Remove catalytic converter

Preliminary work 

• Refer to REMOVING INTAKE PORT .
• Refer to REMOVING INTAKE SILENCER HOUSING .
• Refer to REMOVING LEFT AND RIGHT WIPER ARM .
• Refer to REMOVING THE REAR HOOD SEAL .
• Refer to REMOVING LEFT WINDSHIELD PANEL COVER .
• Refer to REMOVING RIGHT WINDSHIELD PANEL COVER .
• Refer to REMOVING BATTERY COVER .
• Refer to DEACTIVATING VEHICLE-SPECIFIC HIGH-VOLTAGE OR LOW-VOLTAGE VEHICLE ELECTRICAL SYSTEM .
• Refer to REMOVING THE SECOND FIREWALL AT TOP .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING CLEAN AIR PIPE .
• Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
• Refer to REMOVING THE OXYGEN SENSOR MONITOR .
• Refer to REMOVING FRONT RIGHT WHEEL .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION WITH THE THRUST FIELD .
• Refer to REMOVING REAR UNDERBODY PROTECTION .
• Refer to REMOVING REAR TUNNEL CONNECTING SUPPORT .
• Refer to REMOVING REAR LEFT TORSION STRUT .
• Refer to REMOVING COMPLETE EXHAUST SYSTEM .

If installed: Removing the differential pressure sensor with the pressure line 

• Unlock the detents (1) carefully.
• Guide out and remove the cover (2).

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• Unlock plug connection (1) and disconnect.
• Disconnect the pressure hose (2).
• Loosen screw (3).
• Feed out differential pressure sensor (4) and remove.

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• Version A 

  Release the union nut (1) with special tool 5 A19 557  .

  Feed the pressure hose (2) out of the holder (3) and remove.

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• Version B 

  Release the union nut (1) with special tool 5 A19 557  .

  Feed the pressure hose (2) out of the holder (3) and remove.

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• Loosen screw (1).
• Feed out coolant line (2) from the holder (3) and place to one side.

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• Loosen screw (1).

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• Loosen screw (1).
• Feed out and remove the heat shield (2).

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• Loosen screws (1).
• Feed out heat shield (2) on the exhaust turbocharger at the top and remove.

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• Loosen screw (1).

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• Remove screws (arrows).

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• Feed out heat shield (1) from the heat shield (2) and remove.

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• Loosen screws (1).
• Feed out the exhaust duct (2) at the bottom and remove it.

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• Loosen screw (1).
• Feed out the exhaust duct (2) at the top and remove it.

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• Loosen nuts (1).
• Feed out and remove the heat shield (2).

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• Loosen the rubber mount (1) from the catalytic converter.
• Check rubber mount (1) for damage, replace if necessary.

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• Loosen nuts (1).

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• Loosen V-ribbon clip (1) on the catalytic converter (2).

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• Feed the catalytic converter (1) out to the top and remove.

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