| | Results of the tests |
| 1 | CLUTCH CHECK | All OK | Problems met | Operation |
|---|
| Check
that the clutch releases properly: with the engine running, press
the clutch pedal and engage a gear | Continue to Step 3 | The gearbox always grates
in any gear: the clutch does not disengage | See table E01 CLUTCH NOT RELEASING CORRECTLY |
| 2 | CHECK ON ELECTROHYDRAULIC UNIT | All OK | Problems met | Operation |
|---|
| 2.0 TS Cambio robotizzato | Using the diagnostic equipment, carry out the operations
described See table C01 GEAR CONTROL HARDENING Steps 4 - 5
- 6 | Continue to Step 3 | No problems are found
in the electrohydraulic unit, the geabox noise persists. | Check the clutch assembly See table E01 CLUTCH NOT RELEASING CORRECTLY Steps 4 - 6 - 6 |
| 3 | CHECK GEAR SELECTION | All OK | Problems met | Operation |
|---|
| Check
the condition of the pre-synchronizers | Continue to Step 4 | Pre-synchronizers damaged | Replace the pre-synchronizers |
| 4 | CHECK ON SYNCHRONIZER RINGS | All OK | Problems met | Operation |
|---|
| Overhaul
the gearbox in accordance with the procedures; in particular check
that the synchronizer rings are not worn on the internal surfaces | Continue to Step 5 | Seals worn | Replace the synchronizers |
| 5 | CHECK GEARS | All OK | Problems met | Operation |
|---|
| Overhaul
the gearbox in accordance with the procedures, checking in particular
the gear front teeth; they should not be excessively worn or chipped | Continue to Step 6 | Gears worn | Replace the faulty gears |
| 6 | CHECK HUBS AND SLIDING SLEEVES | All OK | Problems met | Operation |
|---|
| Overhaul
the gearbox in accordance with the procedures and check that the
hubs and sliding sleeves do not show wear or excessive play. | Continue to Step 7 | Sleeves or hubs excessively
worn | Replace
worn parts |
| 7 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | | Fault persists | Search for the fault starting from another symptom' |