SERVICE MANUAL
  Applies to: Hyundai Coupe/Tiburon 1998-2000
GROUP
Engine Mechanical System Cooling System
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SPECIFIC GRAVITY TEST
  1. Measure the specific gravity of the coolant with a hydrometer.

  1. Measure the coolant temperature, and calculate the concentration from the relation between the specific gravity and temperature. Use the following table for reference.

RELATION BETWEEN COOLANT CONCENTRATION AND SPECIFIC GRAVITY
THE FOLLOWING TABLE IS APPLICABLE ONLY TO THE SPECIFIED HIGH QUALITY ETHYLENE GLYCOL (ANTIFREEZE) COOLANT

Example

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

CAUTION
If the concentration of the coolant is below 30%, the anti-corrosion property will be adversely affected. In addition, if the concentration is above 60%, both the anti-freeze and engine cooling properties will decrease, adversely affecting the engine. For these reasons, be sure to maintain the concentration level within the specified range. Do not mix brands of coolant.
RECOMMENDED COOLANT
Antifreeze
Mixture ratio of anti-freeze in coolant
ETHYLENE GLYCOL BASE FOR ALUMINUM
50 %