If the cable slips at the valve, it will not fully close in the Auto position. That valve has a detent you can feel in the control switch when it closes fully. Do you feel a detent when you go to Auto?
If the cable slips at the valve, it will not fully close in the Auto position. That valve has a detent you can feel in the control switch when it closes fully. Do you feel a detent when you go to Auto?