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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 337 (COOLING SYSTEM)ENGINE COOLANT PROTECTION INSPECTION
2008 Mazda 6 s Sport, 4D Hatchback, Standard

Engine Coolant Protection Inspection

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Engine Coolant Protection Inspection
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure the engine coolant temperature and specific gravity with a thermometer and a hydrometer.
    CAUTION:
    • The engine has aluminum parts that can be damaged by alcohol or methanol antifreeze. Do not use alcohol or methanol in the cooling system. Use only ethylene-glycol-based engine coolant.
    • Use only soft (demineralized) water in the engine coolant mixture. Water that contains minerals will reduce the engine coolant's effectiveness.
  2. Determine the engine coolant protection by referring to the graph shown.
    • If the engine coolant protection is not proper, add water or engine coolant.
      Fig 1: Coolant Temperature Graph
      G03643827Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.