Removing and installing front exhaust pipe (right-side) with catalytic converter - vehicles with automatic gearbox 09L — AUDI

🧭 Before you start

Fits: Audi A4 Cabriolet B6/B7 (8H), Audi A4 B6/B7 (8E)

• Renewed: gaskets

Don't miss

• Disregard (item 1).
• Shown from rear with engine removed for illustration purposes.
• Shown in illustration with engine removed.
• Disregard (item 2).
• Mounting components for exhaust system .

🔧 Engine codes this applies to

📐 26 workshop diagrams for AUK

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

📋 Procedure

1. Pull off engine cover panel (rear) (arrows).
2. Pull non-return valve (1) off connection at air intake hose.
3. Remove air intake hose. To do so, release hose clip (2) and clamps (arrows).
4. Unplug electrical connector (2) for Lambda probe after catalytic converter G130 and move wiring clear (downwards). [Note: Disregard (item 1).]
5. Unscrew nut (2) (accessible from above) connecting front exhaust pipe to exhaust manifold. [Note: Shown from rear with engine removed for illustration purposes.]

6. Remove front right wheel.
7. Vehicles with auxiliary heater: remove bolts (arrows) securing exhaust pipe for auxiliary/additional heater to noise insulation.
8. Open quick-release fasteners (1 … 3) and take off front and rear noise insulation.
9. Unbolt heat shield (1) for drive shaft (right-side).
10. Unscrew nuts (1) and (3) (accessible from below) connecting front exhaust pipe to exhaust manifold. [Note: Shown in illustration with engine removed.]
11. Loosen clamps on exhaust system (arrows) and disconnect exhaust pipes.
12. Apply lifting column of engine/gearbox jackV.A.G 1383 A centrally below cast lug on gearbox housing (arrow) and support gearbox from below.
13. First remove bolts (2) and (3) and then subframe securing bolts (1) and (4).
14. Lower gearbox and subframe slowly using engine/gearbox jackV.A.G 1383 A until dimension (a) is reached.
15. Remove bolt (1) on bracket (right-side) for front exhaust pipe. [Note: Disregard (item 2).]
16. Remove front exhaust pipe with catalytic converter. [Note: Renew gaskets, O-ring and self-locking nuts.Secure all hose connections with the correct type of hose clips (same as original equipment) Electronic parts catalogue.Fit all cable ties in the original positions when installing.When installing, the Lambda probe wire must always be reattached at the same locations to prevent it from coming into contact with the exhaust pipe.]
17. Install subframe 40.
18. Align exhaust system so it is free of stress . [Note: Mounting components for exhaust system .]

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