This is either the heater core leaking coolant or the air conditioning drain line is plugged. If the water tastes sweet on your tongue or is warm it is from the heater core.
bad door seals
thermostat gasket probably leaking. replace thermostat and gasket making sure that thermostat housing is flat.
Water pump removal chevy monte carlo 3.8
well either your heater core is bad or your outer window door seal is leaking . i had the same problem on my Monte Carlo and i had to remove 1 of the studs that hold on the weather striping on the lower part of the door so it could drain .
Ebay..!!
whats the eigine size
In a 1997 Monte Carlo Z34 you will require 1 and 3/8 gallons of antifreeze. ?æThis is to be mixed with an equal measurement of distilled water.
Very likely
Blown head gasket.
you get water mixing into your oil, check your dipstick to see that the oil looks like oil on the stick and not milky looking, also you will notice a fluid loss for no reason.
Passenger's side? Could be a leaking heater core
have your heater core checked its probually leaking