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Have an informative chat.
Had a question about the AC on a 2000 Mercury Villager. What would be the problem if the AC blows very cold air in the back and middle of the van but not in the front?
Please, in the future, post new questions as new topics. Here you are replying to a "sticky" instructional topic with your Villager question. Thanks.
The information I have is a little vague on the Villager A/C, but it appears on the schematic that the rear (auxiliary) A/C only has blower motor control, not temperature.
If that's the case, I'm not sure why you would be getting cold in the back and not in the front, but you should start by checking the operation of the mode door actuator up front (I'm assuming that the front blower motor is working). The actuator directs air through the evaporator and/or heater core to control temperature out the ducts.
It can get involved.