T20 Sunroof wind noise
- Make
- Alfa Romeo
- Model
- 156 Factory Service Manual
- Year
- 1997–2002
- Section
- Wind noise › T20 Sunroof wind noise
T20 Sunroof wind noise
With the vehicle moving, a noise is heard coming from the sun roof with it closed.
| Step | Test procedure | Result | Action |
|---|---|---|---|
| 0 | PRELIMINARY CHECKS Check that the noise disappears when the roof is opened Check that the wind noise is actually coming from the sun roof by carrying out the preliminary test for identifying the location of wind noise See Test 70A Rustle detection (preliminary detection) | OK | |
| The noise persists with the roof open | Move onto step (see S75) | ||
| The wind noise comes from another area |
End of diagnosis | ||
| 1 | CHECK SUNROOF ALIGNMENT Check the fitting of the sun roof. In particular, make sure that the roof - compartment alignment is correct. | OK | |
| Faulty fitting of the sunroof |
End of diagnosis | ||
| 2 | SUN ROOF ADJUSTMENT CHECK Check that the sun roof end of travel adjustment is correct | OK | |
| Electrical end of travel not aligned with the mechanical stops |
End of diagnosis | ||
| 3 | CHECK SUNROOF SEAL Check the condition of the sun roof seal | OK | |
| Faulty fitting of seal |
End of diagnosis | ||
| 4 | CHECK CORRECT OPERATION Check that the fault is no longer present | OK | End of diagnosis |
| Fault persists | Incorrect selection of diagnostic procedure |
Parts & tools for this job For 1997 Alfa Romeo 156
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLSocket setSearch: socket set metric
- BOOKHaynes manualSearch: Haynes manual Alfa Romeo 156
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