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  1. 94 S10pu No Shrader valves in H/L AC connectors

    Heating and Air Conditioning
    This is my first post on any forum so I will just state my problem. I removed the caps from the AC connection valves and noticed the there were no shrader valves. How is this possible. How do you check for pressure or add freon using the manafold gage.

  2. Need Help Please

    S10 / S15
    Does anyone know that this part is. Looks like some type of actuator or something to the A/C. It's under the cowl panel. And if anyone knows where I can find a new one and what it is Thanks. 1992 gmc sonoma SLE

  3. A/C stuck on defrost

    S10 / Sonoma
    Hey hello s10 community. I need a little help. I have a 94 s10 and my a/c is stuck on defrost. When i turn the knob to switch to the vents, nothing happens. It just stays on defrost. The air is still cold and the heat works as well. Can someone give me some insight on this dilemma. Any advice...
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