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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 946 (Transfer Case (NVG226-NP8)) >> Repair Instructions >> Transfer Case Shift Control Module Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The access panel is removed in order to visually see the electrical connectors and the location of the transfer case control module. It will also be easier to see the mounting and alignment slots for the transfer case control module mounting bracket.
  1. Remove the access panel.
    2. Fig 1: Removing Access Panel
    G01705707Courtesy of GENERAL MOTORS CORP.
  2. Remove the knee bolster panel. Refer to TRIM PANEL REPLACEMENT - KNEE BOLSTER in Instrument Panel, Gages, and Console.
    3. Fig 2: Removing Knee Bolster Panel
    G01705708Courtesy of GENERAL MOTORS CORP.
  3. Remove the lower instrument panel cover.
    4. Fig 3: Removing Lower Instrument Panel Cover
    G01705709Courtesy of GENERAL MOTORS CORP.
  4. Remove the left hand heat, vent and air conditioning vent.
    5. Fig 4: Removing Left Hand Heat Vent And Air Conditioning Vent
    G01705710Courtesy of GENERAL MOTORS CORP.
  5. Remove the three electrical connectors from the transfer case control module.
  6. Remove the transfer case control module.
    Fig 5: Removing Transfer Case Control Module
    G01705711Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When removing the transfer control module, it is not uncommon for the mounting bracket to be removed at the same time the transfer case control module is removed.
  7. Remove the transfer case control module from the mounting bracket.
    8. Fig 6: Removing Transfer Case Control Module From Mounting Bracket
    G01705712Courtesy of GENERAL MOTORS CORP.
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