Removing and installing right front exhaust pipe with catalytic converter — AUDI

🧭 Before you start

Fits: Audi A8 D2 (4D)

• Renewed: gaskets

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• To avoid damage, decoupling element in front exhaust pipe is not to be kinked by more than 10°.Make sure there is clearance at the connector for the lambda probe.

🔧 Engine codes this applies to

📐 28 workshop diagrams for ACK

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

📋 Procedure

1. Remove air hose between air mass meter and intake manifold (arrows).
2. Unplug connector (arrow) of lambda probe.
3. Take bottom part of connector out of holder.
4. Route wire to lambda probe downwards.
5. Unscrew exhaust manifold/front exhaust pipe nut accessible from above.

6. Remove heat shield for right drive shaft (arrows).
7. Unscrew nuts (arrows) at front exhaust pipe.
8. Unscrew mounting or
9. Unfasten right clamp (right arrow).
10. Detach right front exhaust pipe with catalytic converter and lambda probe. [Note: To avoid damage, decoupling element in front exhaust pipe is not to be kinked by more than 10°.Make sure there is clearance at the connector for the lambda probe.] [Note: Replace gaskets and self-locking nuts.]
11. Perform stress-free alignment of exhaust system (see the separate procedure). [Note: Re-attach all cable ties in the same locations on installation. On installation, the lambda probe wire is always to be re-attached at the same locations to stop the probe wire coming into contact with the exhaust pipe. Replace gaskets and self-locking nuts.]

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