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yeah you do need a new heater core which is located in the dash board

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โˆ™ 2005-06-01 20:15:50
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Q: If your 93 Pontiac Grand Am 4cyl 2.3l overheats and coolant is leaking from a hose at the back of the firewall and the floorboard is damp do you need a new heater core?
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