GMC Terrain overheating and loud humming noise due to damaged power steering system from hose leak and hole in radiator hose on GMC Terrain

Some GMC Terrain owners report experiencing overheating issues, which can be attributed to coolant leaks from hoses or the radiator, a malfunctioning thermostat, or insufficient coolant levels. Common symptoms of this overheating include smoke emanating from under the hood and a temperature gauge that pegs. Owners are advised to stop driving immediately to prevent potential engine damage. Additionally, some owners report a loud humming noise at high speeds, which may indicate problems with the power steering system or other mechanical issues. Damage to the power steering system, such as a hose leak, can contribute to this noise, while a hole in the radiator hose may lead to coolant leaks, further worsening the overheating problem. Regularly checking coolant levels and ensuring the proper functioning of the thermostat and radiator hoses can help mitigate these concerns.