I ordered a STANT 90609 from rock auto. It fits but its not as thick. And does not come with foam.
It looks like APDI/PRO 9010177 would be a better choice as according to the dimensions listed.
https://www.rockauto.com/catalog/moreinfo.php?pk=3607236&cc=1279784&jnid=448&jpid=0
I happened to have 3/8 thick weather stripping that worked perfect.
Here is the cancer in my old heater core. I have back flushed and vinegar washed my cooling system about 3 times since i have owned my van (7 ish years). And I always use distilled water when filling the system.
The hot cold lever controls 2 cables. 1 is the valve in the coolant line under the van. The other is a damper that can by pass the air flowing over the heater core. If your not getting any heat this alone could be why.
Here is the damper door in the HOT position.
Here is the damper door in the COLD position.
H= Hot / C = Cold for the control lever. This stuff is never in the manual.
On the other end of the box is the vent select controls.
F = Floor
V = Upper vents
D = Defrost
There is a lever in the white ducting as well that connects to the vent select linkage. I cant remember what is does.
Install in reverse order.
I used a little bit of silicone to close the cap where the heater core tubes pass through the sheet metal.
I hope this takes some of the mystery out of the exploratory surgery.
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