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Home >> Mazda >> 2007 >> B4000 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Mechanical) >> Cooling System >> Draining

Cooling System: Draining

WARNING: This page is about a different car, the 2002 Mazda B3000 and 2001 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.
  1. Release the pressure in the cooling system by slowly turning the coolant recovery reservoir cap one half to one turn counterclockwise to the first stop on the filler neck. When the pressure has been released, remove the cap.
  2. Place a suitable container below the radiator draincock. If equipped, disconnect the coolant return hose at the oil cooler.
  3. Open the radiator draincock. If equipped, remove the cylinder drain plug to drain the coolant from the cylinder block.
  4. When the coolant is drained, make sure the drain plugs are installed and tightened.
  5. Close the radiator draincock when finished.
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