4420D20 REAR SUSPENSION AXLE -REPLACE- INCLUDES R+R, CHECK, PARTS TRANSFER AND BLEEDING - Fiat - MULTIPLA - eLearn

2891729 - 4420D20 rear suspension axle -replace- includes r+r, check, parts transfer and bleeding

) Position the vehicle on the ramp.Loosen the handbrake lever adjustment nut. - 4450B13 rear wheels(2) r r . Raise the car. - 1076B20 rear exhaust silencer - r + r . - 4420C10 rear suspension stabilizer bar - r+r . - 4420A48 rear suspension coil springs- r r . 1. Disconnect the handbrake cables (1a) from the connecting bracket (1b) and remove them from the mountings on the bodyshell (1c).

1. Remove the spring from the connectors between the rigid rear brake pipes and the flexible intermediate pipes.2. Separate the rigid pipes from the flexible pipes, undoing the connectors using the tool.

	Name	Country
-	Box wrench for brake fittings	1.856.132.000

Fit the tool for fixing the rear axle on a hydraulic jack.

	Name	Country
-	Mount	1.870.602.000

1. Position the hydraulic jack with the tool (1a) in the centre of the rigid rear axle and fix it using the two knobs (1b).

	Name	Country
1a	Mount	1.870.602.000

1. Undo the side bolts fixing the rigid rear axle to the bodyshell.

Lower the hydraulic jack with the rigid rear axle.1. Disconnect the rigid pipes from the rear brake cylinders using the tool.

	Name	Country
-	Box wrench for brake fittings	1.856.132.000

1. Undo the bolts fixing the brake pipe mounting brackets to the axle.

1. Undo the bolts fixing the load proportioning valve to the rear axle.2. Remove the rigid brake pipes (2a) from the mounting springs (2b) on the rear axle.Remove the brake pipes, complete with load proportioning valve, from the rear axle.

Place the rear axle on the bench.1. Undo the bolts fixing the shock absorbers to the axle.2. Undo the bolts fixing the track control arms, complete with drum brakes and handbrake cables, to the axle.3. Remove the end of travel buffers.

Refitting ( Removing

)

Before refitting the rear suspension axle, check that there are no cracks, distortions or non alignment between the two side arms. If this is the case, replace it.

Fit the end of travel buffers.Fit the track control arms, complete with drum brakes and handbrake cables, and tighten the nuts for the fixing bolts to torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	REAR WISHBONE	M16 x 1.5	15

Fit the rear shock absorbers and tighten the upper bolts fixing them to the axle to torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	REAR DAMPER ATTACHMENT	M10 x 1.25	6

Remove the rear axle from the bench and fix it to a hydraulic jack with the tool.

	Name	Country
-	Mount	1.870.602.000

Fit the brake pipes, complete with load proportioning valve, to the rear axle, fitting them on the support springs.Tighten the bolts fixing the load proportioning valve to the rear axle, without securing them completely.Tighten the bolts fixing the brake pipe mounting brackets to torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	HANDBRAKE LINKAGE MOUNTS	M8	2.5

Tighten the rigid pipes to the rear brake cylinders using the tool to torque.

	Name	Country
-	Box wrench for brake fittings	1.856.132.000

	Fastening	Component	Ø	Value(daNm)
-	Connector	RIGID PIPE TO REAR CYLINDERS	M10	1.4

Reposition the rear axle with the hydraulic jack.Tighten the side bolts fixing the rigid rear axle to the bodyshell to torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	REAR RIGID AXLE	M12 x 1.25	10.6

Remove the hydraulic jack.Tighten the rigid pipes for the load proportioning valves to the flexible intermediate pipes, using the tool, to torque.

	Name	Country
-	Box wrench for brake fittings	1.856.132.000

	Fastening	Component	Ø	Value(daNm)
-	Connector	RIGID PIPE FRM LOAD PROPORT VALVE - HOSE	M10	1.4

Fit the spring on the connectors between the rigid brake pipes and the flexible intermediate pipes.Connect the handbrake cables to the connecting bracket and fit them on the mounting on the bodyshell. - 4420A48 rear suspension coil springs- r r . - 4420C10 rear suspension stabilizer bar - r+r . - 1076B20 rear exhaust silencer - r + r . Lower the vehicle. - 3330A10 BRAKE FLUID - Check level and top up, if necessary. . - 3330A18 front or rear hydraulic brake system - bleed . - 4450B13 rear wheels(2) r r . - 3380A04 handbrake - check travel . - 3330C62 load proportioning valve control - check and adjust . Remove the car from the ramps.

