I have had that happen in another vehicle but it may be the heater core.....how can I tell? If it is the heater core, does the dash need to come out to replace the heater cote?
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1993 Nissan Pickup (D21) Question: My passenger side floorboard is getting soaked...is it a stopped up drain plug?
see if fluid tastes sweet if yes its coolant. hr job for a good tech. dash needs to come out to a certain point yes