High pitched whistle from enviro control system
11-18-09, 09:25 AM
#1
Lead Lap
Thread Starter
High pitched whistle from enviro control system
I am experiencing a high pitched noise, almost like a whistle, coming from the environ control system in my '07. It is constant and doesn't fluctuate with the fan speed. It is definitely linked to the control system since when I turn the system off the noise stops. Anyone else ever experience this? At first I thought it was coming from the voices in my head, but my wife confirmed they weren't causing it 
11-18-09, 11:37 AM
#2
Lexus Champion
I am experiencing a high pitched noise, almost like a whistle, coming from the environ control system in my '07. It is constant and doesn't fluctuate with the fan speed. It is definitely linked to the control system since when I turn the system off the noise stops. Anyone else ever experience this? At first I thought it was coming from the voices in my head, but my wife confirmed they weren't causing it
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