| 1 | CHECK CUSHION BASE | All OK | Problems encountered | Operation | 
|---|
|  | Check for anomalous contacts between the cushion base and the vehicle body | Move on to Step 2 | No soundproof mat beneath base | Restore missing components or add strips of insulating material | 
| 2 | CHECK SPLIT CUSHION HINGES | All OK | Problems encountered | Operation | 
|---|
|  | Check for anomalous contacts/interference on split cushion hinges | Move on to Step 3 | Contac between fixed hinge bolt head and cushion mobile hinge | Replace hinge (or interpose insulating material) | 
| 3 | CHECK FOR NOISE FROM CUSHION HINGES | All OK | Problems encountered | Operation | 
|---|
|  | Check for creaking/squeaking from cushion hinges | End of diagnosis | Creaking and squeaking from cushion hinge | Replace cushion frame    Op. 7050A57 SPLIT REAR SEAT CUSHION FRAME (ONE), LEFT OR RIGHT - R.R. WITH CUSHION REMOVED |