Question about 1990 Chevrolet K2500
First I would have the system checked for proper charge. If it is a little low this can be one symptom. Another is loss of voltage to the compressor from the control head. Another possible reason is the ac clutch coil may be getting hot and then opens. When this happens the compressor is off. Once it cools a little then it resumes.
Those are the first steps in action to address your problem.
If problem still remains, then follow the below Guideline :-
I would check your a/c drain tube for a blockage, at least partial. What you have described is a freeze up of the evaporator. If the condensation can't escape the heater box quick enough it will form ice on the evaporator and stop airflow over it. It will then have to thaw for a while before it will work again.
Hope i helped you.
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Posted on Sep 04, 2009
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Posted on Jan 02, 2017
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