So looks like I have to replace my heater core
I don't drop the box, or move the dash,..
I remove the glove box,, and unsnap the clips that holds the box halves together, take off the cover,, remove/replace the heater core.. put the cover back on and the hardeast part is putting ALL the snaps back on,, but quite do-able.. I seldom ever took a box out except for restorations..
Saves messing with the wires, cables, seized j-hook,, and torn foams..
Takes me about 40 mins to replace a core,, non A/C..
hope it helps