Question about 2003 Chevrolet Monte Carlo

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My air condition in my 2003 monte carlo, 3.8 is not blowing. It has to be manipilated and then it will start blowing or at least it did up until saturday. when it does, it blows cold. if lifted the hood and I can see that the hoses back there has some sort of ice on them, very cold to the touch. Autozone told me that there is a plastic part in there motor that turns but it's frozen, that I should tap the motor to break the ice and it should run fine but i couldn't find the motor. HELP, it is 102 to 105 degress here in OKC everyday and I don't do the heat very well, your help would be greatly appreciated.

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The pipes are so cold because the blower motor is not working .. that tells you your air conditioner is otherwise ok ... i have seen two problems that cause your symptoms .. one is the blower motor is simply bad (they dont last forever) .. it is likely enclosed somewhere near the passengers knees ... it usually comes out with several screws arranged in a (maybe 6 inch) circle (sometimes in the engine compartment) .. there is an electrical plug that can be unplugged also.. .. new blower motors are usually available at auto parts stores .. another thing that can cause the same trouble .. on some cars there is a resistor block .. this is a ceramic part about 2 or 3 inches long .. it has severral wire wound resisters moiunted such that different ones can be selected by the blower speed control .. if this resistor block opens up then the blower motor quits .. you can just look at it for signs of damage.. even without the blower motor running you should be able to get cooling if you select external air (not recirculate) and drive fast enough to keep air flowing through the vents .(maybe crack a back window) . when you are stopped you have to turn off the air conditioner to avoid the icing condition you mentioned .. ps. i loved it in okc for a year ..

Posted on Jul 13, 2009

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