usually bad odor, steam or fog on windshield and residue of coolant in floorboard of vehicle
You know the heater core is bad when your truck leaks antifreeze onto the floor of the passenger side.
I think it is your heater core gone bad
The first sign that a heater core is bad is the lack of heat from the blower motor on a vehicle. The second sign that a heater core is bad is water on the floor of the passenger side foot well on a vehicle.
On the 1994 BMW 530i, the heater core is located under the dash in the engine compartment. You know the heater core is bad when it starts to leak.
The heater core has gone bad or possibly a hose leading to it or away from it has gone bad.
have the heater core checked out. it may have gone bad or there may be something clogging it Check your heater core, it could be bad, then check thermo sensors.
Most likely your heater core has gone bad.
normally you have no heat and,or water on the passenger floorboard
Ok, I got the answer to this question. It seems that there is not a heater control valve in the heater hose line.
Generally, with that smell- the heater core has gone bad.
Your heater core behind the glove box has gone bad and needs to be replaced.
plugged evaporator drain tube or the heater core has gone bad