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Home >> Buick >> 2004 >> Century Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls 3.1L (Introduction, Service & Replacement) >> 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. Fig 1: View Of Air Cleaner Housing, Bolts, PCM & Harness
    GM444496Courtesy of GENERAL MOTORS CORP.
  2. Install the PCM (4) and the harness into the air cleaner housing.
  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 Service Programming System (SPS) in Programming.
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