| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| Check
that the tyre pressures are correctCheck that the power steering fluid level is correct | Continue to Step 1 | Tyre inflation pressure
not correct | Restore the correct pressures |
| Power assisted steering fluid level too low | Restore the correct level: if there are leaksSee
table X30 |
| 1 | CHECK CONDITION OF STEERING GAITERS
AND TIE-RODS | All
OK | Problems
met | Operation |
|---|
| Check
the condition of the steering gaiters and tie-rods | Continue to Step 2 | Steering tie-rods damaged
or worn | Replace
the tie-rods Op. 4110B10 |
| 2 | CHECK TYPE OF FAULT | All OK | Problems met | Operation |
|---|
| Carry
out a test, turning the steering wheel to full lock under various
conditions, checking that there are no faults. | | Stiffness continuous and
constant | Continue
to Step 3 |
| Hardness intermittent | Check that the filter inside the reservoir is correctly
positioned. if necessary, replace the reservoir Op. 4130B10 |
| Hardness only during idling | Check for any restrictions in the pipes (flexible and
rigid). If necessary replace the damaged parts, replacing all the
seals |
| Hardness in end of travel position | Restore the correct wheel geometry |
| 3 | STEERING COLUMN BEARINGS CHECK | All OK | Problems met | Operation |
|---|
| Check
the condition and efficiency of the steering column support bearings,
disconnecting the column from the steering box | Continue to Step 4 | Bearings worn or damaged | Restore the efficiency of
the steering column. If necessary, replace the bearings involved
Op. 4110A31 |
| 4 | CHECK OPERATION OF STEERING BOX | All OK | Problems met | Operation |
|---|
| With
the front wheels lifted, make the rack complete its full travel
in both directions, making sure that there is no excessive stiffness
or play. | Continue to Step 5 | Faulty operation of steering
box | Replacing
steering box Op. 4130A10 |
| 5 | POWER ASSISTED STEERING PUMP CHECK | All OK | Problems met | Operation |
|---|
| With
the wheels on the ground, check the correct operation of the power
steering pump | Continue to Step 6 | Belt slack | Check and, if necessary,
replace the belt Op. 1092C14 |
| Power assisted steering pump malfunction | Replace the power assisted steering pump Op. 4130B20 |
| 6 | 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' |