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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L80-E/4L85-E - Overhaul >> Repair Instructions >> Draining Transmission Fluid

Draining Transmission Fluid

    Fig 1: Draining Transmission Fluid
    GM334751Courtesy of GENERAL MOTORS CORP.
  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.