Gearbox noise - in a specific gear
- Make
- Alfa Romeo
- Model
- Brera and Spider Factory Service Manual
- Year
- 2005–2010
- Section
- Noise / vibrations › Gearbox noise - in a specific gear
Fault diagnosisGearbox noise - in a specific gear
GEARBOX NOISE - IN A SPECIFIC GEAR
With the engine running, there is a noise (whistling inside the gearbox) when a specific gear is engaged. This noise decreases or disappears on changing gear
| Test results | ||||
| 1 | SYNCHRONIZER RING CHECK | All OK | Problems encountered | Operation |
|---|---|---|---|---|
Overhaul the gearbox In particular, check the synchronizer rings of the gear engaged: there should be no wear on the inner surfaces. | Move on to Step 2 | Seals worn | Replace the synchronizers | |
| 2 | GEAR CHECK | All OK | Problems encountered | Operation |
Overhaul the gearbox In particular, check the teeth of the gear engaged: there should be no signs of wear or seizing | Move on to Step 3 | Gears worn | Replace the gears involved | |
| 3 | REDUCTION GEAR CHECK | All OK | Problems encountered | Operation |
Check the reduction gear More specifically: - it should not be worn or damaged; - there should not be excessive clearance | End of diagnosis | Reduction gear damaged | Restore the clearance or, if necessary, replace the reduction gear | |
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