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Engine and Radiator Flushing: Material

WARNING: This page is about a different car, the 2003 Mercury Marauder, 2003 Mercury Grand Marquis, and 2003 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Material Specification Chart
G01604935Courtesy of FORD MOTOR CO.
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.
  1. Drain the cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .
  2. Remove the water thermostat. For additional information, refer to THERMOSTAT- 4.6L (2V)  or THERMOSTAT-4.6L (4V) .
  3. Install the water hose connection without the water thermostat.
  4. NOTE: Refer to the cooling system flusher manufacturer's operating instructions for specific vehicle hook-up.
  5. Using the 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.

  6. Install the water thermostat. For additional information, refer to THERMOSTAT- 4.6L (2V)  or THERMOSTAT-4.6L (4V) .
  7. Backflush the heater core. For additional information, refer to HEATER CORE BACKFLUSHING .
  8. Fill the cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .