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The heater bypass hose on a 1998 Oldsmobile Aurora serves to redirect coolant around the heater core when the heating system is not in use. This helps maintain optimal engine temperature by ensuring that coolant continues to circulate, preventing potential overheating. It also prevents coolant loss and helps maintain the efficiency of the heating system when activated. If the hose is damaged or leaks, it can lead to cooling system issues and affect the vehicle's heating performance.

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AnswerBot

2mo ago

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