Iveco EuroCargo (12 to 26 t). Manual — part 146
NO
YES
Damaged central leaf spring union pin.
Replace part and overhaul spring.
Damaged or broken spring leaves.
Overhaul leaf spring and replace damaged parts.
Replace the entire leaf spring, if required.
5
THE SUSPENSIONS ARE TOO
FLEXIBLE
YES
NO
YES
Loose leaf spring mounts.
Check mounts and replace loose chassis fastening
rivets.
Loose leaf spring bundle for broken central fastening
pin.
Overhaul leaf springs and replace central pin and
respective lock nut.
6
CREAKING, KNOCKING
AND NOISE IN GENERAL
YES
NO
Loose leaf spring bundle for broken spring fastening
bracket rivets.
Check leaf spring fastening brackets and replace
fastening rivets.
YES
Worn bearing and/or excessive play.
Carefully check bearings and replace damaged parts,
if required. Adjust wheel geometry.
YES
NO
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12-26 t
FRONT AND REAR MECHANICAL SUSPENSIONS
35
Base - February 2003
E
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ARGO
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12-26 t
36
FRONT AND REAR MECHANICAL SUSPENSIONS
Base - February 2003
PART
TORQUE
Nm
(kgm)
FRONT SUSPENSIONS
Leaf spring bracket fastening nut
M16x1.5
238
± 22.5
(24
± 2.2)
Leaf spring bracket fastening nut
M18x1.5
278
± 27
(28
± 2.7)
Leaf spring bracket fastening nut
M20x1.5
464
± 46
(47
± 4.7)
Leaf spring to pad fastening nut
445
± 45
(45
± 4.6)
Leaf spring to front mount fastening nut
445
± 45
(45
± 4.6)
Shock absorber to chassis fastening nut
M16
80
± 8
(8
± 0.8)
Shock absorber to axle fastening nut
M16
80
± 8
(8
± 0.8)
Upper shock absorber fastening nut
M14x1.5
64
± 6
(6.4
± 0.6)
Shock absorber to axle fastening nut
M20
121
± 12
(12.3
± 1.2)
Shock absorber fork fastening nut
275
± 55
(28
± 5.6)
Connecting rod to chassis support screw nut
223
± 22
(23
± 2.3)
Connecting rod to sway bar fastening pin nut
311
± 30
(34
± 3)
Sway bar support to chassis fastening screw
76.5
± 7.5
(8
± 0.8)
Collar to sway bar support fastening screw
M12
111
± 11
(11
± 1.1)
REAR SUSPENSION
Spring bracket on axle fastening nut
M22x1.5
623
± 62
(63.5
± 6.3)
Leaf spring front fastening nut
M20
445
± 45
(45
± 4.5)
Leaf spring to pad fastening screw
M20
445
± 45
(45
± 4.5)
Rear mount to chassis fastening screw nut
M16
227
± 23
(23
± 2.3)
Sway bar to axle mount fastening screw nut
M20
311
± 31
(32
± 3)
Connecting rod to chassis support fastening screw nut
M20
311
± 31
(32
± 3)
Upper shock absorber fastening nut
M14x1.5
64
± 6
(6.4
± 0.6)
Lower shock absorber fastening nut
M20
121
± 12
(12.3
± 1.2)
Shock absorber to chassis fastening nut
M16
80
± 8
(8
± 0.8)
Shock absorber to axle fastening nut
M16
80
± 8
(8
± 0.8)
Rebound to chassis fastening screw
77
± 7
(7.9
± 0.7)
Sway bar support to chassis fastening screw nut
M12
63
± 7
(6.4
± 0.6)
Sway bar to connecting rod fastening nut
M10
35.5
± 3.5
(3.6
± 0.3)
72700
Figure 18
!
Disconnect the battery cables before starting
removal-refitting operations.
Removal
Arrange the vehicle on level ground, block the
rear wheels with wedges and proceed as follows:
- Loosen the front wheel fastening nuts, lift the vehicle and
position it on stands.
- Arrange hydraulic jack 99321024 under the wheels,
remove the fastening nuts and remove the wheels.
- Loosen the nuts (1 and 5), taking the pad (2) and remove
the shock absorber from the vehicle (4).
- Loosen the U-bolt (12) fastening nuts (9). Remove the
sway bar (8) supports (7) and remove the U-bolts taking
the plate (6) and the rebound (13).
- Loosen the nut and remove the front leaf spring (11)
anchoring pin (10) to the chassis mount.
- Loosen the nut and remove the rear pin (3) anchoring
the leaf spring (11) to the chassis, lower the axle and
remove the complete leaf spring.
Refit by reversing the removal sequence. Fasten
screws and nuts at the specified torque.
Lock nuts must be replaced and fastened at the
specified torque.
Check that:
- U-bolt threading is in good conditions. If
required, reface the threading or replace the
part.
Refitting
500410
FRONT MECHANICAL
SUSPENSION
REMOVAL-REFITTING
!
The mechanical suspension, shock absorber and sway
bar removal-refitting operations described in the
following paragraphs were carried out on 150E..
models and are, however, suitable for other models
fitting mechanical suspension systems.
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12-26 t
FRONT AND REAR MECHANICAL SUSPENSIONS
37
Base - February 2003
79453
Figure 19
!
Disconnect the battery cables before starting
removal-refitting operations.
Removal
Arrange the vehicle on level ground, block the
front wheels and proceed as follows:
- Loosen the rear wheel fastening nuts, lift back of the
vehicle and position it on stands.
- Arrange hydraulic jack 99321024 under the wheels,
remove the fastening nuts and remove the wheels.
- Loosen the nuts (3) and remove the fastening U-bolts
(4).
- Loosen the nut and remove the front leaf spring (5)
anchoring pin (6) to the chassis support (7).
- Loosen the nut and remove the rear pin (2) anchoring
the leaf spring (5) to the chassis (1), lower the axle and
remove the complete leaf spring.
Refit by reversing the removal sequence. Fasten
screws and nuts at the specified torque.
Lock nuts must be replaced and fastened at the
specified torque.
Check that:
- U-bolt (4) threading is in good conditions. If
required, reface the threading or replace the
part.
Refitting
E
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ARGO
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12-26 t
38
FRONT AND REAR MECHANICAL SUSPENSIONS
Base - February 2003
REAR MECHANICAL SUSPENSION
REMOVAL-REFITTING
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