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Re: AC was blowing and just stopped
Check blower motor fuse. If blown replace. Be aware. If fuse again blows or you find fuse to be in good condition it indicates a problem in blower circut/components. Do NOT replace with larger fuse to cover problem it will cause further damage. $$$ good luck
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If the air flow cannot be controlled from vent/defrost/floor you may have a blend door issue. This is an electric motor that operates a door in the heating system to control airflow. There are usually 3 motors controlling airflow direction,heat and recirculation. The Ac not blowing cold may also be another problem. If the AC is operational, the compressor will be engaged and the Ac low pressure line under the hood will bw cold. If this is all ok then a blend door issue should be suspected
Probably, to be sure make sure the compressor is coming on. With the engine running turn on the ac and watch the rpms, they should drop for a second if the compressor is coming on. If so you just need to recharge, the refrigerant is R-134a, which you can get from your local parts store along with the kit needed to charge it. The kit will come with detailed instructions and is a pretty easy job.
Check the system for vacuum leaks...All your controls under the dash are vacuum operated and may not work properly under power. Also, find out if the compressor is staying on when you don't have cooling. If there is an internal restriction it may be driving up the high side pressure and shutting the compressor down.Unless you have lots of specific a/c experience, I don't recommend you do much else.
This may be the AC compressor cycling switch is defective. It is located in the larger of the 2 AC lines coming from the compressor, it has a wire connector to it with 2-3 wires. To verify this is the issue jumper the connector with a small piece of wire and see if the compressor runs.