|  |  | Test results | 
| 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 | CHECK | All OK | Problems encountered | Operation | 
|---|
|  | Check the gearbox control cables: the ball joints and the bushes should not be worn | Move on to Step 3 | Ball joints worn. | Replace the gearbox control cables    Op. 2125C  MANUAL GEARBOX EXTERNAL CONTROL (CABLES) | 
| 3 | GEAR LEVER BALL CHECK | All OK | Problems encountered | Operation | 
|---|
|  | Check the gear lever ball joint: it should not be worn. | End of diagnosis | Ball worn. | Replace the gear lever    Op. 2125C24  GEAR LEVER KNOB - R + R |