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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (Automatic Transmission - 8L90 (M5U) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Fluid Pump Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM3681778Courtesy of GENERAL MOTORS COMPANY

    Install the automatic transmission fluid pump (2). Refer to automatic transmission fluid pump assembly installation in Control Valve Body Assembly Assemble .

  2. Install the control valve body. Refer to Control Valve Body Replacement .
  3. Reprogram the transmission. Solenoid Valve Characterization Reprogramming
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