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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transmission - 8L90 (M5U MQD) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Fluid Leak Diagnosis >> Dye and Black Light Method

Dye and Black Light Method

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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.