Toyota
Ford Kuga
 Service Manual
Noise, Vibration and Harshness
Road Conditions

An experienced technician will always establish a route that will be used for all NVH diagnosis road tests. The road selected should be reasonably smooth, level and free of undulations (unless a particular condition needs to be identified). A smooth asphalt road that allows driving over a range of speeds is best. Gravel or bumpy roads are unsuitable because of the additional road noise produced. Once the route is established and consistently used, the road noise variable is eliminated from the test results.

NOTE: Some concerns may be apparent only on smooth asphalt roads.

If a customer complains of a noise or vibration on a particular road and only on a particular road, the source of the concern may be the road surface. If possible, try to test the vehicle on the same type of road.

Vehicle Preparation

Carry out a thorough visual inspection of the vehicle before carrying out the road test. Note anything which is unusual. Do not repair or adjust any condition until the road test is carried out, unless the vehicle is inoperative or the condition could pose a hazard to the technician. After verifying that the condition has been corrected, make sure all components removed have been installed.

    More about «Noise, Vibration and Harshness»:

    Noise, Vibration and Harshness (NVH)

    Road Test

    Road Test Quick Checks

    Noise Diagnostic Procedure

    Road Conditions

    Power Steering Conditions

    Power Steering Operation Noise Check

    Symptom Chart

    Pinpoint Tests

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