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2002 Subaru Impreza: Free-Wheeling Fun

Q--How do you find out whether an engine is free-wheeling or interference? I have seen you give the answer for specific engines quite often. I have a 2002 2.5-liter Subaru Impreza.

A--There are several sources for this information, but the one I find most convenient is the Timing Belt Replacement guide on the Web site hosted by the Gates Rubber Co. ( It not only lists makes, models, years and engines, it has a nice graphic explaining the difference between an interference and non-interference engine.

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