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Automatic Transmission - 4L80-E/4L85-E - Overhaul: Maintenance Chevrolet RV Cutaway G3500

Draining Transmission Fluid

  1. Place a suitable fluid collection pan under the transmission assembly.
  2. Slowly rotate the transmission so that the input shaft is up, in order to drain the transmission fluid out of the case extension.
  3. Remove the collection pan and properly dispose of the transmission fluid.