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Diagnosis Wind noises often have similar causes as the general NVH noises. For instance, a windshield Asking the customer detailed questions and a road test together with the customer are the NOTE: Take the customer concern seriously. But do not confirm that a noise is a problem Possible questions: How long has the noise been there? Remember that a noise is often more or less noticeable depending on where you are sitting 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 after-market 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 model-specific 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 Yes Step 5.
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