Workshop Manuals Factory service & repair Alfa Romeo
01 General data and specifications02 Engine (Twin Spark, JTD and V6)03 Clutch04 Gearbox (manual, Selespeed and Q-System)05 Front axle06 Brakes, ABS and traction control07 Steering08 Suspension and wheels09 Heating, air conditioning and washers10 Electrical equipment11 Body12 Body panels and reinforcement13 Wiring diagrams14 Connectors and pin-outs15 Wiring harnesses16 Fault diagnosis17 Special tools
Alfa Romeo 156 Factory Service Manual (1997-2002)16 · Fault diagnosis
16 · Diagnostics

T25 Rear area wind noise (S.W.)

Make
Alfa Romeo
Model
156 Factory Service Manual
Year
1997–2002
Section
Wind noise › T25 Rear area wind noise (S.W.)
Fault diagnosisT25 Rear area wind noise (S.W.)

T25 Rear area wind noise (S.W.)

With the car in motion, a noise is heard coming from the rear of the passenger compartment.

StepTest procedureResultAction
0PRELIMINARY CHECKS

Firstly, check the correct closing and alignment with the surrounding surfaces (wings and roof) of the tailgate and the correct fixing of the radio phone aerial, if fitted, and the spoiler.

Check the wind noise comes from the rear by carrying out the test for preliminary location of wind noise See Test 7010A Location of rear door wind noises

OK

Move onto step 1

The wind noise comes from another area
  • See the fault diagnosis for locating the area.

End of diagnosis

1CHECK TAIL-LIGHTS

Check the tail lights and, in particular, check:

  • the alignment of the tail lights with the tailgate
  • the correct matching between the tailgate and the housing trim
  • the correct fitting/matching of the rear wheel arch
OK

Move onto step 2

Exterior tail-lights incorrectly fitted

End of diagnosis

Interior tail-lights incorrectly fitted

End of diagnosis

Components not correctly fitted
  • Restore the correct fitting/alignment of the components involved

End of diagnosis

2REARSCREEN CHECK

Check the seal of the rearscreen sealant by carrying out a test:

OK

Move onto step 3

No sealant
  • Renew the sealant, following the instructions given in the test in question

End of diagnosis

3ROOF RACK CHECK

Check that the roof rack and the bolt covers are correctly fixed

OK

Move onto step 4

Roof rack not correctly fitted
  • Refit the roof rack correctly

End of diagnosis

No bolt covers
  • Repositin the bolt covers correctly

End of diagnosis

4THIRD SIDE WINDOW CHECK

Check the perimeter of the sealant for the third side windows: See Test 7035A Fixed window glass (windshield and rear window) infiltration absence test

OK

Move onto step 5

No sealant
  • Renew the sealant following the instructions for the test in question

End of diagnosis

5CORRECT OPERATION CHECK

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

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