Hyundai Santa Fe: Checking the coolant level - Engine coolant - MaintenanceHyundai Santa Fe: Checking the coolant level

Removing radiator cap

  • Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage and could result in serious personal injury from escaping hot coolant or steam.
  • Turn the engine off and wait until it cools down. Use extreme care when removing the radiator cap. Wrap a thick towel around it, and turn it counterclockwise slowly to the first stop. Step back while the pressure is released from the cooling system. When you are sure all the pressure has been released, press down on the cap, using a thick towel, and continue turning counterclockwise to remove it.
  • Even if the engine is not operating, do not remove the radiator cap or the drain plug while the engine and radiator are hot. Hot coolant and steam may still blow out under pressure, causing serious injury.

WARNING

The electric motor (cooling fan) is controlled by engine coolant temperature,

The electric motor (cooling fan) is controlled by engine coolant temperature, refrigerant pressure and vehicle speed. It may sometimes operate even when the engine is not running. Use extreme caution when working near the blades of the cooling fan so that you are not injured by a rotating fan blades. As the engine coolant temperature decreases, the electric motor will automatically shut off. This is a normal condition. If your vehicle is if equipped with GDI, the electric motor (cooling fan) may operate until you disconnect the negative battery cable.

Check the condition and connections of all cooling system hoses and heater hoses.

Check the condition and connections of all cooling system hoses and heater hoses. Replace any swollen or deteriorated hoses.

The coolant level should be filled between F (MAX) and L (MIN) marks on the side of the coolant reservoir when the engine is cool.

If the coolant level is low, add enough deonized water or soft water. Bring the level to F (MAX), but do not overfill. If frequent coolant refill is required, see an authorized HYUNDAI dealer for a cooling system inspection.

Recommended engine coolant

  • When adding coolant, use only deionized water or soft water for your vehicle and never mix hard water in the coolant filled at the factory. An improper coolant mixture can result in serious malfunction or engine damage.
  • The engine in your vehicle has aluminum engine parts and must be protected by an ethylene-glycolbased coolant to prevent corrosion and freezing.
  • DO NOT USE alcohol or methanol coolant or mix them with the specified coolant.
  • Do not use a solution that contains more than 60% antifreeze or less than 35% antifreeze, which would reduce the effectiveness of the solution.

For mixture percentage, refer to the following table.

WARNING

WARNING

Radiator cap

Do not remove the radiator cap when the engine and radiator are hot. Scalding

Do not remove the radiator cap when the engine and radiator are hot. Scalding hot coolant and steam may blow out under pressure causing serious injury.

Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant concentration level at least ...

Changing the coolant
Have coolant changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this section. CAUTION Put a thick cloth or fabric around the radiator cap before refilling ...

See also:

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City Safety steering assistance for evasive maneuver
City Safety steering assistance can help the driver steer away from a vehicle/obstacle when it is not possible to avoid a collision by braking alone. City Safety steering assistance is always activated ...

Parking brake
The parking brake helps keep the vehicle stationary by mechanically locking two wheels. The parking brake controls are located in the tunnel console between the seats. When the electric parking brake is ...