Small update. I changed it from defrost to the upper vents and I’m getting a little heat. So maybe the core is still just a little gummed up. I’ll flush it more in the spring, for now I think I can live with it until it warms up
Flushed the cores and cleaned with clr. Came out like mud. It came out very slow and thick and after a few bucket fulls seemed ok. The clr had it running pretty much clear. I’m certain the core was so badly plugged all the water was just diverting to the rear core.
Still no heat. All the core...
Not really better on low, but one thing I noticed is if I leave the heat off then kick the fan on it’s warm for a little bit then cools off. You might be right about a restriction either at the valve or the heater core. I’ll pop the cable off and manually move the valve and see if it matters
hi
I've noticed recently I have no heat or defrost on the front system. the rear heat seems to work OK. It blows air just fine, but it's cold.
I have a 93 JDM which has the climate control setup like the LX450, kind of sort of automatic.
the heater control valve LOOKS ok externally, and the...