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Home >> Mazda >> 2007 >> B4000 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 552 (Cooling System) >> Engine Coolant Flushing - 2.3L >> Engine and Radiator

Engine and Radiator

WARNING: This page is about a different car, the 2007 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • Do not open the cooling system while it is hot or while the engine is running.
  1. Drain the cooling system. See ENGINE COOLANT REPLACEMENT - 2.3L  .
  2. Remove the thermostat.
  3. Install the thermostat housing without the thermostat.
    NOTE:
    • See the cooling system Flusher Manufacturer's Operating Instructions for specific vehicle hook-up.
  4. Use an appropriate cooling system flusher to flush the engine and radiator.
    • Use premium cooling system flush.
  5. Install the thermostat.
  6. Backflush the heater core.
  7. Fill the cooling system. See ENGINE COOLANT REPLACEMENT - 2.3L  .