Probably won't be fixable, it is electronic. Replacement is necessary. Dash assembly must be removed to gain access to the temp blend actuator.
Probably a faulty blend door actuator. Remove the glove box to gain access to the actuator. Replace the actuator with a new one.
where is the blend door machanism (acuator) located in my 1998 toyota camryalso how to fix
the blend door is operated by the blend door actuator motor which is electric.Fairly easy fix too...See "Related Questions" below for more
Check heatertreater.net for diagnostic information and a fix for the blend door/actuator problems endemic to this model.
The Blend Door actuator on the Ford Windstar can be found by removing the glovebox. 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. Linked here is a video from www.heatertreater.net demonstrating how to access components of the plenum box for repair without disassembling the entire dash. heatertreater.net/Windstar%20Video.html This details the best DIY option on how to replace a broken blend door or actuator.
The most common problem causing a 2000 Blazer to stay on heat is a problem with the blend door. Check the blend door and its control circuit to fix the problem.
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.
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.
The heater temp blend door actuator is located behind the dash assembly, attached to the top of the HVAC box. Unfortunately, the entire dash assembly must be removed to gain access.
The actuator is located on top of the heater box and can be accessed by fully opening the glove box and looking in the upper left hand corner. Generally, the actuator motor is not the problem, but a broken blend door. For information on how to diagnose and fix the problem, you can check at www.heatertreater.net. This is a very common problem and the fix is very expensive at the dealer. HeaterTreater is a cheap, easy alternative. cgallen
The most common problem with heat and a/c in the Ford Windstar is Blend Door failure. The Blend Door actuator on the Ford Windstar can be found by removing the glovebox. 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. Linked here is a video from www.heatertreater.net demonstrating how to access components of the plenum box for repair without disassembling the entire dash.
Before replacing the thermostat or any other component of the Windstar's HVAC system, be sure to check your blend door for functionality FIRST. 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.