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Home >> Cadillac >> 2021 >> XT5 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 707 (Automatic Transmission - 10L1000 (MGM MGU) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> Fluid Leak Diagnosis >> Dye and Black Light Method

Dye and Black Light Method

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

A fluid dye and black light kit is available from various tool manufacturers.

  1. Follow the manufacturer's instructions in order to determine the amount of dye to use.
  2. Detect the leak with the black light.
  3. Make the necessary repairs.