I just got done pulling the heater core and evaporator case. Wasn't that hard since I had the center console out to remove shifter when I pulled out engine/tranny. I also had passenger seat out because I will be replacing carpet. Heater core did have signs of a leak. The one bolt to get the evaporator case off is blocked by the inner wheel well. Instead of removing wheelwell, I drill a access hole right thru the inner wheelwell. I will just plug up hole with a rubber stopper. You don't have to remove that evaporator case to get heater core out, but I wanted to clean inside the case. Plus I'm debating about replacing the evaporator with a new one. A/C worked before but I must of had a blockage in the expansion valve (VIR valve?) and the A/C stopped pumping out cold air even though it still held a charge.
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73 Grand Am 455 Muncie M20 4 speed 3.23 gears
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