Valve clearance

Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation.

    See also:

    Checking and changing the engine coolant
    WARNING: Do not remove the radiator cap when the engine is hot. When the engine is hot, the engine coolant is under pressure and may erupt through the opening if the cap is removed. You could be ...

    Changing the climate control air filter
    (For Evaporator and Blower Unit) (If Installed) The climate control air filter is located in front of the evaporator unit behind the glove box. It helps to decrease the amount of pollutants enter ...

    Checking the amount of air conditioner refrigerant and compressor lubricant
    When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative influence on the air conditioning system. Therefore, if abnormal operatio ...