| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| Having
carried out the road test during the See table S15 RUMOROSITA' in condizioni di marcia , a creaking/clicking noise is heard
coming from the front.Continue depending on the circumstances in which the noise occurs | End of diagnosis | The noise disappears when
the handbrake is operated | Eliminate the clearance for the handbrake lever and/or
actual handbrake |
| The noise also appears in other conditions | Continue to Step 1 |
| 1 | CHECK FOR OIL LEAKS | All OK | Problems met | Operation |
|---|
| Raise
the vehicle on a two collumn lift and check that there are no oil
leaks from the shock absorber stem. | Slight dampness of the stem is considered normal because there
is evaporation that takes place during the operation of the shock
absorber. If there is a consistent oil leak at the shock absorber stem,
make sure that it is not coming from other parts of the vehicle
that are lubricated |
| Continue to Step 2 | Leaks from other parts
that are lubricated | Search for the cause of the leak by following the
appropriate diagnostic procedure |
| Leaks from other parts that are lubricated | Replace the shock absorber Op. 4420A30 |
| 2 | HANDBRAKE CHECK | All OK | Problems met | Operation |
|---|
| Position
the vehicle on a two column lift and raise it.Check that the handbrake cable outer casing or cables do not
come into contact with the fuel tank, heat shields or bodywork during
oscillation | Continue to Step 3 | Interference between the
cable or outer casing and other elements | Cover the cable outer casing
with foam rubber tape in the interference area or lubricate the
cable |
| 3 | INTERFERENCE CHECK | All OK | Problems met | Operation |
|---|
| Check
that there are no signs of interference between the suspension elements
or between the latter and the bodyshell.In particular, check that there are no signs of wear at the suspension
springs and that they do not suffer from abrasions | Continue to Step 4 | Interference due to incorrect fitting | Eliminate the interference
and restore the correct fastening. If this is not possible, replace the
defective components |
| Interference due to incorrect fitting | Replace the spring Op. 4420A48 taking care to fit
it correctly |
| 4 | TIGHTENING TORQUE CHECK | All OK | Problems met | Operation |
|---|
| Locate
the area that is the possible source of the noise: top or bottom.Starting from the area where the knocking was located, check
the tightening torques See Test 4420B Verifiche corretti serraggi sospensioni posteriori Of the bolts fixing the: | Continue to Step 5 | Tightenings not to torque | Restore the correct tightening |
| 5 | Continue as instructed by
the tester | All
OK | Problems
met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | The fault persists | The knocking is caused by
another system (e.g. the fuel float in the tank). Carry out the appropriate
checks for identifying the causes of the noise |
