Removing and installing catalytic converter with centre silencer, vehicles up to model year 2012 — AUDI

🧭 Before you start

Fits: Audi A1 (8X, 2010–2018)

• Renewed: gasket

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• Illustration shows fitting location on a vehicle with a dual clutch gearbox as an example.Disregard (items 1, 2, 3).
• Renew gasket and nuts.
• Risk of damage to flexible joint.While the catalytic converter is being secured to the engine, a second mechanic must take hold of the centre silencer to take the load off the flexible joint. — Install clips .

🔧 Engine codes this applies to

📐 60 workshop diagrams for CAXA

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

📋 Procedure

1. Remove bolts (arrows) and detach heat shield for turbocharger.
2. Remove nuts (arrows) for catalytic converter.
3. Move clear electrical wiring harness leading to alternator at catalytic converter.
4. Remove noise insulation General body repairs, exterior66Noise insulation; Removing and installing noise insulation.
5. Remove electrical connector (4) for Lambda probe G39 from bracket and unplug connector. [Note: Illustration shows fitting location on a vehicle with a dual clutch gearbox as an example.Disregard (items 1, 2, 3).]

6. Move clear electrical wiring harness at catalytic converter.
7. Remove bolts (1).
8. Press mountings (2) for exhaust system off pins.
9. Unscrew nuts (arrows) and push clamp towards rear.
10. Detach catalytic converter with centre silencer from underneath. [Note: Renew gasket and nuts.]
11. Note sequence for installing catalytic converter:
12. ⚠ Risk of damage to flexible joint.While the catalytic converter is being secured to the engine, a second mechanic must take hold of the centre silencer to take the load off the flexible joint. — Install clips .
13. Secure catalytic converter in 6 stages as follows:
14. Engage centre silencer in rubber mountings.
15. Align the exhaust system so it is free of stress .
16. Install heat shield for turbocharger .

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