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Home >> Pontiac >> 2003 >> Aztek AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 645 (Engine Controls (Introduction) -- 5.7L) >> Repair Instructions >> Powertrain Control Module (PCM) Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: PCM & Mounting Bracket
    GM519845Courtesy of GENERAL MOTORS CORP.
  1. Install the PCM to the PCM rear bracket.
  2. Position the PCM front bracket.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the PCM front retaining fasteners.

    Tighten:  Tighten the PCM retaining fasteners to 2.0 N.m (17 lb in).

    4. Fig 2: PCM Electrical Harness Connectors
    GM519848Courtesy of GENERAL MOTORS CORP.
  4. Connect the electrical connectors to the PCM.

    Tighten:  Tighten the PCM electrical connectors to 8 N.m (70 lb in).

  5. Install the TAC module. Refer to Throttle Actuator Control (TAC) Module Replacement .
  6. Install the wheelhouse filler panel. Refer to Wheelhouse Filler Replacement in Body Front End.
  7. If a new PCM is being installed, program the PCM. Refer to Service Programming System (SPS) in Programming.
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