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Re: 1988 k2500 defrost problem
Quote:
Originally Posted by tanman722001
I know this is a old post. But one link they was said a thumping noise. As i have. They say cuy to two wire why cut the wires. What to do after you cut them. Or is there a different fix.
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If you use the cut the wire suggestion, the actuator (motor) will no longer work. That will stop the noise because it no longer works.
That actuator is there to make the AC colder, when the recirculation door is closed. The recirculation door opens so the vehicle doors close easier, and it does not pop your ears when you shut the door. It is open more then it is closed. In the defrost mode it is needs to be open to bring dry air into the vehicle to keep the windows more clear.
If you have a truck and the AC does not work, you could unplug the motor so it does not make noise.
It is hard to get to so that is most likely why they said cut the wire.
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For those of you that are wondering why you are not getting replies to your thread:
Did you give the model, year, engine, fuel system type, and transmission information?
If it is modified from what came stock from the factory, let us know that too.
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