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Home >> Chevrolet >> 2007 >> Optra LS, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - AISIN 81-40LE - Specifications, Component Locations And Repair >> Repair Instructions >> Transmission Control Module Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of TCM Electrical Connector
    GM1376107Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution .
  1. Disconnect the negative battery cable.
  2. Disconnect the transmission control module (TCM) electrical connector.
    3. Fig 2: Identifying TCM Retaining Bolts
    GM1376108Courtesy of GENERAL MOTORS CORP.
  3. Remove the TCM retaining bolts.
  4. Remove the TCM.
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