Probibly your blend door motor is stripped out. Remove motor and check door operation manually
No. That sounds like the temp blend door actuator is on its way out.
Don't know what the year, make or model is but it sounds like the temp blend door actuator gears are stripped.
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You have a faulty temperature blend door actuator located directly behind the radio. Remove the radio and remove the blend door actuator held to the heater case with three 8mm screws, and replace it.
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Probably a faulty blend door actuator. Remove the glove box to gain access to the actuator. Replace the actuator with a new one.
Sounds like the temp blend door actuator is at fault. The plastic gears within the actuator may be stripped. Replacement calls for removal of dash assembly.
The blend door actuator is located behind the glove box, and a sign of failure is an audible "clicking" sound when you adjust your climate controls. The most common issue with heat or A/C in the late model Ford windstar is a broken blend door. A broken blend door actuator is almost as common as a broken blend door itself. Typically, the fix requires disassembling the entire dash and replacing the whole plenum box, which can be a costly repair.This details the best DIY option on how to replace a broken blend door or actuator, accessing the plenum box by removing the glove box rather than the entire dash.
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