4450C10 FRONT PILLAR (ONE), L/H OR R/H COMPLETE WITH WHEEL HUB - R+R WITH WHEEL REMOVED - CHECK WHEEL GEOMETRY SEPARATELY - Alfa - 147 - eLearn

3025369 - 4450C10 front pillar (one), l/h or r/h complete with wheel hub - r+r with wheel removed - check wheel geometry separately

) Position the vehicle on the ramp.Ensure that the ignition key is in the OFF position, then disconnect the negative battery terminal (-).

	Name	Connector
-	Battery	A1B

Proceed with removal - 7055B64 Engine compartment DUST shield in front wheel arch (one), left or right - R.R. . Proceed with removal - 7055B54 under-engine guard - r r . 1. Remove the two bevels and undo the nut securing the hub nut to the drive shaft.

Use a 36 mm USAG spanner modified as shown in the figure to unscrew the nut.

1. Release the front brake caliper flexible pipe from the mounting bracket.2. Undo the bolts (2a) and move the bracket (2b) complete with brake caliper (2c) without disconnecting the pipe.

1. Undo bolt (1a) and remove the front wheel rpm sensor (1b) from its seat and move aside after releasing the electrical wiring from its fastenings.

1. Unscrew the pin (1a) and remove the front brake disc (1b).2. Unscrew nut (2a) and disconnect steering link (2b) from the front wheel strut using tool (2c).

	Name	Country
3c	Extractor	1.821.169.000

1. Undo the nut (1a) and disconnect the front upper wishbone (1b) from the knuckle using the tool (1c).

	Name	Country
1c	Extractor	1.821.169.000

1. Undo the nut (1a) and disconnect the front suspension lower wishbone from the steering knuckle using the tool (1b).

	Name	Country
1b	Extractor	1.821.169.000

2. Remove front knuckle (2a) with wheel hub (2b).

Refitting ( Removing

) 1. Refit front knuckle (1a) complete with wheel hub (1b).2. Connect the front suspension lower wishbone to the front steering knuckle and fix it by tightening the nut to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
2	Nut	FRONT SUSPENSION LOWER LEVER	M14	(Steering knuckle side) 8.6 ÷ 9.5

1. Connect the front upper wishbone (1a) to the steering knuckle and fix it tightening the nut (1b) to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
1b	Nut	FRONT SUSPENSION TOP LEVER	M10	(Steering knuckle side) 4.3 ÷ 4.7

1. Connect the steering link (1a) to the front steering knuckle and fix it tightening the nut (1b) to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
1b	Nut	ADJUSTABLE STEERING LINKS	M14	(Front steering knuckle side) 4.5 ÷ 5.5

2. Place the front brake disc (2a) back in its housing and fix it tightening the pin (2b) to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
2b	Pin	FRONT BRAKE DISC.	M8	(Wheel hub side) 1.0 ÷ 1.4

Place the front wheel rpm sensor back in its housing and fix it tightening the bolt to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	ABS SYSTEM FRONT WHEEL RPM SENSOR	M6	0.7 ÷ 0.9

Secure the front wheel rpm sensor electrical wiring.1. Place the bracket (1a) complete with brake caliper (1b) in its seating and tighten the bolts (1c) to the specified torque.

	Fastening	Component	Ø	Value(daNm)
1c	Bolt	FRONT BRAKE CALIPER BRACKET	M12	(Front steering knuckle side) 11.1 ÷ 12.3

Fit the front brake caliper flexible pipe to the mounting bracket.

1. Tighten the nut (1a) fixing the wheel hub to the drive shaft to the recommended torque, using the angle tightening tool (1b).

	Fastening	Component	Ø	Value(daNm)
1a	Nut	FRONT HUB WITH BEARINGS	M24	(Driveshaft side) 6.7 ÷ 7.4 + 62

	Name	Country
1b	Protractor	1.860.942.000

Proceed with refitting - 7055B54 under-engine guard - r r . Proceed with refitting - 7055B64 Engine compartment DUST shield in front wheel arch (one), left or right - R.R. .Connect the negative (-) battery terminal.Remove the car from the ramps.It is advisable to check the wheel alignment - 4450A10 front wheel geometry - check using optical equipment - includes front wheel tow-in adjustment if necessary .