Rear heat/ac unit problems. Fan will only work on low but blows like it is on high. Blows warm air when on. On medium speed, the fan is on but does not blow through vent. On low, the fan does not work. I replaced the rear blower motor resistor with no change in function. Front heat/ac works fine.
SOURCE: 2003 suburban rear air works fine but won't blow heat.
This problem is caused by what is called the air temp control blend door, either the door is sticking in the duct or the electric actuator that moves it is defective, the actuator is the common part that fails, the bad news is the dash assembly must be removed to replace the parts.
SOURCE: The front AC on my 2005 Dodge Grand Caravan does not work at all.
probablt front blower motor or switch,can test blower motor by running auxiliary power and growd to front blower motor.Can test switch with DVOM.
SOURCE: 99' Escalade a/c front vent blows cool air an rear blow cold air.
i have the same problem, my rear a/c blows great very cold, the front a/c blows but it is not cold at all. I had the the a/c seviced and it was vacumed and correct ammount put back in, no problems, the front still blows but it is not cold, i have checked everything and the a/c guy said it might be the door not opening. any help? still not working
SOURCE: 2002 Chrysler Town and Country Rear Heat/Air only on High
most of the time the resistor is located downwind of the blower motor so it should be not to fao from the blower motor in the right rear of the van behind the quater trim panel which is the hvac unit is located
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