| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| Simulate movements of the vehicle when cornerning using your body: remove your back from the backrest and move sideways with the base of your back to bring out any noises coming from the seat | Move on to Step 1 | | |
| 1 | CHECKS ON CONNECTING CROSSMEMBERS WITH CUSHION SIDES | All OK | Problems encountered | Operation |
|---|
| By handling check that the connecting crossmember with the cushion sides do not produce noise from the matching nodes | Move on to Step 2 | Presence of noise from the matching points | Move the interfering components apart and, if the welding is insufficient, renew it. |
| 2 | CHECKS ON SEAT LIFTING DEVICE | All OK | Problems encountered | Operation |
|---|
| Simulate movements when cornering using your body but do not move the seat lifting device before identifying the noise; if identified, move the seat lifting device | Move on to Step 3 | The noise has disappeared | Look at the seat lifting device connecting rods (check for any interference between the connecting rods and the sides moving the parts in contact away from one another) and lubricate with molybdenum disulphide grease |
| 3 | CHECK ON GUIDE RELEASE MOUNTING | All OK | Problems encountered | Operation |
|---|
| Move the attachment area of the guide release mounting checking whether the noise comes back | Move on to Step 4 | The noise persists | Release the mounting (detach it from the guides) and remove any areas of interference; lubricate and refit correctly; if necessary, tape the interface area with the guides |
| 4 | CHECK ON CONDITION OF TORSION BAR BUSH | All OK | Problems encountered | Operation |
|---|
| Version with seat lifting device check the condition of the bush/torsion bar | End of diagnosis | 1. Bush broken2. Torsion bar in contact with side panel | 1. Seat lifting device replacement Op. 7045A36 DRIVER'S SEAT MANUAL HEIGHT ADJUSTMENT DEVICE - R.R 2. Lubricate/position plastic casing between bar and side panel |
