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Home >> Mercury >> 2005 >> Grand Marquis LSE >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Electronic Engine Control System >> Removal And Installation >> Powertrain Control Module (PCM) >> Removal and Installation

Removal and Installation

  1. Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES .
  2. Release the clips and disconnect the three powertrain control module (PCM) electrical connectors.
    Fig 1: Releasing Clips And Disconnect Three Powertrain Control Module (PCM) Electrical Connectors
    G04002708Courtesy of FORD MOTOR CO.
  3. Remove the PCM retaining bolt and remove the PCM from the mounting bracket.
    • To install, tighten to 10 Nm (89 lb-in).
      Fig 2: Removing PCM From Mounting Bracket
      G04002709Courtesy of FORD MOTOR CO.
  4. To install, reverse the removal procedure.