Audi Workshop Service and Repair Manuals

• ● Depending on vehicle version, a make-shift tool must be fashioned from an M10 or M14 bolt, respectively, in order to adjust the exhaust system position.
• ● The exhaust system must be aligned when cold.

Vehicles with hole ø10.5 mm in rear of tunnel cross piece:

• ‒ → Modify an M10 bolt according to the dimensions given to use as a tool for aligning the exhaust system.
• ‒ Dimension X = 4 mm
• ‒ Dimension Y = 25 mm

Vehicles with hole ø14.5 mm in rear of tunnel cross piece:

• ‒ → Modify an M14 bolt according to the dimensions given to use as a tool for aligning the exhaust system.
• ‒ Dimension X = 10 mm
• ‒ Dimension Y = 6 mm
• ‒ Dimension Z = 25 mm

All models:

• ‒ Slacken bolted connections on front clamping sleeve -Item 26-4.
• ‒ → Insert modified bolt (aligning tool) through rear bore -arrow- in tunnel cross piece, with flat part of bolt facing towards mounting pin on exhaust system.

Note:

With bolt inserted, exhaust system is pre tensioned in the direction of travel.

• ‒ Align centre and rear silencer horizontally:
• ‒ → The attachment bolt on exhaust pipe must be parallel to tunnel cross piece (dimension x on left and right is the same).

• ‒ → Position clamping sleeve in horizontal position at approx. 5 mm distance to mark "A" -arrow 1-.

Note:

Do not observe marking "S" -arrow 2-.

• ◆ Installation position of clamping sleeve =>Fig.26-6

• ‒ Align rear silencer so it is horizontal.
• ‒ Tighten bolted connections on clamp evenly to 40 Nm.