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Home >> GMC >> 2004 >> Sierra 2500, 2D Pickup, LQ4/KL8, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.0L - Alternative Fuels (Introduction) >> Repair Instructions >> Fuel Injection Control Module Replacement >> Installation Procedure

Installation Procedure

    Fig 1: FICM Insulator Mounting Nuts
    GM1489172Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the FICM insulators (3) into the FICM (2).

    Tighten:  Tighten the insulators fingertight.

  2. Install the FICM (2) onto the mounting bracket (1) ensuring the connector is facing down.
  3. Install the insulator nuts (4).

    Tighten:  Tighten the nuts to 12 N.m (9 lb ft).

    4. Fig 2: Fuel Injection Control Module (FICM) Mounting Bracket Assembly
    GM1489171Courtesy of GENERAL MOTORS CORP.
  4. Slide the FICM mounting bracket (3) first onto one mounting screw (1) then onto the other mounting screw (1). Do not tighten the screws.
  5. Install the lower right FICM mounting bracket screw (2).

    Tighten:  Tighten all of the mounting screws to 12 N.m (9 lb ft).

  6. Connect the electrical connector to the FICM and install the connector position assurance lock.
  7. Install the right side wheelhouse panel retainers. Refer to Wheelhouse Panel Replacement in Body Front End in the C/K Pickup Service Manual.
    8. CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  8. Install the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical in the C/K Pickup Service Manual.
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