Engine Code CBTA Only

Exhaust Pipe with Catalytic Converter Overview






1 Exhaust Manifold

• Coat the stud bolts with hot bolt paste (G 052 118 A3).

2 Gasket

• Always replace.

• Note the installed position:

Gasket recess - arrow A - must be located at the exhaust manifold recess - arrow B -.

3 Nut

• 23 Nm

• Always replace.

4 Exhaust Pipe with Catalytic Converter

• Protect from shocks and impact stress.

• With the flex coupling element.

• Do not bend the flex coupling element more than 10° - otherwise it may get damaged.

• Removing and installing, refer to => [ Exhaust Pipe with Catalytic Converter ] Service and Repair.

• Install the exhaust system free of stress. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

5 Clamp

• Before tightening, ensure the exhaust system is free of tension. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

• Installed position, refer to => [ Installed Position of Clamp ].

• Tighten the nuts evenly.

6 Nut

• 23 Nm

7 Nut

• 20 Nm

8 Front Tunnel Bridge

9 Oxygen Sensor after Three Way Catalytic Converter (G130)

• 55 Nm

• Use the ring spanner 7-piece set (3337) for removal and installation.

• The threads of a new oxygen sensor are coated with assembly paste.

• When reusing an old oxygen sensor again, only use hot bolt paste (G 052 112 A3) to grease the threads, do not let the paste get onto the slits of the oxygen sensor body.

• If the sealing ring is leaking, cut it off and replace it.

10 Connector

• Brown, 4 pin

• Installed position, refer to => [ Oxygen Sensor Harness, Installed Position ].

11 Bolt

• 23 Nm

12 Suspended Mount

• Replace if damaged.

Installed Position of Clamp





The - arrow - points in the direction of travel.

- Align the clamp - 1 - to the mark on the pipe - 2 -.

- a -= 5 mm

The bolts must not project beyond the lower edge of the clamp.

Oxygen Sensor Harness, Installed Position





The connector is located to the right, on the vehicle floor under the cover.

1. Bracket

2. Harness connector for the oxygen sensor after three way catalytic converter, brown