Inside the vehicle in the middle of the dash at the bottom...........
tear the whole car apart
where is the heater core at
where is the heater core at
How to install a heater core and uninstall the dash for 2002 pontiac grand prix se
You can replace the sheer core, on your 2004 Pontiac Grand Prix, by removing the water lines. Remove the four bolts that hold the heater core in place. Reverse the process to install the new heater core.
its located on the heater core
windshield leaking heater core or heater core hoses.
Right under the dash in the center.........
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.
To change the heater core on a 1977 Grand Prix, first, disconnect the battery and drain the coolant from the radiator. Remove the dashboard and the heater box cover to access the heater core, which is typically held in place by screws. Disconnect the heater hoses from the core, replace it with the new unit, and reassemble the dashboard and heater box. Finally, refill the coolant, reconnect the battery, and check for leaks.
Low coolant? Heater core airbound, resgtricted, or plugged? Bad thermostat? Heater control cable not adjusted properly?
where to locate heater fuses for a 2001 grand prix gt