All Wheel Drive

Front Exhaust Pipes with Catalytic Converters and Front Mufflers

Special tools, testers and auxiliary items required

• Ring Spanner 7-piece Set (3337)

• Torque Wrench (5-50 Nm) (V.A.G 1331)

• Torque Wrench (40-200 Nm) (V.A.G 1332)

Removing

- Remove the suction jet pump from the intake manifold if applicable.

- Remove the upper intake manifold. Refer to => [ Upper Intake Manifold ] Upper Intake Manifold.

- Remove the coolant pipe from the heat shield - arrows -. Remove the bolts - 1 - and then remove the heat shield and intake manifold support.






- Remove the heated oxygen sensor and heated oxygen sensor 2. Refer to => [ Heated Oxygen Sensor G39 and Heated Oxygen Sensor 2 G108 ] Heated Oxygen Sensor G39 and Heated Oxygen Sensor 2 G108.

- Disconnect the connectors - 2 and 4 - for the oxygen sensor after three way catalytic converter and oxygen sensor 2 after catalytic converter.






- Free up the electrical wires to the oxygen sensors.

- Remove the oxygen sensor after three way catalytic converter and oxygen sensor 2 after catalytic converter.

- Remove the nuts for the front exhaust pipe to exhaust manifold - arrows -.






• Do not bend the coupling elements of the exhaust pipes more than 20° or they could be damaged. Two technicians are needed to perform the removal procedure.

- Remove the suspended mount to subframe bolts - arrows -.






- Disconnect the exhaust system at the clamping sleeve - arrows -.






- Remove the front exhaust pipe with the catalytic converters and front mufflers from the exhaust manifold.

Installing

Installation is carried out in the reverse order while noting the following:

• Replace gaskets and self locking nuts.

Tightening Specifications