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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1220 (Engine Mechanical - 3.1L (On-Vehicle)) >> Diagnostic Information and Procedures >> Oil Leak Diagnosis >> Black Light and Dye Method

Black Light and Dye Method

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

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.

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