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Clicking noice front front left side of bumper/wheel when AC on

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New Member
Oct 28, 2022

I get a clicking noice from the left front side of the bumper/wheel when running the A/C on my 2016(12) Model S90.

The A/C is working and blows cold air, but interestingly it seems like it having problem regulating high temperatures on auto, as it needs to be in max temp in order to supply hot air ?

The clicking noice is the same when airflow is at min or max. And does not sounds like leaves or anything in the fan. It sounds like it’s coming directly in front of the front left wheel, and as I know the ac compressor is cemetery in the middle?

Any ideas, relay? compressor bearing?