Tracing Powder or Chalk Test
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Tracing Powder or Chalk Test
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Clean the weatherstrips and the contact surfaces with cleaning solvent.
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1.
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Apply powder or chalk in an unbroken line to the contact surface of the weatherstrip surrounding the perimeter of the suspected areas.
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2.
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Close the panel completely without slamming the panel. Closing the panel completely presses the weatherstrip firmly against the mating surface.
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3.
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Inspect the applied line on the weatherstrip. The applied line is marred where contact is good. A corresponding imprint is on the mating surfaces.
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4.
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Gaps or irregularities in the powder or the chalk line on the mating surfaces indicate the areas with a poor seal.
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