4420D42 REAR SUSPENSION BEAM - R R - Alfa - 159 - eLearn

939010857 - 4420D42 REAR SUSPENSION BEAM - R R

) Op. 4450B13 REAR WHEELS (TWO) - R.R 1. Unscrew the plug and drain the rear differential fluid into a special container.

1. Loosen the collar fastening the front silencer to the catalyzer assembly.2. Disconnect the front exhaust silencer from the flexible support mounting.3. Disconnect the two rear silencers from the flexible mountings.4. Remove the exhaust silencer assembly.

1. Unscrew the propeller shaft rear mount bolts to the body and recover any alignment spacers.

Take care to use the same alignment spacers on refitting.

2. Mark the position of the constant velocity joint with the RDA flange, unscrew the bolts securing the propeller shaft to the RDA and move aside, securing it to the body.

1. Unscrew bolts (1a) and remove rear suspension beam reinforcement bracket (1b).

Op. 2720C84 REAR DIFFERENTIAL TO CROSSMEMBER MOUNTING BRACKET - R.R.1. Undo the nuts (1a) and remove rear silencer heat shield (1b), left side.

1. Disconnect the handbrake cable from the brake caliper.2. Undo the bolts (2a) fixing the brake caliper bracket (2b) to the stub axle.

1. Undo the upper bolt fixing the stub axle to the rear suspension upper transverse arm.

1. Loosen the bolt (1a) and undo the bolt (1b) fixing the lower stub axle (1c) to the longitudinal arm.

1. Undo the bolt (1a) securing the wheel rpm sensor (1b) to the stub axle.

- Prise the half-axle out out of the differential.1. Remove the steering knuckle hub complete with half-axle.

- Proceed in the same way to remove the other wheel stub axle assembly complete with half-axle.- Position a hydraulic jack fitted with a suitable tool and support the rear differential.1. Undo the bolts (1a) securing the rear differential (1b) to the suspension crossmember and remove it.

Op. 4420C10 REAR SUSPENSION STABILIZER BAR - R+R - Position a hydraulic jack fitted with a suitable tool and support the rear suspension longitudinal arm.1. Undo the bolt fixing the shock absorber to the rear suspension longitudinal arm.

1. Unscrew the bolts and remove brackets (1a) securing the handbrake cables (1b) and move aside.2. Undo the bolts fixing the rear suspension longitudinal arm to the bodyshell.

1. Unscrew bolt (1a) and remove the rear suspension longitudinal arm (1b).

- Position a hydraulic jack fitted with a suitable tool and support the rear suspension beam.1. Disconnect the electrical connection of the headlamp alignment sensor.2. Undo the bolts (2a) and remove the rear suspension beam (2b).

Refitting ( Removing

) - Assembly both longitudinal arms with the rear suspension beam without tightening the bolts to torque.- Fit the locating tool on the lift hydraulic jack.

Tool	Description	Function	Validity
2000002400	Centering tool	Rear suspension crossmember support

Tool	Description	Function	Validity
1870835001	Hydraulic lift	Rear suspension crossmember support

- If the above hydraulic lift is not available, use a general hydraulic lift plus the adaptor shown in the drawing, which must be made up by the workshop to allow the use of the above frames

Ensure the shank diameter (*) fits the hydraulic lift used.

If there are centering pins (1a) on the longitudinal arm bracket, use the adapator (1b) as illustrated in the diagram.

Tool	Description	Function	Validity
2000012900	Adapator	Rear suspension crossmember support

- Position the longitudinal arm - suspension beam assembly on the locating tool pins set up previously.- Lift and position the rear suspension beam assembly in its seat, taking care to locate the holes on the body using the tool reference pins.- Tighten the bolts securing the beam to the bodyshell to torque.

Component	Fastening	dia	Value (daNm)	Validity
Bodyshell side rear suspension crossmember	Bolt (to be replaced)	M12	11.2 ÷ 13.7 + 45°

- Tighten the bolts securing both longitudinal arms to the bodyshell to torque.

Component	Fastening	dia	Value (daNm)	Validity
Bodyshell side longitudinal arm bracket	Bolt (to be replaced)	M14	13.5 ÷ 16.5 + 90°

- Remove the hydraulic lift with locating tool.- Connect the handbrake cable to the longitudinal swinging arm using the brackets.- Use a hydraulic jack fitted with a suitable tool to position the rear differential in its seat.- Tighten the bolts securing the rear differential to the suspension crossmember.

Component	Fastening	dia	Value (daNm)	Validity
Rear differential - suspension crossmember side	Bolt	M12	9.9 ÷ 12.1	3.2 JTS

Op. 4420C10 REAR SUSPENSION STABILIZER BAR - R+R - Position the wheel stub axle with half-axle in its seat andscrew in the front bolt and rear bolt securing the suspension beam without tightening to torque.- Position the shock absorber in its seat and screw in the bolt securing it to the longitudinal track control arm without tightening to torque.- Position the wheel rpm sensor in its housing and secure it using the bolt.- Connect the transverse arm to the wheel stub axle using the bolt without tightening to torque.- Place the bracket with the brake caliper bracket back in its housing and secure it using bolts.- Connect the handbrake cable to the brake caliper. Op. 2720C84 REAR DIFFERENTIAL TO CROSSMEMBER MOUNTING BRACKET - R.R.- Place the suspension beam reinforcement bracket in its housing and secure it using the bolts.- Connect the propeller shaft to the rear differential, aligning the reference notches made between the constant velocity joint and the RDA flange on removal.- Tighten the bolts securing the rear constant velocity joint to the RDA, interposing half-moon washers.

Component	Fastening	dia	Value (daNm)	Validity
Propeller shaft - rear differential side	Bolt	M10	5.6 ÷ 6.8	3.2 JTS

- Tighten the bolts in a cross sequence.- Position the rear propeller shaft mount in its seat, interposing any spacers taken out on removal.- Tighten the bolts securing the propeller shaft mount to the bodyshell to the specified torque.

Component	Fastening	dia	Value (daNm)	Validity
Bodyshell side propeller shaft rear support	Bolt	M8	2.2 ÷ 2.6	3.2 JTS

- Position the exhaust silencer assembly in its seat, connect the mounting rings, tighten the connection collar to the catalytic converter unit. Op. 0010T54 REAR DIFFERENTIAL FLUID - REPLACE Op. 4450B13 REAR WHEELS (TWO) - R.R - With the vehicle positioned on a lift and in "standard 0" or "standard A" static load conditions, tighten the following fastenings, previously screwed in, to torque.

Component	Fastening	dia	Value (daNm)	Validity
Steering knuckle side longitudinal arm	Bolt (to be replaced)	M14	9.9 ÷ 12.1 + 90°

Component	Fastening	dia	Value (daNm)	Validity
Crossmember side longitudinal arm blade	Bolt (to be replaced)	M14	9.5 ÷ 11.5 + 90°

Component	Fastening	dia	Value (daNm)	Validity
Longitudinal arm side shock absorber	Bolt	M14	13.0 ÷ 16.0

- Finish fitting the longitudinal track control arm with the respective toe in and camber adjustment bolts as described in the specific "wheel geometry" procedure.- Refer to Op. 4450A40 REAR WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT, INCLUDES ADJUSTMENT IF NECESSARY