Toyota
Ford Kuga
 Service Manual
Noise, Vibration and Harshness
Power Steering Operation Noise Check

Step 1: Check for NVH concerns from non-steering components, which may sound like noises coming from the steering system.

Power assisted steering operating condition

Parking Driving
Steering central/slightly off center Steering at a steering lock stop Driving straight ahead Cornering condition
REFER to NVH concerns from other components column A REFER to NVH concerns from other components column B REFER to NVH concerns from other components column C REFER to NVH concerns from other components column D

NVH concerns from other components

NVH concerns from other components

Step 2: Check for steering system NVH concerns according to operation condition described at the customer interview.

Power assisted steering operating condition

Parking Driving Vehicle stationary with engine off
Steering central/ slightly off center Steering at a steering lock stop Steering central/slightly off center Steering at a steering lock stop Steering central/ slightly off centre Steering at a steering lock stop
REFER to steering system NVH concerns column A REFER to steering system NVH concerns column B REFER to steering system NVH concerns column C REFER to steering system NVH concerns column D REFER to steering system NVH concerns column E REFER to steering system NVH concerns column F

Steering system NVH concerns

Steering system NVH concerns

Step 3: According to each identified operating condition (Column A, B, C, D, E, F), check each possible Steering System NVH concern with the detail symptom charts below.

Before conducting a vehicle test to identify a NVH concern carry out the following checks.

1. Check the tire pressures and adjust to specification, as necessary.

2. Make sure the steering system fluid is correct, the system is free of leaks and is operating correctly.

3. Make sure the vehicle steering system temperature is the same as described at the customer interview.

4. All evaluations must take place in a relatively quiet location.

5. The heating - air conditioning (A/C) fan and radio must be turned off during evaluations and the windows closed.

    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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