4420A60 L/H OR R/H REAR SUSPENSION LEAF SPRING (ONE) - R+R

☰ Sommaire ← 4420A REAR DAMPERS AND SPRINGS 4420A68 SHACKLES FOR ONE L/H OR R/H →

Removing ( Refitting

)

- Position the vehicle on a lift.

Op. 4450B06 LEFT REAR WHEEL - R.R

Or:

Op. 4450B08 RIGHT REAR WHEEL - R.R

- Working underneath the vehicle, with the help of a jack, slightly raise the axle on the side of the leaf spring to be removed.

1. Undo the lower bolt (1a) fixing the rear suspension (1b) shock absorber.

1. Undo and remov the lower bolt (1a) fixing the leaf springs (1b) and loosen the upper fixing bolt (1c).

1. Undo the nuts (1a) fixing the U brackets securing the leaf spring (1b) to the axle (1c).

1. Undo the front bolt (1a) fixing the leaf spring (1b) to the body.

1. Remove the leaf spring from the vehicle.

Refitting ( Removing

)

- Check that the leaf spring is not damaged.

- Place the leaf spring in position and screw in the front and rear fixing bolts without tightening to torque.

- Place the shock absorber in position and screw in the lower fixingn bolt without tightening to torque.

1. With the help of a hydraulic jack, position the axle so that the leaf spring is in the position indicated.

Vehicle trim level	H (mm)
Heavy and Light	248
Camping Car and Compartment	300

1. With the help of a hydraulic jack, position the axle so that the shock absorber is in the position indicated.

Vehicle options	a (mm)	b (mm)
Heavy and Light	238	259,5

Vehicle options	a (mm)	b (mm)
Camping Car	238	312

Vehicle options	a (mm)	b (mm)
Widened Tread	238	224

- Tighten the rear bolt fixing the leaf spring to the recommended torque.

Component	Fixing	Ø	Value (daNm)	Val.
Leaf spring to element	Nut	M16x1.5	14.5

- Tighten the bolt fixing the leaf spring to the bodyshell to the recommended torque.

Component	Fixing	Ø	Value (daNm)	Val.
Leaf spring to bodyshell	Nut	M16x1.25	14.5

- Tighten the front bolt fixing the leaf spring to the recommended torque.

Component	Fixing	Ø	Value (daNm)	Val.
Leaf spring to bodyshell	Nut	M16x1.25	18.5

- Tighten the lower bolt fixing the shock absorber to the recommended torque.

Component	Fixing	Ø	Value (daNm)	Val.
Rear shock absorber	Screw	M16x1.5x78	14.5

- Position the U brackets for securing the leaf spring to the axle and tighten the fixing nuts to the recommended torque.

Component	Fixing	Ø	Value (daNm)	Val.
U bolts	Nut	M14x1.5	14.0

- Remove the jack.

Op. 4450B08 RIGHT REAR WHEEL - R.R

Or:

Op. 4450B06 LEFT REAR WHEEL - R.R

- Remove the vehicle from the lift.

Op. 4450A40 REAR WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT, INCLUDES ADJUSTMENT IF NECESSARY

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

Removing ( Refitting

)

- Set the height of the vehicle at level 3 using the adjustment buttons in the dashboard.

- Deactivate the self-levelling suspension control system by pressing the two adjustment buttons in the dashboard simultaneously (for at least 5 secs.) and the LEDs in the buttons will both come on constantly.

- Position the vehicle on the lift.

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

1. Undo the bolt (1a) fixing the pneumatic spring (1b) to the leaf spring (1c).

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

1. Undo the nut (1a) fixing the ball joint (1b) for the rod (1c) for the position sensor and move the rod aside.

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

1. Undo the nuts (1a) securing the U brackets fastening the leaf spring (1b) to the axle (1c).

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

1. Undo the front bolt (1a) fixing the leaf spring (1b) to the bodyshell, then remove the leaf spring.

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

Refitting ( Removing

)

- Check that the leaf spring is not damaged, otherwise it must be replaced.

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

1. Place the leaf spring (1a) in position then screw in the front bolt (1b) without tightening it.

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

1. Position the U brackets for fastening the leaf spring (1a) to the axle (1b) and tighten the nuts (1c) to the recommended torque.

Component	Fixing	Ø	Value (daNm)	Val.
U bolts	Nut	M14x1.5	14.0

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

1. Rotate the arm (1a) for the sensor (1b) so that it is facing the rear of the vehicle.

2. Place the ball joint (2a) for the rod (2b) for the position sensor in position then tighten the fixing nut (2c).

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

1. Tighten the bolt (1a) fixing the pneumatic spring (1b) to the leaf spring (1c) to the recommended torque.

Component	Fixing	Ø	Value (daNm)	Val.
Pneumatic spring	Screw	M10x1.25	3.5

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

1. Place a hydraulic lift (1a) at the rear axle (1b) centre line.

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

1. Raise the rear axle (1a) until the distance measured between the lower surface (1b) of the actual axle and the lower surface (1c) of the support for the unit (1d) (measured at the point illustrated) is equal to 210 mm.

APPLICABLE TO VERSIONS WITH: Self-levelling suspension

- Tighten the bolt fixing the leaf spring to the body to the recommended torque.

Component	Fixing	Ø	Value (daNm)	Val.
Leaf spring to bodyshell	Nut	M16x1.25	18.5

- Remove the hydraulic lift.

- Lower the lift.

- Reactivate the self-levelling suspension control system by pressing the two adjustment buttons in the dashboard simultaneously (for at least 5 secs.) and the LEDs in the buttons will both go off.

- Check that the system is working properly by carrying out a height variation cycle.

- Remove the vehicle from the lift.