| | Results
of the tests |
| 0 | FIRST CHECK | All OK | Problems met | Operation |
|---|
| Whilst
driving, steer to the right or the left and check the onset of the
noise. Check whether the intensity increases with the steering angle. | Continue to Step 1 | Rolling noise which varies
with the steering angle both to the left and the right | Replace the wheel hub bearings |
| Increasing the steering angle produces a noise similar
to croaking which varies according to the wheel speed | Continue to Step 2 |
| 1 | DIFFERENTIAL CHECK | All OK | Problems met | Operation |
|---|
| Check
the differential: In particular, check the bearings | Continue to Step 2 | Bearings damaged | Replace the bearings Op. 2110D26 |
| Internal gears worn or damaged | Overhaul or replace the differential housing Op. 2110D10 |
| 2 | WHEEL SIDE CONSTANT VELOCITY JOINT
CHECK | All
OK | Problems
met | Operation |
|---|
| Check
the wheel side constant velocity joints | Continue to Step 3 | Wheel side joint damaged | Replace the wheel side joint Op. 2710A20 |
| 3 | CORRECT OPERATION CHECK | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | | Fault persists | Search for the fault starting from another symptom' |