Vibrations And Abnormal Noises - VDL Futura FHD2 E6 Workshop Manual

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Futura FHD2/FMD2 E6
1.9

VIBRATIONS AND ABNORMAL NOISES

1.9.1 THE ENGINE VIBRATES EXCESSIVELY
Possible cause
Unbalanced flywheel.
The flywheel oscillates.
1.9.2 ABNORMAL NOISES FROM THE DRIVEN SHAFT
Possible cause
The differential rattles.
Rattling noise in the differential
Noises in the rear axle
1.9.3 NOISE IN THE REAR AXLE
Possible cause
Too low oil level.
The oil has the wrong viscosity.
The attachment bolts have come loose.
There is play in the pinion bearing.
1.9.4 ABNORMAL NOISE FROM THE AXLE MOUNTING
Possible cause
The axle mounting makes a noise.
The shock absorber makes a noise.
1.9.5 ABNORMAL NOISE FROM THE ENGINE
Possible cause
Noise in the distribution box.
DD1020_01
Vehicle behaviour and performance
Remedy
Check the flywheel's attachment.
Check the flywheel's attachment and whether the fly-
wheel oscillates.
Remedy
See the fault finding table: "Differential rattles; Driven
axles" 2 - 3.3.2 Vibrations and noises (3 -
See the fault finding table: "Rattling noise in differential,
Driven axles, Vibrations and noises"
and noises (3 - 12).
See the fault finding table: "Noise in the rear axle, Driven
axles, Vibrations and noises"
noises (3 - 12).
Remedy
Top up the oil.
Drain the oil and fill with oil that meets the specifications.
Drain oil and check the drained oil for the presence of
pieces of metal.
Adjust the pinion bearing or, if necessary, replace it.
Remedy
Check the axle mounting.
See the fault finding table: "Shock absorber makes a
noise, Axle mounting and suspension, Shock absorber"
2 - 3.4.1 Shock absorber (3 -
Remedy
See the fault finding table: "Noise in the distribution box,
PR engine, Vibrations and noises"
and noises (3 - 2).
DIAGNOSIS
12).
2 - 3.3.2 Vibrations
2 - 3.3.2 Vibrations and
13).
2 - 3.2.1 Vibrations
1 - 21
2