Removing and installing main catalytic converters: Audi Q7 3.6 (BHK, BHL)

🧭 Before you start

Fits: Audi Q7 (4L, 2005–2015)

• Renewed: seals

Don't miss

• Disregard items marked (1 and 2).
• Renew seals and/or gaskets.

🔧 Engine codes this applies to

📋 Procedure

1. Activate jacking mode on vehicles with air suspension 43.
2. Unscrew bolts and remove noise insulation (rear) (2).
3. Remove bolts (1, 2, 3) at brackets for main catalytic converters.
4. ⚠ Risk of accident.Pull out engine and gearbox jackV.A.G 1383 A from beneath vehicle immediately after performing work. Do not leave jack under vehicle unattended. — Support gearbox using engine and gearbox jackV.A.G 1383 A with gearbox support T10337 attached as shown in the illustration. [Note: Disregard items marked (1 and 2).]
5. Remove bolts (1 and 2) for gearbox carrier.

6. Remove bolts (arrows) and remove gearbox carrier. [Note: Disregard items marked (1 and 2).]
7. Unfasten clamps (1 and 2).
8. ⚠ Avoid damage to flexible joints. Do not bend flexible joints in front exhaust pipe more than 10°. — Remove bolts (arrows) and pull out main catalytic converters from clamps. [Note: Renew seals and/or gaskets.]
9. Align gearbox carrier and secure 34 or 37.
10. Align the exhaust system so it is free of stress .
11. De-activate jacking mode on vehicles with air suspension 43.

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