GTI (From 2010) With Engine Code CCTA

Exhaust System Overview






1 Nut

• 40 Nm

• Always replace.

• Coat the stud bolts on the exhaust manifold with hot bolt paste (G 052 112 A3).

•

2 Front Exhaust Pipe with Catalytic Converter


Danger of causing damage to the coupling element.

• Do not bend the coupling element more than 10°.

• Do not stretch the coupling element.

• Do not damage the wire mesh on the coupling element.

• Protect the catalytic converter from shocks and impact stress.

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

• Align the exhaust system free of tension. Refer to => [ Exhaust System, Aligning ] Procedures.

3 Oxygen Sensor after Three Way Catalytic Converter (G130)

• 55 Nm

• Bank 1, sensor 2.

• The threads of the new oxygen sensor are already coated with hot bolt paste.

• When reusing the old oxygen sensor, grease only the threads with hot bolt paste (G 052 112 A3) , the paste must not get into the slots in the oxygen sensor body.

4 Retaining Loop

• Replace if damaged.

5 Nut

• Tighten evenly. Refer to => [ Tightening Torque and Installed Dimension of the Clamping Sleeve ] Installed Position and Tightening Torque of the Clamping Sleeve.

6 Rear Muffler

• Original equipment as one unit with the center muffler. For repairs, replace each separately.

• Separating the exhaust system. Refer to => [ Center and Rear Muffler, Separating ] Service and Repair.

7 Suspended Mount

• Replace if damaged.

8 Bolt

• 25 Nm

9 Rear Clamping Sleeve

• For individual replacement of the center and rear mufflers.

• Tighten evenly. Refer to => [ Tightening Torque and Installed Dimension of the Clamping Sleeve ] Installed Position and Tightening Torque of the Clamping Sleeve.

10 Center Muffler

• Original equipment as one unit with the rear muffler. For repairs, replace each separately.

• Separating the exhaust system. Refer to => [ Center and Rear Muffler, Separating ] Service and Repair.

11 Bolt

• 25 Nm

12 Front Clamping Sleeve

• Tighten evenly. Refer to => [ Tightening Torque and Installed Dimension of the Clamping Sleeve ] Installed Position and Tightening Torque of the Clamping Sleeve.

13 Nut

• Tighten evenly. Refer to => [ Tightening Torque and Installed Dimension of the Clamping Sleeve ] Installed Position and Tightening Torque of the Clamping Sleeve.

14 Suspended Mount

• For the center muffler.

15 Suspended Mount

• Replace if damaged.

16 Gasket

• Always replace.

17 Heated Oxygen Sensor (G39)

• 55 Nm

• Bank 1, sensor 1.

• The threads of the new oxygen sensor are already coated with hot bolt paste.

• When reusing the old oxygen sensor, grease only the threads with hot bolt paste (G 052 112 A3) , the paste must not get into the slots in the oxygen sensor body.