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1981 SC should have mentioned.
I just looked up servo motor, is that for the automatic heat? mine is manual. As for the linkage flappers, the fresh air defrost works well with the front fan but I'm not sure about the heater flappers. How do I check these? I think I'll get my shop vac and hopefully blow a little more air into the engine bay feeder tubes and see if it comes out strong at the windshield vents, I hope I don't blow the lines off.
I also went in back and disconnected the two heat feeder tubes and blocked one at a time and checked the airflow in the cabin, both sides are the same, crummy. It's unlikely that both side heater tubes and boxes are somehow messed up as I just put new tubes in and the boxes were fine, so I think those are okay. I also checked the head in the engine bay by disconnecting the feeder tubes again right at the blower and then blocking one and feeling how much air it can push, I don't know, it seems marginal at best, I doubt it has the head to push all the way in front. I bought the partheaven replacement fan because the last one bit the dust, has anyone tried this fan and had good airflow on it's own?
Phil
Last edited by ahh911; 03-11-2021 at 12:56 PM..
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