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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 214 (Automatic Transaxle Diagnosis - 4T65-E) >> Removal & Installation >> Powertrain Control Module >> Removal

Powertrain Control Module: Removal

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Remove the left front inner fender brace.
  3. Remove the air cleaner intake duct.
  4. Remove the air cleaner housing cover screws (2). See Figure .
  5. Remove the air cleaner housing cover (1).
  6. Without disconnecting the PCM electrical connectors, remove the PCM and the wiring harness from the air cleaner housing assembly (3).
  7. Disconnect the PCM electrical connectors and remove the PCM.
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