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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L80-E/4L85-E - Overhaul >> Repair Instructions >> Transmission Oil Pump Disassemble

Transmission Oil Pump Disassemble

  1. Remove the transmission oil pump cover bolts (220).
    Fig 1: Locating Transmission Oil Pump Cover Bolts
    GM31190Courtesy of GENERAL MOTORS CORP.
  2. Remove the vent passage splash shield (239).
  3. Separate the oil pump body assembly (203) and the oil pump cover (206).
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