Forum Discussion
MountainAir05
Jul 13, 2019Explorer II
Pull a couple vent out, most slip out. Put a light in one facing the other vent that you pull out. Take a small mirror or cell with camera and put up in hole and try to look back to the the light. Do all the vents runs. If it the duct then usually it come loose near the a/c unit output into the duct. Might have to look inside the unit from the top also.
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