| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| Carry
out a preliminary test to check the conditions which give rise to
the noise | The noise does not reoccur:
Continue to Step
3
| The noise increases considerably
with the steering in the end of travel position |
See table
S35
|
| The noise also occurs with the engine switched off (when
warm) |
Continue to Step
1
|
| The noise increases during braking |
Continue to Step
2
|
| 1 | MULTI-PURPOSE VALVE CHECK | All OK | Problems met | Operation |
|---|
| Check
the condition of the multi-purpose valve, located on the fuel filler
pipe |
Continue to Step
3
| Valve faulty |
Replace the valve pump
Op. 1040A30 |
| 2 | BRAKE SERVO VACUUM VALVE CHECK | All OK | Problems met | Operation |
|---|
| Check
the condition of the one-way valve on the brake servo vacuum pipe |
Continue to Step
36
| Brake servo valve faulty |
Replace the valve
Op. 3330D20 |
| 3 | CHECK CORRECT OPERATION | 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' |