| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| Carry
out a test, steering on full lock in various conditions to check
whether the steering stiffens in both directionsVisually inspect the power assisted steering fluid level in the
reservoir |
Continue to Step
1
| Stiffness in one direction
only |
See
table
H11
|
| Power assisted steering fluid level too low | Restore the correct level, if there are leaks,
See
table
X30
|
| 1 | TYPE OF FAULT CHECK | All OK | Problems met | Operation |
|---|
| Carry
out a test, steering on full lock in various conditions: ascertain
how the fault arises | Stiffness continuous and constant:
Continue to Step
2
| Stiffness intermittent | Check that the filter inside
the reservoir is correctly positioned.
If necessary, replace the
reservoir
Op. 4130B10
:
|
| Stiffness only during idling | Check for any restrictions in the system pipes, flexible
and rigid.If necessary, replace the damaged parts, replacing
all the seals (see Assembly 4130B) |
| Stiffness in end of travel position | Restore the correct wheel geometry (see Assembly 4450A) |
| 2 | STEERING TIE-RODS AND ARMS CHECK | All OK | Problems met | Operation |
|---|
| Check
the condition of the steering tie-rods and arms. |
Continue to Step
3
| Tie-rods damaged or worn |
Replace the tie-rids or balljoints
Op. 4110B14 |
| Arms damaged or worn |
Replace the steering box
Op. 4130A10 |
| 3 | STEERING COLUMN BEARINGS CHECK | All OK | Problems met | Operation |
|---|
| Check
the condition and efficiency of the steering column support bearings |
Continue to Step
4
| Bearings worn or damaged | Restore the efficiency of
the steering column.
If necessary, replace the bearings involved
Op. 4110A30 |
| 4 | POWER ASSISTED STEERING PUMP CHECK | All OK | Problems met | Operation |
|---|
| Check
that the power assisted steering pump is working properly |
Continue to Step
5
| Belt slack |
Replace the belt
Op. 1092C10 |
| Power assisted steering pump malfunction |
Replace the power assisted steering pump
Op. 4130B24 |
| 5 | | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Search for the
fault starting from another symptom' |