Removing ( Refitting

) Position the vehicle on the ramp.Disconnect the battery negative terminal.

	Name	Connector
-	Battery	A1

Loosen the handbrake lever adjustment nut. - 4450B13 rear wheels(2) r rRaise the car. - 1076B20 rear exhaust silencer - r + r - 4420C10 rear suspension stabilizer bar - r+r - 4420A48 rear suspension coil springs- r r1. Disconnect the handbarke cables (1a) from the bracket (1b).

1. Separate the rigid brake pipes from the flexible pipes, undoing the connectors using the special tool.

	Name	Country
-	Box wrench for brake fittings	1.856.132.000

Fit the tool for fixing the rear axle on a hydraulic jack.

	Name	Country
-	Mount	1.870.602.000

1. Position the hydraulic jack with the tool (1a) in the centre of the rigid rear axle and fix it using the two knobs (1b).

	Name	Country
1a	Mount	1.870.602.000

1. Undo the left and right rear brake pipe connectors (1a), remove the clips (1b), then disconnect the pipes.2. Undo the bolts fixing the brake pipe mounting brackets to the left and right axles.

1. Undo the bolts (1a) and move the left and right rear wheel rpm sensor (1b) aside.

1. Undo the side bolts fixing the rigid rear axle to the bodyshell.

Lower the hydraulic jack with the rigid rear axle.Place the rear axle on the bench.1. Undo the bolts fixing the shock absorbers to the axle.2. Undo the bolts fixing the track control arms, complete with discs, brake calipers and handbrake cables to the axle.3. Remove the end of travel buffers.4. Open the bands (4a) and remove the pipes (4b).

Refitting ( Removing

) Position the rigid rear brake pipes and secure them to the axle using the retaining clips.Fit the end of travel buffers.Fit the track control arms, complete with brake discs, brake caliper and handbrake cable, then tighten the nuts for the fixing bolts to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	REAR WISHBONE	M16 x 1.5	15

Fit the rear shock absorbers and tighten the upper bolts fixing them to the axle to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	REAR DAMPER ATTACHMENT	M10 x 1.25	7

Remove the rear axle from the bench and fix it to a hydraulic jack with the tool.

	Name	Country
-	Mount	1.870.602.000

Reposition the rear axle with the hydraulic jack.Tighten the side bolts fixing the rigid rear axle to the bodyshell to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	REAR RIGID AXLE	M12 x 1.25	12.

Position the left and right rear wheel rpm sensor, then tighten the fixing bolts.Tighten the bolts fixing the brake pipe mounting brackets to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	HANDBRAKE LINKAGE MOUNTS	M8	2.5

Tighten the rigid pipes to the rear brake cylinders using the tool to the recommended torque.

	Name	Country
-	Box wrench for brake fittings	1.856.132.000

	Fastening	Component	Ø	Value(daNm)
-	Right bolt	ABS SYSTEM FRONT WHEEL RPM SENSOR	M6	0.7

Remove the hydraulic jack.Tighten the rigid brake pipes to the flexible intermediate pipes to torque using the tool.

	Name	Country
-	Box wrench for brake fittings	1.856.132.000

	Fastening	Component	Ø	Value(daNm)
-	Connector	RIGID PIPE FRM LOAD PROPORT VALVE - HOSE	M10	1.6

Connect the handbrake cables to the bracket. - 4420A48 rear suspension coil springs- r r - 4420C10 rear suspension stabilizer bar - r+r - 1076B20 rear exhaust silencer - r + rLower the vehicle. - 3330A10 BRAKE FLUID - Check level and top up, if necessary. - 3330A18 front or rear hydraulic brake system - bleed - 3380A04 handbrake - check travel - 4450A40 rear wheel geometry - check using optical equipmentConnect the battery negative terminal.

	Name	Connector
-	Battery	A1

Remove the car from the ramps.