312000453 - 1072C16 EXHAUST MANIFOLD WITH CATALYTIC CONVERTER - R.R.

Removing ( Refitting ) - Position the vehicle on a lift.- Disconnect the negative battery terminal.

	Description	Connector
-	Battery	See A001 BATTERY

    Op. 1048A23 COLD AIR INTAKE FOR AIR FILTER - R.R     Op. 1048A32 HOSE FROM AIR FILTER TO INTAKE MANIFOLD - R + R    Op. 1048A10 AIR FILTER ASSEMBLY - R.R.     Op. 1072C44 EXHAUST MANIFOLD HEAT SHIELD - R+R 1. Undo nuts (1a) and bolt (1b) and disconnect exhaust pipe (1c) from catalytic converter (1d); keep the gasket.- Disconnect the exhaust pipe from the flexible mountings, move it aside and secure it appropriately. 1. Disconnect the electrical connection for the upper Lambda sensor.

	Description	Connector
1	Lambda sensor on catalytic converter	See K017 LAMBDA SENSOR ON CATALYZER

2. Disconnect the electrical connection for the lower Lambda sensor.

	Description	Connector
2	Lambda sensor on catalytic converter	See K018 LAMBDA SENSOR ON CATALYZER - 2

1. Undo nuts (1a) and remove exhaust manifold assembly (1b).- Remove the exhaust manifold gasket. - If necessary, remove the upper and lower Lambda sensors from the catalytic converter. Refitting ( Removing ) - Place the upper and lower Lambda sensors back in their housings and secure them to the catalytic converter, tightening them to the recommended torque.

Component	Fastening	dia	Value (daNm)	Validity
Lambda sensor	-	M18x1.5	4.5	all versions

- Place the exhaust manifold, complete with new gasket, back in its housing and secure it by tightening the nuts to the recommended torque.

Component	Fastening	dia	Value (daNm)	Validity
Exhaust manifold (on cylinder head)	Nut	M8	1.0 + 60°	1.2 8v1.4 16V

- Release the exhaust pipe from the temporary fastening and connect it to the mounting bracket using the flexible mountings.- Place the exhaust pipe and catalytic converter gasket in its housing.- Connect the exhaust pipe to the catalytic converter and secure by tightening the nuts to the specified torque.

Component	Fastening	dia	Value (daNm)	Validity
Flange securing catalytic converter to flexible section	Nut	M8	2.5	1.4 16V

- Connect the exhaust pipe collar and secure it by tightening the bolt to the recommended torque.

Component	Fastening	dia	Value (daNm)	Validity
Exhaust pipe front mounting bracket	Bolt / Nut	M10x1.25	5.0	all versions

- Connect the electrical connection for the lower Lambda sensor.

	Description	Connector
-	Lambda sensor on catalytic converter	See K018

2. Connect the electrical connection for the upper Lambda sensor.

	Description	Connector
-	Lambda sensor on catalytic converter	See K017 LAMBDA SENSOR ON CATALYZER

    Op. 1072C44 EXHAUST MANIFOLD HEAT SHIELD - R+R     Op. 1048A10 AIR FILTER ASSEMBLY - R.R.     Op. 1048A32 HOSE FROM AIR FILTER TO INTAKE MANIFOLD - R + R    Op. 1048A23 COLD AIR INTAKE FOR AIR FILTER - R.R - Connect the negative battery terminal.

	Description	Connector
-	Battery	See A001 BATTERY

- Remove the vehicle from the lift.