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Home >> Buick >> 2005 >> Century Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Powertrain Control Module (PCM) Replacement >> Installation Procedure
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Installation Procedure

    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the PCM to the connectors.

    Tighten:  Tighten the connectors to 8 N.m (71 lb in).

  2. Install the PCM (4) and the harness into the air cleaner housing.
    3. Fig 1: View Of Air Cleaner Housing, Bolts, PCM & Harness
    GM444496Courtesy of GENERAL MOTORS CORP.
  3. Install the air cleaner housing cover assembly. Refer to Air Cleaner Assembly Replacement .
  4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  5. The new PCM must be programmed. Refer to Control Module References in Computer/Integrating Systems.
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