|  |  | Results of the tests | 
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation | 
|---|
|  | tyre
pressurescondition of tyreswheel geometrycondition of dust excluders | Continue to Step 1 | Pressure not correct | Restore: | 
| Tyres non-compliant | Replace | 
| Wheel geometry not correct | Restore: | 
| Gaiter broken | Replace | 
| 1 | CHECK STEERING COLUMN | All OK | Problems met | Operation | 
|---|
|  | Check
steering column rotation by disconnecting from steering | Continue to Step 2 | Steering column stiff | Overhaul or, if necessary,
replace the steering column  Op.   4110A30 | 
| 2 | CHECKING CLEARANCE BETWEEN RACK
AND PINION | All
OK | Problems
met | Operation | 
|---|
|  | With
the steering column disconnected and the wheels straight, check
the rack-pinion play | Continue to Step 3 | Clearance excessive | Replace the guide  Op. 4120A10 | 
| 3 | CHECKING THE RACK SLIDES EASILY | All OK | Problems met | Operation | 
|---|
|  | Check
how easily the rack moves | Continue to Step 4 | Steering stiff | Replace the guide  Op. 4120A10 | 
| 4 | CHECK ON STIFFNESS/STICKING | All OK | Problems met | Operation | 
|---|
|  | By
turning the hubs, check that there are no tight spots/sticking | Continue to Step 5 | Damper mount bearing seized | Replace the bearing | 
| Play on arm balljoint | Replace joint | 
| 5 | 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' |