffler ] See: Right Front
Muffler
‹› Separating point => [ Separate the exhaust pipes at the separating
point using at a right angle. ] See: Exhaust Pipe/Service and Repair/Front Exhaust Pipe and Front Muffler, Separating
‹› Install exhaust system free of stress, refer to => [ Exhaust System, Installing ] See: Service and Repair/Removal and Replacement
10
Nut
‹› 23 Nm
11
Clamping sleeve in the center
‹› Position clamping sleeve centrally to separation point
‹› Installed location => [ Installation position of front and center clamping
sleeves ]
‹› Before tightening, align exhaust system so that it is tension-free, refer to => [ Exhaust System, Installing ] See: Service and Repair/Removal
and Replacement
‹› Tighten threaded connections evenly.
12
Front clamping sleeve
‹› For individual replacement of front exhaust pipe and front muffler
‹› Position clamping sleeve centrally to separation point