Left Front Exhaust Pipe with Catalytic Converter

Left Front Exhaust Pipe with Catalytic Converter

Removing

• All cable ties which are opened or cut open when removing, must be replaced in the same position when installing.

- Pull rear engine cover off - arrows -.





- Remove coolant expansion tank - arrow -.





- Disconnect electrical connection from Engine Coolant Level (ECL) Warning Switch (F66) at bottom of coolant reservoir and set aside coolant reservoir with coolant hoses - 1 - and - 2 - connected.

- Disconnect the electrical harness connector - 2 - for Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131) and free up the wiring.





• Ignore - 1 -.

- Remove nut - 2 - which is accessible from top for front exhaust pipe/exhaust manifold.





• To improve clarity, the removed engine is shown from the rear.

- Remove left front wheel.

• Secure the brake disc with a wheel bolt.

- Remove noise insulation.





- Remove heat shield - arrows - for left drive axle.





- Remove subframe transverse beam - arrows -.





- Unbolt front transverse beam - arrows -.





Separate exhaust system at left clamping sleeve - 2 -.





• Ignore - 1 -.

• Do not bend the flex joint in front of the exhaust pipe more than 10° or it could be damaged.





- Remove bolts - 1 - at rear bracket for front exhaust pipe.

• Ignore - 2 - and - 3 -.

Vehicles with manual transmission and automatic transmission 09L:





- Remove bolt - 1 - at left bracket for front exhaust pipe.

• Shown in illustration on a vehicle with manual transmission.

• Ignore - 2 -.

Vehicles with multitronic transmission:





- Remove the bolts - 1 - and - 2 -.

- Remove left bracket for front exhaust pipe.

All:

- Remove nuts - 1 - and - 3 - which are accessible from bottom for front exhaust pipe/exhaust manifold.





• To improve clarity, the removed engine is shown.

- Remove front exhaust pipe with catalytic converter.

Installing

Installation is in reverse order of removal, note the following:

• Replace gaskets and self-locking nuts.

• During installation, all cable ties must be re-installed at the same location.

• Electrical wire of oxygen sensor must always be secured in the same position when installing so that contact with the exhaust pipe is avoided.

- Install subframe cross member.

- Install front cross member.

- Align exhaust system free of tension. Refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

• Individual components of exhaust system mounting. Refer to => [ Individual Left Mounting Components - Vehicles
with Multitronic Transmission ] Exhaust System, Vehicles with Front Wheel Drive Assembly Overview, => [ Individual Left Mounting Components - Vehicles
with Manual Transmission and Automatic Transmission 09L ]

Tightening Specifications