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Radiator Drain Plug Replacement

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  2. Loosen the radiator drain plug completely.
  3. CAUTION:
    • Do not apply excessive force to the flathead screwdriver or equivalent as doing so can damage the drain bore. Slowly and carefully pry out the radiator drain plug when removing it.
  4. Using a flathead screwdriver or equivalent, pry out the radiator drain plug.
  5. Install a new radiator drain plug with a new O-ring.

    Tightening Torque 

    1.2-1.5 N.m {13-15 kgf.cm, 11-13 in.lbf} 

  6. Add engine coolant. (See ENGINE COOLANT REPLACEMENT .)
    Fig 1: Removing/Installing Radiator Drain Plug
    G00972685Courtesy of MAZDA MOTORS CORP.