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Questions and Answers

Ford Taurus Highway Speed Vibration

Q. I have a 2002 Ford Taurus SEL, loaded. 3.0 liter V-6 with 36,000 miles. When I reach cruising speed on the interstate, 75 to 80 mph, the car has started making a strange sound as if you are traveling next to a car with loud mufflers. Seems to be a harmonic type problem, but I can find nothing that is loose.

Ford Taurus Highway Speed Vibration

When the noise starts, you can put your hand on the head liner and feel a vibration. The car did NOT do this before. Interestingly, it does not start immediately. I have to drive down the interstate at speed for about five miles before the problem starts.

Any ideas?

A. If your 2002 Ford Taurus was built between 4/1/2002 and 10/1/2002, you may have a problem with an unbalanced cooling fan assembly. The condition will only occur with the A/C system ON and in ambient temperatures of 80°F and above. There is a TSB out, Article No. 03-11-1 dated 06/09/03 addressing the problem.

Other than that it may prove difficult to isolate the source of the vibration. It could be a bad tire, a bad shock, an out of balance axle shaft or a bad or broken body mount.

I would start with a high speed wheel balance for all four wheels and rotation.

The car should still be under warranty so your Ford Dealer should be taking care of it.

Additional Information provided courtesy of AllDATA

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