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Home >> Hyundai >> 2004 >> Sonata Base, 2.4 S, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> 2.4L 4-Cylinder Engine >> General >> General Procedures >> Specific Gravity Test >> Example

Specific Gravity Test: Example

The safe operating temperature is -15°C (5°F) when the measured specific gravity is 1.058 at coolant temperature of 20°C (68°F)

CAUTION:
  • If the concentration of the coolant is below 30%, its anti-corrosion properties will be adversely affected.
  • If the concentration is above 60%, both the anti-freeze and engine cooling property will decrease, affecting the engine adversely. For these reasons, be sure to maintain the concentration level within the specified range.
  • Do not mix types of anti-freeze.