Vehicle Questions and Answers
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The 2008 Nissan Pathfinder heater control valve is situated on either the inlet or outlet port, regulating the flow of coolant as needed. A malfunction in this valve can result in overheating or coolant line flooding, depending on whether it is open or closed. Issues may stem from a faulty valve, as well as leaks in the coolant line or a malfunctioning thermostat. If your vehicle begins to overheat, it is crucial to shut it off right away and get it to a professional mechanic for inspection and repairs.
The position of the heater control valve in a 2008 Nissan Pathfinder may be on either the inlet or outlet side of the heater core.