Toyota
Ford Kuga
 Service Manual
Body Repairs - General Information » Wind Noise
Diagnosis

Wind noises often have similar causes as the general NVH noises. For instance, a windshield which is incorrectly bonded in position can cause normal driving noises to become more noticeable.

Asking the customer detailed questions and a road test together with the customer are the requirements for a targeted diagnosis.

NOTE: Take the customer concern seriously. But do not confirm that a noise is a problem until you are sure that it is something which is not normal for the vehicle series.

Possible questions:

  • How long has the noise been there?
  • Has any work been done on the vehicle?
  • Where does the noise come from?
  • In which driving situation does the noise appear?
  • Is there any special situation in which the noise appears?

Remember that a noise is often more or less noticeable depending on where you are sitting in the vehicle.

Stage to test Result Reference or Action
1st Road test the vehicle with the customer. First let the customer drive to demonstrate the noise, before you drive the vehicle yourself.

Check that the concern is justified. Is this a noise which gives cause for concern?

Yes Step 2.
    No Explain the noise and tell the customer what is causing it.

Possibly offer a comparable vehicle for a road test.

2nd Visually inspect the vehicle. Look for loose, damaged or missing components.

Check that the vehicle is to standard production series specification. In particular, check for any aftermarket components which may have been installed.

Depending on the type of noise, check the suspected area.

Could a cause of the noise be found?

Yes Eliminate the noise or carry out a repair as the case may be.

Check whether the measures have been successful.

    No Step 3.
3rd Before starting any further work, use the VIN to look for modelspecific information in eTIS.

Perform Oasis query and check TSBs. Can a cause for the noise be determined based on the information available?

Yes Take the action specified in the Oasis or TSB information.

Check whether the measures have been successful.

    No Step 4.
4th Localize the noise. In doing so, check whether it is an unusual noise or if it is a usual driving noise that is more noticeable because of inadequate sealing. Is it an unusual noise? Yes Step 5.
    No Step 7.
5th Determine the source of the noise. Can the cause be determined? Yes Eliminate the noise or carry out a repair as the case may be.

Check whether the measures have been successful.

    No Step 6.
6th Determine the path of the noise using the stethoscope.

By way of a trial, mask the suspected area or components or remove them.

Can the cause be determined?

Yes Eliminate the noise or carry out a repair as the case may be.

Check whether the measures have been successful.

    No Step 7.
7th Check the vehicle for inadequate or damaged seals.

The sealing of a vehicle can be checked using the stethoscope, the powder test, the smoke test and the ultrasonic detector.

(See under test method.) Could a leak be detected?

Yes Renew the seal or perform the appropriate repair as necessary.

Check whether the measures have been successful.

    No Step 8.
8th Under certain circumstances there may be a constructional problem which is not yet known about. Record the problem in an Express Service Report and send it on by the usual method.    
    More about «Wind Noise»:

    General information

    Workshop diagnosis

    Test method

    Diagnosis

    Possible concerns with corrective measures

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