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Home >> Cadillac >> 2002 >> Seville STS >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal, Overhaul & Installation >> Computerized Engine Controls >> Powertrain Control Module >> Removal (Eldorado)
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Removal (Eldorado)

  1. PCM is located on left side of engine compartment, inside air filter assembly. Record the Transaxle Fluid and Engine Oil Life Indexes. Turn OFF the ignition. Disconnect the negative battery cable. Remove the brace from between the left fender and the radiator core support.
  2. Disconnect the Mass Air Flow/Intake Air Temperature (MAF/IAT) sensor electrical connector. Loosen the intake air duct clamp at the throttle body. Lift the air cleaner element assembly off of the air inlet assembly locating pins. Slide the air cleaner element assembly toward the fender to separate the air cleaner element assembly from the air inlet assembly.
  3. Remove the intake air duct/air cleaner assembly. Open the air inlet housing to gain access to the PCM. Loosen the connector attaching bolts. Disconnect both PCM connectors.
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