6 L4-2.5L (2010)
Coolant: Testing and Inspection
Engine Coolant Protection Inspection
ENGINE COOLANT PROTECTION INSPECTION [L5]
1. Measure the engine coolant temperature and specific gravity using a thermometer and a hydrometer.
CAUTION:
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Use engine coolant at a concentration that meets the environmental conditions in which the vehicle is driven, otherwise engine damage could
occur.
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The engine has aluminum parts and must be protected by an ethylene-glycol-based coolant to prevent corrosion and freezing.
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Do not use coolants containing Alcohol, Methanol, Borate or Silicate. These coolants could damage the cooling system.
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Use only soft (demineralized) water in the coolant mixture. Water that contains minerals will cut down on the coolant's effectiveness.
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Engine coolant damages paint. If engine coolant does get on a painted surface, rinse it off quickly.
NOTE:
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If the "FL22" mark is shown on or near the cooling system cap, use Mazda Genuine FL22 engine coolant.