Have it checked out. YYou may have controler problems. Try the blower motor More than likely, you have a bad heater core.
How to change a heater core on a 1997 Pontiac grand am
Where is the the heater control valve??
where is the heater core at
I have antifreeze coming out of the bottom of my 1995 Pontiac grand am in the middle of the frame just below my front end is this from the heater core?
its located on the heater core
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The heater control valve on your Pontiac Grand Prix is located behind the kick plate, on the passenger side of the passenger compartment. The heater control valve is near the heater core box.
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Over cent hump
the heater core will need to be replaced with a new one. go buy a book and plan on spending a complete saterday on it.
did you check the heater core because my truck did that and that was what was wrong