Workshop Manuals Factory service & repair Alfa Romeo
01 General data and specifications02 Maintenance03 Diagnosis – checks04 Engine (1.6 and 2.0 Twin Spark)05 Clutch06 Gearbox (manual and Selespeed)07 Front axle08 Brakes, ABS and traction control09 Steering10 Suspension and wheels11 Heating, air conditioning and washers12 Electrical equipment13 Body14 Body panels and reinforcement15 Wiring diagrams16 Connectors and pin-outs17 Wiring harnesses18 Fault diagnosis19 Special tools
Alfa Romeo 147 Factory Service Manual (2000-2002)18 · Fault diagnosis
18 · Diagnostics

T26 Wind noise in the front area

Make
Alfa Romeo
Model
147 Factory Service Manual
Year
2000–2002
Section
Wind noise › T26 Wind noise in the front area
Fault diagnosisT26 Wind noise in the front area

T26 Wind noise in the front area

StepTest procedureResultAction
1WIND NOISE AREA LOCATION

Test the vehicle until the speed is reached when the problem occurs to locate the area from which the wind noise is coming (if necessary, use bodywork adhesive tape)

OK

Move onto step 2

The wind noise is coming from the aerial mounting

Check

  • gasket
  • seal
  • mounting distortion

End of diagnosis

The wind noise is coming from the rear view mirror

Verify:

End of diagnosis

The noise is coming from the front doors

Verify:

  • door alignment Op. 7005A14
  • glass alignment [PR7005D15]
  • door surrounding seal [PR7005A34]
  • glass seal [PR7005D33]
  • outside glass scraper [PR7005D26]
  • handles [PR7005C11]

End of diagnosis

The noise is coming from the bonnet

Verify:

  • bonnet alignment Op. 7025A22
  • wind noise buffers
  • front seal on crossmember [PR7025A62]
  • rear seal

End of diagnosis

The noise is coming from the windscreen

Verify:

  • perimeter seal
  • seal Op. 7035A14
  • fixed lid
  • windscreen wiper arm position [PR5050B38]

End of diagnosis

The wind noise is coming from the front bumper

Verify:

  • bumper alignment
  • front pillar seal
  • headlamp alignment
  • alignment/fixing
  • wheel arch seal Op. 7055B42

End of diagnosis

The wind noise is coming from the spark out

Verify:

  • cable loom
  • seal

End of diagnosis

2CORRECT OPERATION CHECK

Check that the fault is no longer present

OK

Incorrect selection of diagnostic procedure

Fault persists

Incorrect selection of diagnostic procedure

Parts & tools for this job For 2000 Alfa Romeo 147

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