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Home >> Mazda >> 2004 >> 3 s, 4D Hatchback, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Cooling Fan >> Cooling System >> Radiator Drain Plug Replacement

Radiator Drain Plug Replacement

  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.