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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (Automatic Transmission - ALLISON - Service, Diagnosis & Troubleshooting) >> Fluid Leak Diagnosis >> Powder Method

Powder Method

WARNING: This page is about a different variant/trim than selected.
  1. Thoroughly clean the suspected leak area with solvent.
  2. Apply an aerosol type powder, such as foot powder, to the suspected leak area.
  3. Operate the vehicle for 24 km (15 mi), or until normal operating temperatures are reached.
  4. Shut OFF the engine.
  5. Inspect the suspected leak area.
  6. Trace the leak path through the powder in order to find the source of the leak.
  7. Make the necessary repairs.
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