Engine rumbling
- Make
- Fiat
- Model
- 500 Factory Service Manual
- Year
- 2007–2024
- Section
- Noise / vibrations › Engine rumbling
Fault diagnosisEngine rumbling
ENGINE RUMBLING
| Test results | ||||
There is a low frequency noise coming from the engine whose intensity varies with the number of revs
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|---|---|---|---|
| Carry out a road test to check the conditions in which the noise occurs. | End of diagnosis | The noise is heard when braking. | Move on to Step 1 | |
| 1 | BRAKE SERVO VACUUM VALVE CHECK | All OK | Problems encountered | Operation |
| Check the condition of the one-way valve on the brake servo vacuum pipe. | End of diagnosis | Brake servo valve faulty. | Replace the brake servo valve Op. 3330D20 |
Parts & tools for this job For 2007 Fiat 500
- PARTEngine gasket setSearch: Fiat 500 2007 engine gasket set
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLFeeler gauge setSearch: feeler gauge set
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