Removing and installing front exhaust pipe - vehicles with four-wheel drive — AUDI

🧭 Before you start

Fits: Audi A6/A7 C7 (4G, 2011–2018)

• Renewed: gaskets

Don't miss

• The nut (1) and bolt (3) are removed at a later stage.
• Risk of damage to flexible joint in front exhaust pipe.Do NOT bend flexible joint in front exhaust pipe more than 10°. — Loosen bolt connections (arrows) on clamp.
• Disregard (item 1).
• Renew gaskets and self-locking nuts.

🔧 Engine codes this applies to

📐 1 workshop diagram for CDUC

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. ⚠ When working on all parts of the exhaust system:Observe safety precautions when working on the exhaust system . — Remove engine cover panel .
2. Remove nuts (accessible from above) (2) for front exhaust pipe. [Note: The nut (1) and bolt (3) are removed at a later stage.]
3. Remove noise insulation (rear) General body repairs, exterior66Noise insulation; Removing and installing noise insulation.
4. ⚠ Risk of damage to flexible joint in front exhaust pipe.Do NOT bend flexible joint in front exhaust pipe more than 10°. — Loosen bolt connections (arrows) on clamp.
5. Push clamp back and lower front exhaust pipe slightly.

6. Unplug electrical connector (2).
7. Release retaining clip (3) and detach injector for reducing agent N474. [Note: Disregard (item 1).]
8. Remove bolts (1) and nuts (2) and lower exhaust pipe slightly.
9. Remove nut (1) and bolt (3) and detach front exhaust pipe. [Note: Renew gaskets and self-locking nuts.]
10. Align the exhaust system so it is free of stress .

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