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Home >> Buick >> 2002 >> Century Limited >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 3.1L V6 - VIN (J) (On-Vehicle) >> Diagnostic Information and Procedures >> Oil Leak Diagnosis >> Black Light and Dye Method

Black Light and Dye Method

A dye and light kit is available for finding leaks.

  1. Use the J 28428-E or the equivalent. Refer to the manufacturer's instructions when using the tool.
  2. Visually inspect the suspected area. Use a small mirror if necessary

    Refer to Possible Causes for Leaks  if necessary.