Rear noise (whistling/humming)
- Make
- Fiat
- Model
- 500 Factory Service Manual
- Year
- 2007–2024
- Section
- Noise / vibrations › Rear noise (whistling/humming)
REAR NOISE (WHISTLING/HUMMING)
Whilst driving, especially on unmade roads, there is a whistling or blowing noise coming from the rear suspension. This diagnosis can only be made after
See table S015 NOISE WHILST DRIVING
Carry out the latter first.
If the problem is only on one side, carry out the checks and any operations on the appropriate side only.
| Test results | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|---|---|---|---|
Having carried out the road test, during the See table S015 NOISE WHILST DRIVING , there was a whistling/blowing noise from the back. Continue depending on the circumstances in which the noise occurs. | End of diagnosis | 1. The noise increases when cornering. 2. The noise increases in vertical oscillation conditions. | 1. Replace the wheel bearing complete with hub on the side where the noise is loudest 2. Move on to Step 1. | |
| 1 | BRAKE DRUM CHECK | All OK | Problems encountered | Operation |
| Remove the wheel and check the wear of the braking seals. | Move on to Step 2 | Drums worn. | Replacement of rear brake drums | |
| 2 | SHOCK ABSORBER STEM CHECK | All OK | Problems encountered | Operation |
| Remove the wheel and check that the noise is not due to irregular friction between the shock absorber stem and the gasket, checking the condition of the stem chrome surface. | End of diagnosis | There is irregular friction. | Lubricate the stem, raising the dust cover with a layer of silicone grease. If the noise persists, replace the shock absorber | |
Whilst driving, especially on unmade roads, there is a whistling noise coming from the rear suspension. This diagnosis can only be made after the.
See table S015 NOISE WHILST DRIVING
Carry out the latter first.
If the problem is only on one side, carry out the checks and any operations on the appropriate side only.
| Test results | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|---|---|---|---|
Having carried out the road test, during the See table S015 NOISE WHILST DRIVING , there was a whistling noise from the back. Continue depending on the circumstances in which the noise occurs. | End of diagnosis | 1. The noise increases when cornering. 2. The noise increases in vertical oscillation conditions. | 1. Replace the wheel bearing complete with hub on the side where the noise is loudest Op. 4450C32 2. Move on to Step 1. | |
| 1 | BRAKE DISC CHECK | All OK | Problems encountered | Operation |
Check for any distortion to the disc heat shield. Turn the wheel assembly to check for noise caused by contact between disc and heat shield. | Move on to Step 3 | 1. Heat shield distorted. 2. Contact between heat shield and disc. | 1. Restore the correct gap/replace the guard 2. Replacement of brake disc Op. 3310B48 , if the noise persists, replace the wheel bearing complete with hub | |
| 2 | SHOCK ABSORBER STEM CHECK | All OK | Problems encountered | Operation |
| Remove the wheel and check that the noise is not due to irregular friction between the shock absorber stem and the gasket, checking the condition of the stem chrome surface. | End of diagnosis | There is irregular friction. | Lubricate the stem raising the dust cover, using a layer of silicon grease. If the noise persists, replace the shock absorber | |
Parts & tools for this job For 2007 Fiat 500
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLSocket setSearch: socket set metric
- BOOKHaynes manualSearch: Haynes manual Fiat 500
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