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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1438 (ELECTRONIC ENGINE CONTROLS (HYBRID))REMOVAL AND INSTALLATIONPOWERTRAIN CONTROL MODULE (PCM)REMOVAL
2010 Mercury Mariner Hybrid, AWD

Powertrain Control Module (PCM): Removal

2010 Mercury Mariner Hybrid, AWDSECTION Removal
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the vehicle in NEUTRAL, position on a hoist. For additional information, refer to JACKING & LIFTING article.
  2. Retrieve the module configuration. Carry out the module configuration retrieval steps of the Programmable Module Installation (PMI) procedure. For additional information, refer to MODULE CONFIGURATION -- FUSION MILAN & MKZ article.
  3. Remove the cowl panel grille. For additional information, refer to FRONT END BODY PANELS -- FUSION, MILAN & MKZ .
  4. Disconnect the vacuum hose from the vacuum brake booster.
    Fig 1: Locating Vacuum Hose Of Vacuum Brake Booster
    G07785837Courtesy of FORD MOTOR CO.
  5. Disconnect the 3 PCM electrical connectors.
  6. Remove the ground strap bolt and disconnect the ground strap retainer.
    Fig 2: Locating Ground Strap Bolt And Ground Strap Retainer
    G07785838Courtesy of FORD MOTOR CO.
  7. Remove the two LH splash shield pin-type retainers and position the LH splash shield aside.
    Fig 3: Locating LH Splash Shield Pin-Type Retainers
    G07785839Courtesy of FORD MOTOR CO.
  8. Remove the lower PCM bolt and the upper PCM bracket bolt.
    • Remove the PCM.
  9. Remove the upper PCM bolt and the PCM bracket from the PCM.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.