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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1745 (Automatic Transaxle - AF33-5 (Removal & Installation, Service & Overhaul)) >> Repair Instructions >> Transmission Control Module (TCM) Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn Ignition OFF.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Battery.
    3. Fig 1: View Of Transmission Control Module
    GM955399Courtesy of GENERAL MOTORS CORP.
  3. Pull retaining tang from the transmission control module and rotate the transmission control module up. Remove the transmission control module from transmission control module bracket.
    4. Fig 2: Removing/Installing TCM C1 & C2 Connectors
    GM934694Courtesy of GENERAL MOTORS CORP.
  4. Disconnect TCM C1 and C2 connectors.
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