Audi Workshop Service and Repair Manuals

Removing

• ‒ → Unbolt connector cover -1- (-arrows-).
• ‒ Unplug electrical connectors and move clear wiring for lambda probes.

• ‒ → Remove heat shield for right drive shaft -arrows-.

Note:

The flexible pipe connection (de-coupling element) on the front exhaust pipe must not be bent more than 10 °- otherwise it can be damaged.

• ‒ → Unscrew retaining nuts -arrows- for front exhaust pipe/exhaust manifold.

• ‒ → Slacken clamp -arrows- on exhaust system and disconnect exhaust pipe.
• ‒ Pivot front exhaust pipe 180° and detach.

Installing

Install in reverse sequence; note the following points:

Notes:

• ◆ Always renew seals, gaskets and self-locking nuts.
• ◆ On vehicles with engine code letters APG, note the installation position of the gasket between exhaust manifold and front exhaust pipe: the notch on gasket flange points to rear (towards lambda probe)

• ‒ → Tighten nuts securing front exhaust pipe to exhaust manifold in sequence shown in illustration.
• ‒ Aligning exhaust system free of stress =>
  Page 26-18.

Tightening torque

    1)    Coat studs on exhaust manifold with high-temperature paste;
        for high temperature paste refer to:

=> Parts catalogue