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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 257 (ENGINE COOLING SYSTEM)GENERAL PROCEDURESCOOLING SYSTEM FLUSHING
2010 Mercury Mariner Hybrid, AWD

Cooling System Flushing

2010 Mercury Mariner Hybrid, AWDSECTION Cooling System Flushing
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
MATERIAL

Item Specification
Premium Cooling System Flush VC-1 ESR-M14P7-A
WARNING: Do not open the cooling system while it is hot or the engine is running. Failure to follow these instructions may result in personal injury.
    WARNING: If equipped with fire suppression system, depower the system. For important safety warnings and procedures, refer to FIRE SUPPRESSION SYSTEM .
  1. Drain the cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .
  2. Remove the coolant thermostat. For additional information, refer to THERMOSTAT .
  3. Install the coolant hose connection without the coolant thermostat.
    4. NOTE: Refer to the cooling system flusher manufacturer's operating instructions for specific vehicle hook-up.
  4. Using an appropriate cooling system flusher, flush the engine and radiator.

    Use Premium Cooling System Flush VC-1 or equivalent meeting Ford specification ESR-M14P7-A. Always flush the cooling system with water thoroughly after using the VC-1 flush and prior to filling the cooling system. Always fill the cooling system with the same coolant that was present in the system. Do not mix coolant types.

  5. Install the coolant thermostat. For additional information, refer to THERMOSTAT .
  6. Backflush the heater core. For additional information, refer to HEATER CORE BACKFLUSHING .
  7. Fill and bleed the cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .
    8. WARNING: If equipped with fire suppression system, repower the system. For important safety warnings and procedures, refer to FIRE SUPPRESSION SYSTEM .
  8. If equipped with fire suppression system, repower the system.
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.