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Home >> Chevrolet >> 2021 >> Blazer L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T50 (M3D), 9T60 (M3T) Or 9T65 (M3V) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Control Valve Solenoid Body Replacement >> Installation Procedure

Installation Procedure

  1. If replacing the control valve solenoid body, record the part unique number (PUN) prior to installing the control valve solenoid body. Control Valve Solenoid Body Identification Information
  2. GM4492099Courtesy of GENERAL MOTORS COMPANY

    Install the control valve solenoid body (1) to the transmission. Control Valve Body Assembly Installation

  3. GM4489058Courtesy of GENERAL MOTORS COMPANY

    Install the control valve body cover (1) to the transmission. Control Valve Body Cover Replacement (LCV, LGX) , or Control Valve Body Cover Replacement (LSY) 

  4. Reprogram the transmission. Q77 Transmission Control Solenoid Valve Characterization Programming