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Home >> Chevrolet >> 2007 >> Optra5 LS, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine Mechanical - 1.4L DOHC >> 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. Refer to the manufacturer's directions when using the kit.

  1. Pour the specified amount of dye into the engine oil fill tube.
  2. Operate the vehicle under normal operating conditions as directed in the kit.
  3. Direct the light toward the suspected area. The dyed fluid will appear as a yellow path leading to the source.
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