Nissan Xterra antifreeze leaking issue requiring full heating and cooling system replacement on Nissan Xterra

Some Nissan Xterra owners report experiencing coolant leaks from various components, including the reservoir, radiator, and hoses, particularly at their connections to the engine or radiator. These leaks can lead to overheating issues, resulting in significant repair costs and the need for multiple mechanic visits. The typical cost for diagnosing a coolant leak in a Nissan Xterra ranges from $44 to $56, making it essential to address these leaks promptly to prevent potential engine damage. In some cases, owners find that leaks stem from cracked heads or clogged radiator cooling holes, often exacerbated by the use of stop leak products. Additionally, when replacing heater hoses, it is advisable for owners to replace both inlet and outlet hoses to avoid further complications. For older Xterras, replacing radiator hoses and other antifreeze-contacting parts is recommended to maintain the cooling system's integrity. Addressing these issues comprehensively is crucial for ensuring the long-term health and performance of the vehicle.