S13 Engine bellowing
- Make
- Fiat
- Model
- Seicento Factory Service Manual
- Year
- 1998–2010
- Section
- Noise and vibration › S13 Engine bellowing
DiagnosisS13 Engine bellowing
S13 Engine bellowing
A constant, low frequency noise is heard that can only be noted for short lengths of time.
| Step | Validity | Operation to be performed | Test results | ||
|---|---|---|---|---|---|
| OK | ⚠ | 🔧 | |||
| 1 | CHECK TYPE OF NOISE | All OK | Problems found | Intervention | |
| Run and test to check the condition in which the noise arises | Noise does not reoccur: Go to Step 4 | Noise present even when the engine is off (when warm) | Go to Step 2 | ||
| Noise increases during braking | Go to Step 3 | ||||
| 2 | CHECK FUEL TANK VALVE | All OK | Problems found | Intervention | |
| Check intactness of multifunction valve | Go to Step 4 | Faulty valve | Replace fuel pump PROCEDURE OP. 1040A70 |
||
| 3 | CHECK BRAKE BOOSTER VACUUM VALVE | All OK | Problems found | Intervention | |
| Check intactness of brake booster one-way vacuum pipe valve | Go to Step 4 | Faulty brake booster valve | Replace valve PROCEDURE OP. 3330D20 |
||
| 4 | CHECK CORRECT OPERATION | All OK | Problems found | Intervention | |
| Check the fault is no longer present | End of test | Fault persists | Seek the fault starting from another symptom ((the noise was not interpreted correctly; see Glossary) | ||
Parts & tools for this job For 1998 Fiat Seicento
- PARTEngine gasket setSearch: Fiat Seicento 1998 engine gasket set
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLFeeler gauge setSearch: feeler gauge set
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