4420B16 FRONT WISHBONE - R R - Alfa - 147 - eLearn

3025340 - 4420B16 front wishbone - r r

) Position the vehicle on the ramp.Proceed with removal - 4450B11 WHEEL (one) rear - R.R. .1. Undo bolt (1a) securing rear suspension longitudinal tie rod (1b) to the steering knuckle.2. Undo the nut (2a) and withdraw bolt (2b) as far as necessary to disconnect front wishbone (2c) from the damper.

1. Undo the nut of the bolt securing the rear suspension front wishbone to the rear suspension beam.2. Undo the bolts securing the rear suspension crossmember to the body and lower as necessary.Withdraw the screw of the bolt securing the rear suspension front wishbone to the beam.3. Remove the rear suspension front wishbone.

Refitting ( Removing

) 1. Refit the rear suspension front wishbone (1a) and secure to the beam (1b) by doing up the screw of the retaining bolt.2. Tighten the bolts securing the rear suspension crossmember to the bodyshell to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
2	Bolt	REAR CROSS-BEAM	M10	(Bodyshell side) 5.8 ÷ 7.2

1. Connect front wishbone (1a) to the damper and secure using the bolt (1b) without tightening it.2. Screw in the bolt (2a) securing the rear suspension longitudinal strut (2b) to the hub stub axle without tightening it.

1. Place the suspension in a geometric configuration so that the difference in height between dimension D-C is 13 mm.

this distance is valid for all versions and does not depend on the weight of the vehicle and is designed to prevent torsional pre-loading of the flexible bushes.

1. Tighten the bolt securing the rear suspension front wishbone to the rear suspension beam to the specified torque.

	Fastening	Component	Ø	Value(daNm)
1	Bolt	REAR SUSPENSION FRONT WISHBONES	M12	(Rear suspension crossmember side) 6.8 ÷ 8.3

1. Tighten the bolt connecting the track control arms to the shock absorber to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
1b	Bolt	REAR SUSPENSION FRONT WISHBONES	M12	(Rear wheel hub stub axle side.) 11.1 ÷ 13.5

2. Tighten the nut securing the rear suspension longitudinal strut to the hub stub axle to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
2a	Bolt	REAR ANCHORAGE ROD	M12	(Rear wheel hub stub axle side.) 11.1 ÷ 13.5

Proceed with refitting - 4450B11 WHEEL (one) rear - R.R. .Remove the car from the ramps.Proceed with refitting - 4450A40 rear wheel geometry - check using optical equipment .