My 2011 Sorento EX makes a clicking noise for about 2-5 seconds when the A/C heat blower starts but only in Face or bi level mode
The noise sounds like a fan hitting a piece of plastic when the blower starts for a few seconds then all is fine. Some times no noise at all. I changed the blower and the filter no help. Noise is with heat or A/C
You probably have debris of some kind in the fan. It could be leaves or even a dead mouse! You will need to remove the fan so that you can clean the debris out.
The noise is not the fan I put in a brand new one and changed the cabin filter. The noise is only in the face level mode.
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