1080B93 RIGHT UPPER LAMBDA SENSOR R R (AUTOMATIC TRANSMISSION) - Alfa - 166 - eLearn

3314164 - 1080B93 right upper lambda sensor r r (Automatic transmission)

) Place the car on the ramp. Ensure that the ignition key is in stop position, then disconnect the battery negative terminal ( - 5530B10 battery - r+r ).

	Name	Connector
-	Battery	A1B

Proceed with the removal - 7040D12 engine front side cover (one) lh or rh - r r (Right and left sides). Proceed with the removal - 7040D14 engine bay rear side cover (one) lh or rh - r r (Right side). Proceed with removal - 7040D30 engine bay front beam cover - r r . 1. Loosen the band (1a) and disconnect the oil vapour recirculation pipe (1b) from the left cylinder head.2. Loosen the bands (2a) and remove the hose from the flow meter to the air chamber (2b) complete with resonator (2c).

1. Open the electrical connections box cover.2. Disconnect the electrical connection for the right Lambda sensor.

	Name	Connector
2	Lambda sensor on pre-catalyzer-2	K16

3. Disconnect the electrical connection from the throttle body integrated with the D.V.L.

	Name	Connector
3	Integrated throttle body actuator	N75

4. Loosen the band (4a) and disconnect the vacuum intake pipe (4b) from the air capacity chamber.5. Disconnect the fuel vapour recirculation pipe quick-release fitting from the air chamber.

1. Open the electrical connections box cover.2. Disconnect the engine coupling.

	Name	Connector
2	Engine-i.e coupling.	D24

3. Disconnect the electrical connections (3a) and (3b) for the rear Lambda sensors and the catalytic converter.

	Name	Connector
3a	Lambda sensor on post-catalyzer	K17

	Name	Connector
3b	Lambda sensor on post-catalyzer-2	K18

4. Disconnect the electrical connection for the detonation sensor, timing side.

	Name	Connector
4	Detonation sensor	K50

1. Undo the bolt securing the fuel delivery pipe to the air chamber.

1. Undo the bolt (1a) and unscrew (1b) and remove the power unit reaction rod.

Proceed with removal - 4450B10 Front WHEEL (one) - R.R. (Left side). Proceed with removal - 7055B39 front additional wheel arch half (one), lh or rh, front element - r r (Left side). Proceed with removal - 7055B54 under-engine guard - r r . 1. Undo the lower bolt fixing the left catalytic preconverter heat shield.

1. Undo nut (1a) and remove collar (1b) connecting the exhaust pipes between preconverters and catalytic converters.2. Undo nuts (2a) and disconnect exhaust pipe between right preconverter and catalytic converter (2b), preconverter side.Remove the gasket.

1. Undo the nuts (1a) and (1b), then remove the exhaust pipe between left preconverter and catalytic converter (1c).Remove the gaskets.

1. Undo the nuts (1a) and remove the power unit rear mount flexible block heat shield (1b).

1. Undo the nuts (1a) and remove the intermediate drive shaft oil seal heat shield (1b).

1. Undo the bolts (1a) and remove the power steering box heat shield (1b).

Position a hydraulic jack under the gearbox. 1. Undo the bolts fixing the gearbox side support flexible mounting to the front suspension frame.2. Undo the bolt securing the gearbox side power unit rigid support to the gearbox.

The gearbox side power unit rigid mount with flexible block remains attached to the earth braid.

1. Undo the bolts fixing the gearbox side support flexible mounting to the front suspension frame.2. Undo the bolt securing the gearbox side power unit rigid support to the gearbox.

The gearbox side power unit rigid mount with flexible block remains attached to the earth braid.

1. Lower the power unit, as necessary, using the hydraulic jack and then remove the right lambda sensor (1a) using tool (1b) and remove.

To avoid damaging the lambda sensor, take care to keep the tool at right angles to the lambda sensor during unscrewing/retightening.

	Name	Country
1b	Spanner	1.854.050.001

Refitting ( Removing

) 1. Refit the right lambda sensor (1a) and tighten tool (1b) to the specified torque.

	Fastening	Component	Ø	Value(daNm)
1a	-	-	-	-

	Name	Country
1b	Spanner	1.854.050.001

Place the power unit back in its housing using the hydraulic jack. 1. Tighten the bolts fixing the gearbox side power unit rigid support to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
1	Bolt	POWER UNIT GEAR BOX END RIGID MOUNT	M10	(Gearbox side) 4.3 - 5.3

2. Tighten the bolts fixing the gearbox side support flexible mounting to the front suspension frame to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
2	Bolt	GEARBOX SIDE RUBBER MOUNT	M8	(Front suspension frame side) 2.4 - 2.9

1. Tighten the bolts fixing the gearbox side power unit rigid support to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
1	Bolt	POWER UNIT GEAR BOX END RIGID MOUNT	M10	(Gearbox side) 4.3 - 5.3

2. Tighten the bolts fixing the gearbox side support flexible mounting to the front suspension frame to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
2	Bolt	GEARBOX SIDE RUBBER MOUNT	M8	(Front suspension frame side) 2.4 - 2.9

Refit in its seating the power steering box heat shield and tighten its bolts.Refit the intermediate drive shaft oil seal heat shield and secure it using nuts.Fit the heat shield for the power unit rear flexible block and fix it tightening the bolts to the recommended torque.1. Refit the exhaust pipe between left preconverter and catalytic converter (1a) complete with gaskets and secure by tightening nuts (1a) and (1c) to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
1b	-	-	-	-

	Fastening	Component	Ø	Value(daNm)
1c	-	-	-	-

1. After fitting the gasket, connect the exhaust pipe between right preconverter and catalytic converter (1a), preconverter side, and tighten nuts (1b) to the specified torque.

	Fastening	Component	Ø	Value(daNm)
1b	-	-	-	-

2. Refit collar (2a) connecting the exhaust pipes between right preconverter and catalytic converter and secure using nut 92b).

Tighten the lower bolt fixing the left catalytic preconverter heat shield. Proceed with refitting - 7055B54 under-engine guard - r r . Proceed with the refitting - 7055B39 front additional wheel arch half (one), lh or rh, front element - r r (Left side). Proceed with the refitting - 4450B10 Front WHEEL (one) - R.R. (Left side). Tighten the bolt securing the power unit reaction link to the specified torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	REACTION ROD	M10	(Bracke on bodyshell/bracket on engine side) 4.3 - 5.3

Tighten the bolt fixing the fuel delivery pipe to the air chamber.Connect the electrical connection for the detonation sensor, timing side.Connect the electrical connections for the rear Lambda sensors to the catalytic converter.Connect the engine junction.Close the connection box cover.Connect the fuel vapour recovery pipe quick release fitting to the air chamber.Connect the vacuum intake pipe to the air chamber and tighten the band.Connect the electrical connection to the throttle body integrated with the D.V.L.Connect the electrical connection for the right Lambda sensor.Close the electrical connections box cover.Refit the hose from the flow meter to the air chamber complete with resonator and tighten the bands.Connect the oil vapour recirculation pipe to the left cylinder head and fix them using the band. Proceed with refitting - 7040D30 engine bay front beam cover - r r . Proceed with the refitting - 7040D14 engine bay rear side cover (one) lh or rh - r r (Right side). Proceed with the refitting - 7040D12 engine front side cover (one) lh or rh - r r (Right and left sides). Connect the negative (-) battery terminal.Remove the car from the ramps.