Since early 2009 the steering in my 2006 Ford Territory TX two- wheel drive has shaken or vibrated at about 80 km/h when on the freeway. The puzzle is that it might happen one day and not the next. My Ford dealer has balanced the wheels and checked the break pads, but the problem keeps re-occurring. What could be causing the problem?
The obvious thing is a wheel imbalance, but that has been done, so look elsewhere in the drive train, such as a driveline imbalance or misalignment, or perhaps the wheel bearings.
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