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CONSTANT HEAT FROM DASH VENTS 850 1997

posted by  vesparally on  Sat Jul 14 15:56 CST 2018
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last visit: Tue Oct 21 18:11 CST 2014
[RELATED]

Working on a new to me '97 850 GLT with the electronic CCU. (198K miles)

After putting the temp. knobs to max cold, I am still getting some heat blowing from the vents. No warning lights on the ECC unit.
My last 850 had the manual climate control unit, which I believe had cables controlling the vent doors.
Where would y'all suggest looking at first to fix this.
Are these known to have bad servo/stepper motors, bad vent door seals ??

Thanks all.
Peter






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