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Fiat Multipla Factory Service Manual (1998-2010)22 · Fault diagnosis
22 · Diagnostics

Bonnet wind noise

Make
Fiat
Model
Multipla Factory Service Manual
Year
1998–2010
Section
Wind noise › Bonnet wind noise
Fault diagnosisBonnet wind noise

BONNET WIND NOISE

With the vehicle moving, there is noise coming from the front of the passenger compartment.

Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation

Preliminarily check that the bonnet is properly closed

Check that the noise is actually coming from the bonnet lid by carrying out the test for locating the noise See Test 70A Location of wind noise (preliminary location)

Continue to Step 1The wind noise comes from another areaCheck the diagnostic table corresponding to the area located.
1CHECK LOCATION OF NOISE FROM BONNET LIDAll OKProblems metOperation
Carry out the detailed test for locating noise from the bonnet lid See Test 7025A Location of bonnet wind noiseand identify the area where the noise is coming from.

No wind noise is located

Continue to Step 2

The noise is coming from the front of the bonnetCheck the condition of the front seal and make sure it is properly fitted Op. 7025A62
The noise is coming from the side of the bonnetCheck that the bonnet is correctly adjusted; if necessary, carry out the alignment operation Op. 7025A10
2FLAME DAMPER CHECKAll OKProblems metOperation

Check the flame damper partition.

In particular, ascertain:

  • the plugs are fitted
  • the plugs are correctly fitted
  • the rubber cable covers are fitted correctly
  • the sealing is efficient
  • correct assembly
Continue to Step 3Flame damper partition faultyRenew the flame damper partition
3CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'

Parts & tools for this job For 1998 Fiat Multipla

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