Thread: C230 AC Blower singing
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Old 04-26-2008, 11:11 PM
TMAllison TMAllison is offline
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Join Date: Feb 2004
Location: Walnut Creek, CA & 1,150 miles S of Key West
Posts: 4,874
If the sounds are from the center vent it may be low of refrigerant.

Check and post the actual values from the CCU. Engine on and AC at 72f and on auto. Press and hold "Rest" for 5 secs, use auto buttons to toggle screens and post values 1-8.
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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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