FixVault

Heater Core BACKFLUSHING

WARNING: This page is about a different car, the 2003 Lincoln Navigator and 2003 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Material Specification (Heater Core Backflushing)
G01563375Courtesy of FORD MOTOR CO.
    WARNING: Do not open the cooling system while it is hot or while the engine is running. Failure to follow these instructions can result in personal injury.
  1. Partially drain the cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .
  2. NOTE: For additional information, refer to the cooling system flusher operating instructions for specific vehicle hook-up.
  3. Use an appropriate cooling system flusher to backflush the heater core. Use Motorcraft Cooling System Flush VC-1 or equivalent meeting Ford specification ESR-M14P7-A.
  4. Fill the cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .