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Hello,
I have a 1987 9000T. With no HEAT and it was 14 degrees in Tahoe last evening :-))
1) The heater control unit AKA digital thermo box in the cars working.
2) I opened the hood lifted the cover plate near the passenger windshield wiper. The heater vacuum diaphragm works and is trying the actuate the flapper door for the heat, but the flapper door seems jammed or the plastic open/shut plastic cam arm may be slipping in the pencil sized metal rod? I think this may be a common early 9000 problem?
3) My question is if I I simply break the plastic external cam off, then do a McGuiver job and add a small vise grip on the external rod and use the vise grip to open and close the flapper door, will this work do you think something is broken in the flapped heater door assembly and the vise grip on the external shaft would just spin the shaft and the flap is broken inside?
4) I wired a internal on/off switch long ago to the internal heater control box. So if I had full heat with the vise grip one direction and A/C the vise gripes the other that will suffice for now. I can simply have a Winter Summer mode and use my on/off switch to regulate. I don't care about having an incremental variable 81-67 temp adjustment.
5) Saab aficionados what's the simple best fix with out wearing a North Face Everest down climbing suit?
Thanks
Dave
posted by 198.95.226...
, Mon, 3 Dec 2007 06:11:38
, Sat, 1 Dec 2007 21:40:49
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