Removing and installing front exhaust pipe - A4 (all), A5 from vehicle identification no. 8T-8-009 999 onwards — AUDI

🧭 Before you start

Fits: Audi A5 (8T, 2007–2016), Audi A5 Cabriolet (8F), Audi A4 B8 (8K, 2007–2015)

• Renewed: seals

Don't miss

• The nut (1) and bolt (3) are removed at a later stage.
• Disregard (item 1).
• Renew seals, gaskets and self-locking nuts.

🔧 Engine codes this applies to

📋 Procedure

1. Remove engine cover panel (arrows).
2. ⚠ Working on all parts of the exhaust system:Observe safety precautions when working on the exhaust system Safety precautions when working on the exhaust system. — Unplug electrical connector (1) for exhaust gas temperature sender and move wiring clear.
3. Remove bolts (2) and (3).
4. Detach heat shield for turbocharger.
5. Remove nuts (arrows) and detach particulate filter from turbocharger.

6. Remove nuts (accessible from above) (2) for front exhaust pipe. [Note: The nut (1) and bolt (3) are removed at a later stage.]
7. Remove rear noise insulation (2)General body repairs, exterior66Noise insulation; Exploded view - noise insulation.
8. If fitted, remove bolts (arrows) and detach front cross member.
9. Remove nut (1) and bolt (3) for front exhaust pipe.
10. If fitted, remove bolts (arrows) and detach front cross member.
11. Unplug electrical connector (2).
12. Release retaining clip (3) and detach injector for reducing agent N474. [Note: Disregard (item 1).]
13. Remove nuts (arrows).
14. Move front exhaust pipe clear of mounting (1) and detach.
15. ⚠ Risk of damage to flexible joint in front exhaust pipe.Do NOT bend flexible joint in front exhaust pipe more than 10°. — Loosen bolts (arrows), push back clamp and detach front exhaust pipe. [Note: Renew seals, gaskets and self-locking nuts.]
16. Install front cross member General body repairs, exterior66Underbody trim panels.
17. Install particulate filter .
18. Align the exhaust system so it is free of stress .
19. Install noise insulation General body repairs, exterior66Noise insulation; Exploded view - noise insulation.

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