You have to completely remove the dash to get access to the heater core.
Instualation of a heater core on a 1999 Ford Explorer V6, how do you install the heater core.
with your hands
how do i replace a heater core in a 2001 Chevrolet blazer
how to replace a heater core in a 1997 Chevy blazer
I have a 1999 blazer. The heater core clogs up about once a year from the Dexcool. Try having it (heater core) flushed and use Prestone (Extended life) instead of Texaco.
heater core is in back of the glove box
To change the heater core on a 1999 Chevy 4-wheel drive, first remove the dashboard and drain the coolant. Unbolt the core from its mounts and remove the dash panel to be able to change the heater core.
Its a Durango.......not a Drango.
Underneath the dash on the passenger side. Open the hood and you will see the hoses entering the firewall where the core is located.
Unfortunately, there is no "easy" way to change the heater core. The entire dash board has to come out. then it's easy. Then you have to put the dash back in. Sorry :(
The 1999 Chevrolet Z 71 heater core can be accessed by removing the passenger side kick panel. Remove the heater core water hoses. Remove the heater core retaining bolts. Reverse the process to install the new heater core.