| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| Check that the clutch is correctly released: with the engine running press the clutch pedal and engage a gear | Move on to Step 1 | The gearbox always grates with any of the gears: the clutch does not disengage | Proceed as instructed See table E001 CLUTCH NOT RELEASING CORRECTLY |
| 1 | GEAR SELECTION CHECK | All OK | Problems encountered | Operation |
|---|
| Check the condition of the gear selection ball springs | Move on to Step 2 | Springs or balls damaged | Replace the affected parts. |
| 2 | SYNCHRONIZER RING CHECK | All OK | Problems encountered | Operation |
|---|
| Overhaul the gearbox (see Overhauling Gearboxes) Op. 2110B MANUAL GEARBOX WITH DIFFERENTIAL GEARS AND SYNCHRONISERS Check the synchronizer rings in particular: there should be no wear on the inner surfaces. | Move on to Step 3 | Seals worn | Replace the synchronizers. |
| 3 | GEAR CHECK | All OK | Problems encountered | Operation |
|---|
| Overhaul the gearbox (see Overhauling Gearboxes). Op. 2110B MANUAL GEARBOX WITH DIFFERENTIAL GEARS AND SYNCHRONISERS Check the gear front teeth in particular: they should not show signs of notches or excessive wear. | Move on to Step 4 | Gears worn | Replace the gears involved. |
| 4 | CHECK ON HUBS AND SLIDING SLEEVES | All OK | Problems encountered | Operation |
|---|
| Overhaul the gearbox (see Overhauling Gearboxes). Op. 2110B MANUAL GEARBOX WITH DIFFERENTIAL GEARS AND SYNCHRONISERS Check the hubs and the sliding sleeves in particular:- they should not show signs of notches, wear or excessive clearance;- they should slide freely. | End of diagnosis | Sleeves or hubs worn. | Replace the worn sleeves or hubs. |
