AF_Vet Posted November 28, 2021 Report Share Posted November 28, 2021 I have a 2016 Edge Titanium AWD with the 3.5L engine. The car has 23,000 miles. There is a sound (like shaking marbles) that seems to be coming from the A/C system. There is no sound in the cabin, just when you stand outside the passenger side. The pitch changes when the A/C cycles on/off. Does anyone have an idea what his might be? My mechanic cannot seem to sort it out. I searched high and low trying to find a thread on the forum that deals with this, but to no avail. If one escaped me, please let me know. Quote Link to comment Share on other sites More sharing options...
enigma-2 Posted December 7, 2021 Report Share Posted December 7, 2021 (edited) From your description I would suspect the fan assembly. Fans run differently when a/c on. Check noise with a/c off. Then turn on a/c to MAX (forces fans to come on full). If sound changes, fan assy may be loose (or defective bearing). Edited December 7, 2021 by enigma-2 Quote Link to comment Share on other sites More sharing options...
AF_Vet Posted December 7, 2021 Author Report Share Posted December 7, 2021 (edited) Thanks, Enigma-2. Will check that out. Will post what happens. Edited December 7, 2021 by AF_Vet Quote Link to comment Share on other sites More sharing options...
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