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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L80-E/4L85-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Off-Vehicle Repair Instructions >> Transmission Oil Pump Body Assemble

Transmission Oil Pump Body Assemble

Tools Required 

J 38693  Oil Pump Seal Installer. See Special Tools .

    Fig 1: Identifying J 38693
    GM31210Courtesy of GENERAL MOTORS CORP.
  1. Using the J 38693  , install the torque converter oil seal assembly (201). See Special Tools .
    2. Fig 2: View Of Oil Pump Drive Gear And Driven Gear
    GM181748Courtesy of GENERAL MOTORS CORP.
  2. Lubricate the oil pump drive gear (205) and driven gear (204) with DEXRON®VI automatic transmission fluid.
    3. IMPORTANT: The identification dots on the oil pump drive gear (205) must be facing up in order to ensure correct orientation of the drive flats.
  3. Install the oil pump driven gear (204) and drive gear (205) with the identification dots facing up.
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