A video response to my question and help sourcing a hard-to-find part? A warm welcome indeed!
That's exactly what I was asking about. I could see it from under the dash and had tried some light pressure to pry it off, but there was so much grease on the end that I didn't see the locking tab...
Thanks for posting your video--it’s very helpful!
Since you said in the video that you'd keep the old heater box around in case there were followup questions, I actually made an account on this site so I could ask you a question.
Can you check whether the white plastic linkage in the center...